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Urban Regeneration

Mdpi AG 出版
2025/08/06 出版

Many aspects come into play when addressing urban regeneration issues, and various interventions are needed to ensure cities are resilient and prepared to respond to environmental, economic, and social challenges. Resilience is understood as a "cross-cutting condition" in the reorganisation of a city, as the ability to provide adaptive and timely responses to numerous challenges and adverse events. Land consumption, characterised by the expansion of artificial cover for residential, manufacturing, and infrastructure purposes, is a worrying trend globally. There is a need to monitor and formulate strategies to mitigate land consumption and safeguard ecosystem services. Only through joint actions will cities be prepared to address key land vulnerabilities exacerbated by climate change: drought and water scarcity, heat waves in urban areas, unconventional events, and hydrogeological risk. This Special Issue aims to identify contextual actions that can reduce land consumption, promote de-impermeabilization, and encourage re-naturalisation, focusing on enhancing ecosystem services in land use activities. Therefore, it focuses on understanding the contributions of ecosystem services, landscape restoration and green infrastructure for climate mitigation, and land use reduction in urban regeneration processes.

9 特價5544
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Science in Resistance

2025/08/06 出版

Scientists around the world rise up for climate and ecological justice In April 2022, hundreds of scientists rose in civil disobedience, breaking the law in more than twenty-eight countries. Risking arrest, they glued their hands to roads, blocked government and corporate buildings, and chained themselves to the White House fence. In Science in Resistance, Fernando Racimo provides a first-person account of the Scientist Rebellion, a growing international movement of researchers stepping beyond conventional roles to alert the public about the need for action in the climate emergency. Combining personal stories, interviews with frontline activists, and insights from research on direct action and academia, he explores the challenges scientists face when taking a stand for climate and social justice. Reflecting on his role as a scientist-activist, Racimo describes how he came to be involved in the movement. He also explores the many ways in which academic institutions today are complicit in climate breakdown--whether by accepting funding from and collaborating with the very industries driving it, or by discouraging scientists from speaking up. Drawing on lessons from political science, psychology, ecology, sociology, and the history of science, this inspiring book shows how we can all take a stand for climate justice, by collectively organizing for change.

9 特價853
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Science of Minerals in the Age of Jefferson

2025/08/05 出版

This is a print on demand edition of a hard to find publication.

9 特價3807
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World Regional Geography

Himmat,Singh  著
2025/08/05 出版

-The book covers all major regions of the world, including Europe, Russia, North America, Middle and South America, Sub-Saharan Africa, North Africa and Southwest Asia, South Asia, East and Southeast Asia, and Oceania.-Provides clear and concise explanations of the geographical features, cultural aspects, economic conditions, and political systems of each region, making it easy for students to understand the subject.-The book highlights the key geographic features of each region, such as mountains, rivers, deserts, and coastlines, and explains how these features have influenced the region's history, culture, and economy.-This is a comprehensive and informative textbook that provides students with a detailed understanding of the world's regions, their geographic features, cultures, economies, and politics.-This is primarily intended for undergraduate students studying geography or related disciplines such as environmental studies, international relations, or anthropology. It is also suitable for anyone who is interested in gaining a broad understanding of the world's regions, their physical and cultural features, and the economic and political systems that shape them.

9 特價2961
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Juntura Basin

2025/08/05 出版

This is a print on demand edition of an important, hard-to-find publication. Over 100 charts, tables and maps.

9 特價3807
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Money-Free

Evi,Maes  著
2025/08/05 出版

What if money was no longer the driving force behind your choices?Money-Free is a radical and intimate account of one woman's journey beyond the money system. Author Evi Maes invites you to explore what it means to let go of financial security, to surrender to life's deeper flow, and to rediscover connection with nature, community, and your true self.This is not a guidebook or a success story. It is a raw and honest testimony of living without money - through trial and error, scarcity and abundance, deep silence and unexpected freedom.Along the way, Money itself becomes a character, a shadow, and eventually, a companion with a new place in the story.Through personal reflections, sharp questions, and transformative insights, Money-Free asks: - What drives your decisions? - What holds true value? - And are you willing to live beyond what the system dictates?

