Download or read book Historical Changes in Soil Erosion 1930 1992 written by and published by . This book was released on 1996 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book RCA III a Historical Study of Soil Conservation in the Driftless Area written by and published by . This book was released on 1995 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Historical Agriculture and Soil Erosion in the Upper Mississippi Valley Hill Country written by Stanley W. Trimble and published by CRC Press. This book was released on 2016-04-19 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This thought-provoking book demonstrates how processes of landscape transformation, usually illustrated only in simplified or idealized form, play out over time in real, complex landscapes. Trimble illustrates how a simple landscape disturbance, generated in this case by agriculture, can spread an astonishing variety of altered hydrologic and sedi
Download or read book Something New Under the Sun written by J. R. McNeill and published by W. W. Norton & Company. This book was released on 2001-04-17 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: Traces the history of environmental change around the world in the twentieth century, its human causes, and consequences.
Download or read book Proceedings of the Seventh Federal Interagency Sedimentation Conference March 25 29 2001 Reno Nevada USA written by and published by . This book was released on 2001 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Treatise on Geomorphology written by and published by Academic Press. This book was released on 2013-02-27 with total page 6392 pages. Available in PDF, EPUB and Kindle. Book excerpt: The changing focus and approach of geomorphic research suggests that the time is opportune for a summary of the state of discipline. The number of peer-reviewed papers published in geomorphic journals has grown steadily for more than two decades and, more importantly, the diversity of authors with respect to geographic location and disciplinary background (geography, geology, ecology, civil engineering, computer science, geographic information science, and others) has expanded dramatically. As more good minds are drawn to geomorphology, and the breadth of the peer-reviewed literature grows, an effective summary of contemporary geomorphic knowledge becomes increasingly difficult. The fourteen volumes of this Treatise on Geomorphology will provide an important reference for users from undergraduate students looking for term paper topics, to graduate students starting a literature review for their thesis work, and professionals seeking a concise summary of a particular topic. Information on the historical development of diverse topics within geomorphology provides context for ongoing research; discussion of research strategies, equipment, and field methods, laboratory experiments, and numerical simulations reflect the multiple approaches to understanding Earth’s surfaces; and summaries of outstanding research questions highlight future challenges and suggest productive new avenues for research. Our future ability to adapt to geomorphic changes in the critical zone very much hinges upon how well landform scientists comprehend the dynamics of Earth’s diverse surfaces. This Treatise on Geomorphology provides a useful synthesis of the state of the discipline, as well as highlighting productive research directions, that Educators and students/researchers will find useful. Geomorphology has advanced greatly in the last 10 years to become a very interdisciplinary field. Undergraduate students looking for term paper topics, to graduate students starting a literature review for their thesis work, and professionals seeking a concise summary of a particular topic will find the answers they need in this broad reference work which has been designed and written to accommodate their diverse backgrounds and levels of understanding Editor-in-Chief, Prof. J. F. Shroder of the University of Nebraska at Omaha, is past president of the QG&G section of the Geological Society of America and present Trustee of the GSA Foundation, while being well respected in the geomorphology research community and having won numerous awards in the field. A host of noted international geomorphologists have contributed state-of-the-art chapters to the work. Readers can be guaranteed that every chapter in this extensive work has been critically reviewed for consistency and accuracy by the World expert Volume Editors and by the Editor-in-Chief himself No other reference work exists in the area of Geomorphology that offers the breadth and depth of information contained in this 14-volume masterpiece. From the foundations and history of geomorphology through to geomorphological innovations and computer modelling, and the past and future states of landform science, no "stone" has been left unturned!