9 特價855
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The History of Town Planning in a Dependent State

Springer 出版
2025/08/04 出版
9 特價7307
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Biological Pest Control in Agroecosystems

Mdpi AG 出版
2025/08/04 出版

This reprint addresses the impact of insect pests on agricultural crops and highlights biological control as an alternative to the use of insecticides. Insect pests cause damage to the production and quality of agricultural products, in addition to environmental and human health problems due to the intensive use of pesticides. However, there are natural enemies of these pests-such as predators, parasites and pathogens-that contribute to controlling insect populations, maintaining ecological balance in agroecosystems. This edition features 10 scientific articles that address topics related to the use of natural enemies, their behavior in relation to pests in agroecosystems, as well as their characteristics and effectiveness.

9 特價4250
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Urban Planning and Housing Market

Mdpi AG 出版
2025/08/04 出版

The interaction between urban planning and the housing market plays a key role in the context of progressing urbanization, urban population growth, and the rising demand for housing. The rational distribution of housing resources in cities (and functional urban areas) is one of the crucial priorities of urban planning. The relevant measures should align with the principles of sustainable development, as well as the rational management of space and social justice. Existing problems and social needs should be identified and resolved in order to improve the quality of life. The identification and evaluation of processes in the housing market-across the economic, social, and spatial dimensions-are essential elements of urban planning. The development of geographic information systems, along with quantitative and qualitative analytical methods, promotes an innovative approach to the evaluation of urban space, where housing resources that meet fundamental human needs play a special role. How can urban planning effectively cater to housing needs? Can urban planning improve housing affordability and housing supply? What remedial measures can be implemented to prevent spatial, social, and economic segregation in cities? How and where should new housing estates be planned? Can urban densification be reconciled with a high quality of life? This Special Issue will focus on the extent to which urban planning and management systems address the complex and dynamic trends in the housing market.

9 特價5069
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Seismic Hazard Analyses, Wave Propagation and Site Characterization

Springer 出版
2025/08/04 出版
9 特價13049
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Groundwater Pollution Control and Groundwater Management

Yunhui,Zhang  著
Mdpi AG 出版
2025/08/04 出版

Groundwater, a hidden reservoir beneath the Earth's surface, is a vital lifeline for billions around the world, supporting drinking water supplies and industrial and agricultural production. As a core component of the hydrological cycle, it interacts dynamically with ecosystems, soil, and surface water. The increasing demand for freshwater as a result of population growth and climate change has intensified the need to address groundwater vulnerability. Sources of pollution such as agricultural runoff, industrial wastewater, untreated wastewater, and chemical infiltration threaten water quality by introducing heavy metals, nutrients, and pathogens, endangering human health and ecological balance. These risks have a disproportionate influence on marginalized communities, exacerbating socio-economic disparities. Anthropogenic pressures like urbanization and over-extraction further hinder the sustainability of groundwater and therefore necessitate a comprehensive management framework. Mitigation methods require the adoption of practices to reduce pollution in agriculture and industry and the promotion of public participation in management. Interdisciplinary collaboration among researchers, policymakers, and communities is essential to advance remediation strategies and sustainable governance. This Reprint combines case studies, on-site data, and successful intervention measures to elucidate contamination pathways, evaluate management efficacy, and chart conservation roadmaps. Protecting the integrity of groundwater is crucial for granting fair access to resources and combating escalating challenges to the climate and human life.

9 特價12078
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The Unruly Wild

University 出版
2025/08/03 出版

What is considered a beneficial plant? In this era of global change, The Unruly Wild is a timely and relevant look at plant conservation and the evolving plant communities of the American Southwest. Challenging the traditional invasion biology paradigm, Juliet C. Stromberg invites readers to reconsider the "alien invader" narrative and explore the beneficial roles that newly arrived plants can play in our ecosystems. Drawing from her extensive experience as a plant and restoration ecologist, Stromberg introduces a cast of plant characters that includes longtimers as well as newcomers. Through compelling stories and scientific insights, Stromberg explains why some plants are thriving while others are in decline. Stromberg's engaging narrative, enriched with personal anecdotes and detailed vignettes, encourages readers to pause, reflect, and deepen their relationship with the plant world. By promoting a more nuanced and respectful dialogue about our natural surroundings, this book offers valuable insights into biodiversity, climate resilience, and ecosystem restoration. This book is a call to embrace a more inclusive and adaptive approach to wild plants.

9 特價819
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Saving Mother Ocean

Moon Books 出版
2025/08/01 出版

'Steve Andrews understands that the key to defending and protecting life and diversity in the Ocean is to use what you are good at to find solutions to seemingly impossible problems. The strength of an eco-system depends upon diversity and interdependence. Therefore a successful movement is defined by diversity and interdependence within it. By harnessing our passions to the virtues of courage and imagination we can find impossible solutions to seemingly impossible problems. Saving Mother Ocean is inspiring, informative and a call to action by all of us to save the Mother to all of us - the Ocean.' Captain Paul Watson, founder of the Sea Shepherd Conservation Society We've all seen the news of dead and dying whales, and the alarming amounts of plastic pollution washing up on beaches or floating on the tides. The oceans are in very great danger for many reasons, and it is not just plastic waste, which is bad enough. Overfishing, acidification, coral bleaching, nuclear waste, seabed mining, military testing, and climate change, are taking a very heavy toll on marine creatures of all types, from tiny plankton to the massive whales. The eponymous Dead Zones are aptly named. Many marine creatures are in danger of extinction. Life on this planet depends on healthy oceans. We depend on healthy oceans. This book takes a look at the threats to marine life, and what is being done to save the seas. It is a call to action to save Mother Ocean. The author explains how he became personally motivated to do what he could. As a singer and songwriter he wrote songs and came up with the idea for Ocean Aid concerts. Now he has written the book you are holding. He hopes to inspire you to think about what you can do. We all need to help save the seas.

9 特價640
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Valuation of Residential and Commercial Building

2025/08/01 出版
9 特價3213
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Sustainable Aquaculture Evolution

2025/08/01 出版
9 特價2295
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Geology and Gold Mineralization in Ghana

Springer 出版
2025/08/01 出版
9 特價9395
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The Minerals of Colorado and Area Locations

2025/07/31 出版

The Colorado State Publications Library (CoSPL) was established by the General Assembly in 1980 as a part of the Colorado State Library and the Colorado Department of Education. The mission of the library is to provide Colorado residents with permanent public access to information produced by state government. The state publications are valuable sources of information published by Colorado state agencies that include annual reports, budgets, planning reports, consumer information, legislative reports and directories. The publications cover a wide variety of topics including health, business, education, crime, agriculture, mining, employment, taxes, water quality, wildlife and the environment. This publication is one in this collection.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價1236
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Climate Change and the EU Emissions Trading Scheme (ETS)

Larry,Parker  著
2025/07/31 出版

The European Union's (EU) Emissions Trading Scheme (ETS) is a cornerstone of the EU's efforts to meet its obligation under the Kyoto Protocol. It covers more than 10,000 energy intensive facilities across the 27 EU Member countries; covered entities emit about 45% of the EU's carbon dioxide emissions. A "Phase 1" trading period began January 1, 2005. A second, Phase 2, trading period began in 2008, covering the period of the Kyoto Protocol. A Phase 3 will begin in 2013 designed to reduce emissions by 21% from 2005 levels.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價1236
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Best Practices in Natural Hazards Planning and Mitigation

2025/07/31 出版

The Colorado State Publications Library (CoSPL) was established by the General Assembly in 1980 as a part of the Colorado State Library and the Colorado Department of Education. The mission of the library is to provide Colorado residents with permanent public access to information produced by state government. The state publications are valuable sources of information published by Colorado state agencies that include annual reports, budgets, planning reports, consumer information, legislative reports and directories. The publications cover a wide variety of topics including health, business, education, crime, agriculture, mining, employment, taxes, water quality, wildlife and the environment. This publication is one in this collection.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價731
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Feasibility of Snowpack Enhancement From Colorado Winter Mountain Clouds