Download or read book Management and Restoration of Fluvial Systems with Broad Historical Changes and Human Impacts written by L. Allan James and published by Geological Society of America. This book was released on 2009-01-01 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Sediment Response to Large scale Environmental Change written by Richard P. R. Pannell and published by . This book was released on 1999 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: Knowledge about sediment yields is important in developing management strategies for fluvial systems. The effect of sediment must be considered in the design of river structures and in determining water quality for biotic systems. Changes in sediment transport regimes are difficult to understand or predict due to the complexity of factors that influence sediment flux in fluvial systems. Relationships about sediment source, sinks and transport have long been studied and many of these relationships have been quantitatively and qualitatively defined. However, due to the scarcity of long-term sediment records it is often difficult to test these relationships. This study examines one of these long-term suspended sediment records for the Mississippi River at East Dubuque, Illinois from 1943 to 1996. Daily suspended sediment concentrations from the United States Army Corps of Engineers station at East Dubuque were analyzed for the spring and summer months (March - August). Sediment concentrations were analyzed in terms of average concentration during different hydrologic events at the large basin scale. These events included the spring snowmelt runoff (low and high magnitude) and different intensity storm runoff (low, moderate and high). Additionally, peak sediment concentrations during storm runoff were also analyzed. The general trend for all of these analyses suggests a significant decrease in sediment concentrations from the 1940s to the 1990s. The strongest trends are found in high magnitude snowmelt runoff and in high and moderate magnitude storm runoff. Peak concentrations in storm runoff have decreased from about 1000 ppm in the l940s to about 200 ppm in the 1990s. Average concentrations have likewise decreased from about 200 ppm in the 1940s to 100 ppm in the 1990s. Changes in land management practices are identified as being the primary environmental factor influencing sediment concentrations.
Download or read book Soil and Water Conservation Advances in the United States written by Teddy Michael Zobeck and published by ASA-CSSA-SSSA. This book was released on 2010 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: Have agricultural management efforts begun in the desperation of the Dust Bowl brought us to where we need to be tomorrow? Questions about the environmental footprint of farming make this book required reading. Approximately 62% of the total U.S. land area is used for agriculture, and this land also provides critical ecosystem functions. Authors from each region of the continental United States describe the progress of soil and water conservation to date and visualize how agricultural production practices must change in future years to address the newest challenges.
Download or read book Large Rivers written by Avijit Gupta and published by John Wiley & Sons. This book was released on 2022-05-02 with total page 1044 pages. Available in PDF, EPUB and Kindle. Book excerpt: An updated treatment of management and geomorphology of large rivers around the world The newly revised Second Edition of Large Rivers: Geomorphology and Management delivers a thoroughly updated exploration of the form and function of major rivers. The book brings together a set of papers on the large rivers of the world, offering readers an insightful examination of a demanding subject. The new Second Edition of the book includes fully updated and revised chapters, as well as two entirely new chapters on the Ayeyarwady and the Arctic rivers. This fascinating volume describes the environmental requirements for creating and maintaining a major river system, case studies on over a dozen large rivers from different continents in a variety of physical environments, and the measurement and management of large rivers. Unmatched in scope, Large Rivers sheds light on a subject lacking in comprehensive study. Readers will benefit from the inclusion of: A thorough introduction to the geology of large river systems, hydrology and discharge, transcontinental moving and storage of sediment, and the greatest floods and largest rivers An exploration of the classification, architecture, and evolution of large-river deltas Discussions of sedimentology and stratigraphy of large river deposits, including their recognition in the ancient record and the distinction from incised valley fills An examination of the effects of tectonism, climate change, and sea-level change on the form and behavior of the modern Amazon river and its floodplain Measurement and management of large rivers The effect of climatic change on large rivers Perfect for postgraduate students and researchers in fluvial geomorphology, hydrology, sedimentary geology, and river management, Large Rivers: Geomorphology and Management will also earn a place in the libraries of engineers and environmental consultants in the private and public sectors working on major rivers around the world.
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1992 with total page 844 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book American Agriculture in the Twentieth Century written by Bruce L. Gardner and published by Harvard University Press. This book was released on 2006-03-31 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: American agriculture in the twentieth century has given the world one of its great success stories, a paradigm of productivity and plenty. Yet the story has its dark side, from the plight of the Okies in the 1930s to the farm crisis of the 1980s to today's concerns about low crop prices and the impact of biotechnology. Looking at U.S. farming over the past century, Bruce Gardner searches out explanations for both the remarkable progress and the persistent social problems that have marked the history of American agriculture. Gardner documents both the economic difficulties that have confronted farmers and the technological and economic transformations that have lifted them from relative poverty to economic parity with the nonfarm population. He provides a detailed analysis of the causes of these trends, with emphasis on the role of government action. He reviews how commodity support programs, driven by interest-group politics, have spent hundreds of billions of dollars to little purpose. Nonetheless, Gardner concludes that by reconciling competing economic interests while fostering productivity growth and economic integration of the farm and nonfarm economies, the overall twentieth-century role of government in American agriculture is fairly viewed as a triumph of democracy.