2025/07/31 出版

The Colorado State Publications Library (CoSPL) was established by the General Assembly in 1980 as a part of the Colorado State Library and the Colorado Department of Education. The mission of the library is to provide Colorado residents with permanent public access to information produced by state government. The state publications are valuable sources of information published by Colorado state agencies that include annual reports, budgets, planning reports, consumer information, legislative reports and directories. The publications cover a wide variety of topics including health, business, education, crime, agriculture, mining, employment, taxes, water quality, wildlife and the environment. This publication is one in this collection.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價731
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Estimating Releases and Waste Treatment Efficiencies for the Toxic Chemical Release Inventory Form

2025/07/31 出版

The U.S. Environmental Protection Agency (EPA) was introduced on December 2, 1970 by President Richard Nixon. The agency is charged with protecting human health and the environment, by writing and enforcing regulations based on laws passed by Congress. The EPA's struggle to protect health and the environment is seen through each of its official publications. These publications outline new policies, detail problems with enforcing laws, document the need for new legislation, and describe new tactics to use to solve these issues. This collection of publications ranges from historic documents to reports released in the new millennium, and features works like: Bicycle for a Better Environment, Health Effects of Increasing Sulfur Oxides Emissions Draft, and Women and Environmental Health.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價1512
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Best Practices in Natural Hazards Planning and Mitigation

2025/07/31 出版

The Colorado State Publications Library (CoSPL) was established by the General Assembly in 1980 as a part of the Colorado State Library and the Colorado Department of Education. The mission of the library is to provide Colorado residents with permanent public access to information produced by state government. The state publications are valuable sources of information published by Colorado state agencies that include annual reports, budgets, planning reports, consumer information, legislative reports and directories. The publications cover a wide variety of topics including health, business, education, crime, agriculture, mining, employment, taxes, water quality, wildlife and the environment. This publication is one in this collection.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價1374
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Protection of Native Yellowstone Cutthroat Trout in Yellowstone Lake

2025/07/31 出版

The National Park Service (NPS) was formed on August 25, 1916, and is the U.S. federal agency that manages all national parks, many national monuments, and other conservation and historical properties with various title designations. The NPS publishes results from different Water Resource Technical studies discussing activity and issues going on in the different Regions of the United States. This is one of those reports.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價639
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Agricultural Ecosystem-Based Solutions

2025/07/31 出版

Agricultural ecosystems are facing mounting pressures from climate change, biodiversity loss, and unsustainable land use. Agricultural Ecosystem-Based Solutions provides professionals with practical, science-based insights into how ecosystem-based approaches can transform farming systems to be more resilient, regenerative, and sustainable. This book addresses the urgent need to align food production with ecosystem restoration, soil health, and water conservation.Understand how regenerative agriculture enhances soil health and supports long-term food securityExplore the role of biodiversity in agricultural systems and its connection to ecosystem resilienceLearn how climate change adaptation can be integrated into everyday farm managementGain insight into water conservation practices that align with sustainable agriculture goalsSee how ecosystem services like pollination, nutrient cycling, and pest control support productive farmingFamiliarize yourself with sustainable farming practices that reduce input dependence and environmental degradationDiscover how agroecology principles connect agricultural productivity with ecosystem restorationUnderstand the barriers to adopting ecosystem-based solutions and how to overcome them in policy and practiceAgricultural Ecosystem-Based Solutions equips readers with the foundational knowledge to align agriculture with climate change adaptation, biodiversity conservation, and sustainable farming. This book is essential for professionals seeking to support long-term environmental resilience and advance nature-based strategies in food systems.

9 特價846
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Status and Understanding of Groundwater Quality in the Monterey Bay and Salinas Valley Basins, 2005-California GAMA Priority Basin Project

2025/07/31 出版

Groundwater quality in the approximately 1,000 square mile (2,590 km2) Monterey Bay and Salinas Valley Basins (MS) study unit was investigated as part of the Priority Basin Project of the Groundwater Ambient Monitoring and Assessment (GAMA) Program. The study unit is located in central California in Monterey, Santa Cruz, and San Luis Obispo Counties. The GAMA Priority Basin Project is being conducted by the California State Water Resources Control Board in collaboration with the U.S. Geological Survey (USGS) and the Lawrence Livermore National Laboratory.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價1374
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Modeling Groundwater Flow and Contaminant Transport in Fractured Aquifers

2025/07/31 出版

The hybrid discrete fracture network/equivalent porous medium (DFN/EPM) model was selected for analysis and application to simulate a contaminated site in this study. The DFN/EPM was selected because it appeared to have the potential to aid decision making by remedial project managers at contaminated DoD fractured aquifer sites. This model can use data that are typically available at a site while incorporating the important processes relevant to describing contaminant transport in a fractured medium. The model was applied to simulate the operation of a pump-and-treat remedial action at a trichloroethenecontaminated fractured aquifer at Pease AFB.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價823
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Paleocene Pantodonta

2025/07/31 出版

This is a print on demand edition of an important, hard-to-find publication. 18 illustrations.

9 特價3807
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California Drought

Betsy,Cody  著
2025/07/31 出版

California experienced severe water supply shortages in 2009, which led to economic disruption across the state, including concentrated losses in agricultural areas in the western portion of the Central Valley-areas already experiencing declines in the housing industry and the economic downturn in general. At the same time, several fish species whose habitat lie at the heart of California's water supply system and throughout its northern rivers are in decline and some face the possibility of extinction. This situation too has had economic implications, resulting in job and income losses in northern California. The short-term issue for Congress is how to evaluate demands for increasing water supplies that may help some users but may jeopardize the continued existence of several fish species. A longer-term issue for Congress is how to evaluate management alternatives that will protect species, but also help water users and economies that depend on reliable water supplies and healthy ecosystems.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價1236
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The Principal Rare Earth Elements Deposits of the United States-A Summary of Domestic Deposits and a Global Perspective

2025/07/31 出版

The rare earth elements (REE) are fifteen elements with atomic numbers 57 through 71, from lanthanum to lutetium ("lanthanides"), plus yttrium (39), which is chemically similar to the lanthanide elements and thus typically included with the rare earth elements. Although industrial demand for these elements is relatively small in tonnage terms, they are essential for a diverse and expanding array of high-technology applications. REE-containing magnets, metal alloys for batteries and light-weight structures, and phosphors are essential for many current and emerging alternative energy technologies, such as electric vehicles, energy-efficient lighting, and wind power. REE are also critical for a number of key defense systems and other advanced materials.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價1420
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Handbook of Wetland Plants of the Rocky Mountain Region

2025/07/31 出版

The U.S. Environmental Protection Agency (EPA) was introduced on December 2, 1970 by President Richard Nixon. The agency is charged with protecting human health and the environment, by writing and enforcing regulations based on laws passed by Congress. The EPA's struggle to protect health and the environment is seen through each of its official publications. These publications outline new policies, detail problems with enforcing laws, document the need for new legislation, and describe new tactics to use to solve these issues. This collection of publications ranges from historic documents to reports released in the new millennium, and features works like: Bicycle for a Better Environment, Health Effects of Increasing Sulfur Oxides Emissions Draft, and Women and Environmental Health.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

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A Practical Primer on Geostatistics