Download or read book A Thousand Pieces of Paradise written by Lynne Heasley and published by University of Wisconsin Pres. This book was released on 2012-04-19 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: A Thousand Pieces of Paradise is an ecological history of property and a cultural history of rural ecosystems set in one of the Midwest’s most historically significant regions, the Kickapoo River Valley. Whether examining the national war on soil erosion, Amish migration, a Corps of Engineers dam project, or Native American land claims, Lynne Heasley traces the history of modern American property debates. Her book holds powerful lessons for rural communities seeking to reconcile competing values about land and their place in it.
Download or read book Ecological Restoration in the Midwest written by Christian Lenhart and published by University of Iowa Press. This book was released on 2018-06-01 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most people do not realize it, but the Midwest has been at the forefront of ecological restoration longer than perhaps any other region in the United States, dating back to the 1930s. Because of its industrial history, agricultural productivity, and natural features such as the Great Lakes, the Midwest has always faced a unique set of ecological challenges. Focusing on six cutting-edge case studies that highlight thirty restoration efforts and research sites throughout the region— Iowa, Indiana, Illinois, Wisconsin, Michigan, Minnesota, and Ohio— editors Christian Lenhart and Peter “Rocky” Smiley Jr. bring together a group of scholars and practitioners to show how midwestern restoration efforts have developed, as well as where they are headed. Whether cleaning up contamination from auto plants in Ohio, or restoring native prairie grasses along the Iowa highway, the contributors uncover a vast network of interested citizens and volunteer groups committed to preserving the region’s environment. This study, intended for researchers, students, and practitioners, also provides an updated synthesis of restoration theory and practice, and pinpoints emerging issues of importance in the Midwest, such as climate change and the increase in invasive species it will bring to the region. Though focusing exclusively on the Midwest, the contributors demonstrate how these case studies apply to restoration efforts across the globe. Contributors: Luther Aadland, David P. Benson, Andrew F. Casper, Hua Chen, Joe DiMisa, Steve Glass, Heath M. Hagy, John A. Harrington, Neil Haugerud, Constance Hausman, Michael J. Lemke, Christian Lenhart, Jen Lyndall, Dan Shaw, John A. Shuey, Peter C. Smiley Jr., Daryl Smith
Download or read book Ecosystems and Land Use Change written by Ruth S. DeFries and published by American Geophysical Union. This book was released on 2004-01-09 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: Topics of this volume include multiple ecosystem responses to land use change, including hydrologic, climatic, and biogeochemical, with human health and species diversity responses; observing, forecasting, and hindcasting land use change; and regional studies of ecosystem interactions with land use change.
Download or read book Ecosystems and Land Use Change written by Ruth DeFries and published by American Geophysical Union. This book was released on 2004-01-09 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 153. Land use is at the center of one of the most vexing challenges for the coming decades: to provide enough food, fiber and shelter for the world's population; raise the standard of living for the billion people currently below the poverty line; and simultaneously sustain the world's ecosystems for use by humans and other species. The intended consequence of cropland expansion, urban growth, and other land use changes is to satisfy demands from the increasing appetite of the world's population. Unintended consequences, however, can alter ecological processes and have far-reaching and long-term effects that potentially compromise the basic functioning of ecosystems. Recently, the scientific community has begun to confront such issues. Several national and international programs have been at the forefront of scientific enquiry on the causes and consequences of land use change, including: the Land Use and Land Cover Change Program of the National Aeronautics and Space Administration, the Land Use program element in the interagency U.S. Climate Change Science Program, and the International Geosphere-Biosphere's Land Use and Cover Change (LUCC) core project. The result has been significant advances in understanding the complex socioeconomic, technological, and biophysical factors that drive land use change worldwide.
Download or read book U S Geological Survey Circular written by and published by . This book was released on 1999 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