2025/07/31 出版

THE CHALLENGE Most geological phenomena are extraordinarily complex in their interrelationships and vast in their geographical extension. Ordinarily, engineers and geoscientists are faced with corporate or scientific requirements to properly prepare geological models with measurements involving a small fraction of the entire area or volume of interest. Exact description of a system such as an oil reservoir is neither feasible nor economically possible. The results are necessarily uncertain. Note that the uncertainty is not an intrinsic property of the systems; it is the result of incomplete knowledge by the observer. THE AIM OF GEOSTATISTICS The main objective of geostatistics is the characterization of spatial systems that are incompletely known, systems that are common in geology. A key difference from classical statistics is that geostatistics uses the sampling location of every measurement. Unless the measurements show spatial correlation, the application of geostatistics is pointless. Ordinarily the need for additional knowledge goes beyond a few points, which explains the display of results graphically as fishnet plots, block diagrams, and maps. GEOSTATISTICAL METHODS Geostatistics is a collection of numerical techniques for the characterization of spatial attributes using primarily two tools: probabilistic models, which are used for spatial data in a manner similar to the way in which time-series analysis characterizes temporal data, or pattern recognition techniques. The probabilistic models are used as a way to handle uncertainty in results away from sampling locations, making a radical departure from alternative approaches like inverse distance estimation methods. DIFFERENCES WITH TIME SERIES On dealing with time-series analysis, users frequently concentrate their attention on extrapolations for making forecasts. Although users of geostatistics may be interested in extrapolation, the methods work at their best interpolating. This simple difference has sigThis work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價1098
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California Drought

Betsy,Cody  著
2025/07/31 出版

California experienced severe water supply shortages in 2009, which led to economic disruption across the state, including concentrated losses in agricultural areas in the western portion of the Central Valley-areas already experiencing declines in the housing industry and the economic downturn in general. At the same time, several fish species whose habitat lie at the heart of California's water supply system and throughout its northern rivers are in decline and some face the possibility of extinction. This situation too has had economic implications, resulting in job and income losses in northern California. The short-term issue for Congress is how to evaluate demands for increasing water supplies that may help some users but may jeopardize the continued existence of several fish species. A longer-term issue for Congress is how to evaluate management alternatives that will protect species, but also help water users and economies that depend on reliable water supplies and healthy ecosystems.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價639
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Guide to Wildlife Viewing and Photography Blinds

2025/07/31 出版

The Colorado State Publications Library (CoSPL) was established by the General Assembly in 1980 as a part of the Colorado State Library and the Colorado Department of Education. The mission of the library is to provide Colorado residents with permanent public access to information produced by state government. The state publications are valuable sources of information published by Colorado state agencies that include annual reports, budgets, planning reports, consumer information, legislative reports and directories. The publications cover a wide variety of topics including health, business, education, crime, agriculture, mining, employment, taxes, water quality, wildlife and the environment. This publication is one in this collection.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

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Indonesia

2025/07/31 出版

In recognition of growing United States interest in environmental diplomacy and security as a part of U.S. foreign policy and the fact that Indonesia holds much of the world's natural resources, the purpose of this paper is to show how Indonesia's environmental problems are causing instability in the region and could lead to increased U.S. involvement in the region. The paper assesses Indonesia's environmental situation, its capabilities to handle environmental issues, and then explores environmental security issues that could cause internal and international conflict. The methodology used in researching this paper was limited to a literature review of material published primarily since 1994, on-line Internet resources, current newspapers, and radio and television news reports. The research found that the major environmental problems center on the effects of rapid urbanization, deforestation, and both marine and land pollution. While there is a well-established environmental infrastructure in place, there are still examples of both internal and international conflicts due to Indonesia's environmental problems. A 1997 forest fire in Indonesia was considered a planetary disaster and caused smoke and haze that lasted for months across Southeast Asia. The long-term implications include health problems for more than 20 million people and that threat of future legal action by neighboring countries. This environmentally-induced instability could lead to increased U.S. involvement in the region to protect U.S. national security interests.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

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Postglacial Forest Succession, Climate, and Chronology in the Pacific Northwest

Henry,Hansen  著
2025/07/31 出版

This is a print on demand edition of an important, hard-to-find publication. Over 100 illustrations.

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Impacts of Climate Change on Landscapes of the Eastern Sierra Nevada and Western Great Basin

2025/07/31 出版

The United States Geological Survey (USGS) is a scientific organization created in 1879, and is part of the U.S. government. Their scientists explore our environment and ecosystems, to determine the natural dangers we are facing. The agency has over 10,000 employees that collect, monitor, and analyze data so that they have a better understanding of our problems. The USGS is dedicated to provide reliable, investigated information to enhance and protect our quality of life. This is one of their circulars.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

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Molybdenum Deposits of Colorado With General Notes on the Molybdenum Industry

2025/07/31 出版

The Colorado State Publications Library (CoSPL) was established by the General Assembly in 1980 as a part of the Colorado State Library and the Colorado Department of Education. The mission of the library is to provide Colorado residents with permanent public access to information produced by state government. The state publications are valuable sources of information published by Colorado state agencies that include annual reports, budgets, planning reports, consumer information, legislative reports and directories. The publications cover a wide variety of topics including health, business, education, crime, agriculture, mining, employment, taxes, water quality, wildlife and the environment. This publication is one in this collection.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價1420
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Manual of Mineralogy

2025/07/31 出版

Dive into the comprehensive world of minerals with James Nicol's "Manual of Mineralogy." This meticulously detailed volume, subtitled "Or, The Natural History of the Mineral Kingdom," offers readers a robust introduction to the science of mineralogy, exploring the composition, structure, and properties of a wide array of mineral species.Nicol's manual provides in-depth descriptions enriched with the most recent discoveries and chemical analyses available at the time of its publication. Students and enthusiasts alike will find this book an invaluable resource for understanding the natural history and characteristics of the mineral kingdom. Explore the scientific foundations of mineral identification and classification within this seminal work.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價1420
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Environmental Crime

2025/07/31 出版

The U.S. Environmental Protection Agency (EPA) was introduced on December 2, 1970 by President Richard Nixon. The agency is charged with protecting human health and the environment, by writing and enforcing regulations based on laws passed by Congress. The EPA's struggle to protect health and the environment is seen through each of its official publications. These publications outline new policies, detail problems with enforcing laws, document the need for new legislation, and describe new tactics to use to solve these issues. This collection of publications ranges from historic documents to reports released in the new millennium, and features works like: Bicycle for a Better Environment, Health Effects of Increasing Sulfur Oxides Emissions Draft, and Women and Environmental Health.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價1374
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Profile Surveys in Willamette River Basin, Oregon

2025/07/31 出版

Profile Surveys in Willamette River Basin, Oregon, compiled in 1914, presents a detailed record of hydrological surveys conducted in the Willamette River Basin. Authored by R.B. Marshall and the state of Oregon, this document offers invaluable insights into the water resources and topography of the region during the early 20th century.The surveys provide essential data for understanding river profiles, water flow, and land elevation, crucial for irrigation, navigation, and flood management. This historical record is a significant resource for researchers, environmental scientists, and anyone interested in the historical development and management of water resources in the Pacific Northwest.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

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Chaparral

2025/07/31 出版

"Chaparral: Studies in the Dwarf Forests, or Elfin-wood, of Southern California" by Fred G. Plummer offers a detailed look into the unique ecological system of the chaparral. This volume provides insights into the flora, fauna, and environmental conditions that define these dwarf forests. Plummer's meticulous research sheds light on the intricate relationships within this ecosystem, making it a valuable resource for naturalists and environmental scientists. Originally published in 1911, this study remains relevant for understanding the ecological dynamics of Southern California's distinctive landscapes. The book examines the botanical characteristics of the chaparral, its resilience to environmental stressors, and its role in the broader natural history of the region. "Chaparral" serves as both a historical document and a continuing point of reference for ecological studies.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價1374
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Geological Survey of Alabama Bulletin 102

2025/07/31 出版

The Alabama Department of Archives and History was founded in 1901 and became a model for manyother states. The first Director, Dr. Thomas Owen, argued that the state had a responsibility to preservethe basic records of its people and its history. As the first of only five Directors, Dr. Owen served inhis position for almost 20 years and built the Alabama Archives into one of the most important culturalagencies in the nation. In the past century, the Alabama Department of Archives and History hasexpanded greatly from its humble beginning in Alabama's Senate to its current residence built in 1940. The Alabama Department of Archives and History's state publications collection includes annualreports, monographs and periodicals from the Governor's office and various state agencies includingthe Department of Agriculture, Office of the Attorney General, Department of Education and more.This document is one in this collection.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價823
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Geological Survey of Alabama Bulletin No. 40

2025/07/31 出版

The Alabama Department of Archives and History was founded in 1901 and became a model for manyother states. The first Director, Dr. Thomas Owen, argued that the state had a responsibility to preservethe basic records of its people and its history. As the first of only five Directors, Dr. Owen served inhis position for almost 20 years and built the Alabama Archives into one of the most important culturalagencies in the nation. In the past century, the Alabama Department of Archives and History hasexpanded greatly from its humble beginning in Alabama's Senate to its current residence built in 1940. The Alabama Department of Archives and History's state publications collection includes annualreports, monographs and periodicals from the Governor's office and various state agencies includingthe Department of Agriculture, Office of the Attorney General, Department of Education and more.This document is one in this collection.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價731
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Forecasting Wet Microbursts Associated With Summertime Airmass Thunderstorms Over the Southeastern United States

2025/07/31 出版

This thesis seeks to develop a technique to forecast wet microbursts using currently operational technology, including upper air soundings and WSR-88D products. The technique developed is comprised of three distinct phases. First, recognize the potential threat for given environmental conditions. Second, predict the maximum outflow velocities from microbursts using predictive equations. Third, highlight key NEXRAD radar products that demonstrate a strong potential to serve as precursors to microburst formation. Using the technique developed, warning leadtimes on the order of 10 to 20 minutes appear to be reasonable in operational applications.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價823
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Geology and Nonfuel Mineral Deposits of Greenland, Europe, Russia, and Northern Central Asia

2025/07/31 出版

This report summarizes the geology and nonfuel mineral resources of Greenland, Europe, Russia, and Northern Central Asia and is a preliminary part of a major U.S. Geological Survey study called the Global Mineral Resource Assessment Project. This report is one of a series of regional reports covering the world and provides basic data on the identified resources and geologic setting, together with a brief appraisal of the potential for undiscovered mineral resources. The data in the regional report are derived from published information. An important source of data on production statistics, economic factors that affect the mineral industries, and historical information, is available in U.S. Geological Survey (USGS) publications Minerals Yearbook and the annual Mineral Commodity Summaries (available at http: //minerals.usgs.gov/minerals). In terms of production of metallic commodities and industrial minerals in recent years (U.S. Geological Survey, 2003, 2004, 2005), Greenland, the countries comprising Europe and Northern Central Asia, and Russia were major or moderate producers of aluminum, antimony, arsenic, asbestos, barite, bentonite boron, chromium, cobalt, copper, diamond, diatomite, feldspar, fluorspar, gemstones, gold, graphite, gypsum indium, iron ore, iron ore, kaolin, kyanite, lead, lithium, magnesium, mercury, mica (sheet), molybdenum, nickel, perlite, phosphate, platinum-group metals, potash, pumice, rare-earth metals, salt, silicon, silver, sulfur, tin, titanium, and zinc. A recurrent theme of this report is that mineral resources are associated with large-scale geologic processes that reoccur in time and space. The geologic distribution of mineral resources is intimately related to the geologic history of host rocks and structures. Increased knowledge about the geologic fabric around deposits and the processes that control the regional and local distribution of mineral resources will lead to improvement in predicting the location of new deposits.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價869
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Contents of a Rock Retreat in Southeastern Pennsylvania

S S,Haldeman  著
2025/07/31 出版

From the first publications of the Transaction of the American Philosophical society, Vol. 1-20, 1818-1902

9 特價4018
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Realms of Gold

2025/07/31 出版

This volume is a catalog of the rich & extensive collection of maps in the Library of the American Philosophical Soc. (APS) in Philadelphia. it contains information on some 1,750 printed maps, over 1,000 manuscript maps, 136 atlases, two globes, & one model. Murphy Smith began this project in 1985 shortly after he retired from his long career as Associate Librarian of the Society, when Librarian Edward C. Carter II named him Andrew W. Mellon Sr. Research Fellow. Smith came to be recognized as one of the most knowledgeable & helpful historical RCRA librarians in the country. Illustrations.

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