Download or read book Predicting Rainfall Erosion Losses written by Walter H. Wischmeier and published by . This book was released on 1978 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Universal Soil Loss Equation (USLE) enables planners to predict the average rate of soil erosion for each feasible alternative combination of crop system and management practices in association with a specified soil type, rainfall pattern, and topography. When these predicted losses are compared with given soil loss tolerances, they provide specific guidelines for effecting erosion control within specified limits. The equation groups the numerous interrelated physical and management parameters that influence erosion rate under six major factors whose site-specific values can be expressed numerically. A half century of erosion research in many States has supplied information from which at least approximate values of the USLE factors can be obtained for specified farm fields or other small erosion prone areas throughout the United States. Tables and charts presented in this handbook make this information readily available for field use. Significant limitations in the available data are identified.
Download or read book Precision Conservation written by Jorge A. Delgado and published by John Wiley & Sons. This book was released on 2020-01-22 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: Precision conservation is a reality, and we are moving towards improved effectiveness of conservation practices by accounting for temporal and spatial variability within and off field. This is the first book to cover the application of the principles of precision conservation to target conservation practices across fields and watersheds. It has clearly been established that the 21st century will present enormous challenges, from increased yield demands to climate change. Without improved conservation practices it will not be possible to ensure food security and conservation effectiveness. Readers will appreciate the application of the precision conservation concept to increase conservation effectiveness in a variety of contexts, with a focus on recent advances in technology, methods, and improved results. IN PRESS! This book is being published according to the “Just Published” model, with more chapters to be published online as they are completed.
Download or read book Watershed Management for Potable Water Supply written by National Research Council and published by National Academies Press. This book was released on 2000-02-17 with total page 569 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1997, New York City adopted a mammoth watershed agreement to protect its drinking water and avoid filtration of its large upstate surface water supply. Shortly thereafter, the NRC began an analysis of the agreement's scientific validity. The resulting book finds New York City's watershed agreement to be a good template for proactive watershed management that, if properly implemented, will maintain high water quality. However, it cautions that the agreement is not a guarantee of permanent filtration avoidance because of changing regulations, uncertainties regarding pollution sources, advances in treatment technologies, and natural variations in watershed conditions. The book recommends that New York City place its highest priority on pathogenic microorganisms in the watershed and direct its resources toward improving methods for detecting pathogens, understanding pathogen transport and fate, and demonstrating that best management practices will remove pathogens. Other recommendations, which are broadly applicable to surface water supplies across the country, target buffer zones, stormwater management, water quality monitoring, and effluent trading.
Download or read book Washita River Watershed Research Findings written by Southern Plains Watershed Research Center and published by . This book was released on 1968 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Future of Rowan Creek Watershed written by and published by . This book was released on 2003 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Compendium of Tools for Watershed Assessment and Tmdl Development written by L. Shoemaker and published by . This book was released on 1997-11 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: Broadens the review of models and techniques from solely watershed loading models to include receiving water models and ecological assess. techniques and models. It summarizes avail. techniques and models that assess and predict physical, chemical, and biol. conditions in waterbodies. Includes info. regarding: a wide range of watershed-scale loading models; field-scale loading models; receiving water models, including eutrophication/water quality models, toxics models, and hydrodynamic models; integrated modeling systems that, for example, link watershed-scale loading with receiving water processes; and ecological techniques and models that can be used to assess &/or predict the status of habitat, single species, or biol. community.
Download or read book Advances in Watershed Science and Assessment written by Tamim Younos and published by Springer. This book was released on 2015-01-31 with total page 309 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume offers concepts, methods and case studies of innovative and evolving technologies in the area of watershed assessment. Topics discussed include: (1) Development and applications of geospatial, satellite imagery and remote sensing technologies for land monitoring; (2) Development and applications of satellite imagery for monitoring inland water quality; (3) Development and applications of water sensor technologies for real-time monitoring of water quantity and quality; and (4) Advances in biological monitoring and microbial source tracking technologies. This book will be of interest to graduate students and researchers involved in watershed science and environmental studies. Equally, it will serve as a valuable guide to experts in government agencies who are concerned with water-availability and water-quality issues, and engineers and other professionals involved in the design of land- and water-monitoring systems.
Download or read book Research and Cumulative Watershed Effects written by Leslie M. Reid and published by . This book was released on 1993 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Optimal Placement of Conservation Practices Using Genetic Algorithm with SWAT written by Manoj Jha and published by . This book was released on 2009 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effectiveness of conservation practices depends on their placement on the fields within the watershed. Cost-effective placement of these practices for maximum water quality benefits on each field requires comparing a very large number of possible land-use scenarios. To address this problem, we combine the tools of evolutionary algorithm with the Soil and Water Assessment Tool (SWAT) model and cost data to develop a trade-off frontier of least cost of achieving nutrient reductions and the corresponding locations of conservation practices. This approach was applied to the Raccoon River Watershed, which drains about 9,400 km2 of an intensive agriculture region in west-central Iowa. Applying genetic algorithm to the calibrated SWAT modeling setup produced multitudes of optimal solutions of achieving nutrient reductions in relation to the total cost of placing these practices. For example, a 30% reduction in nitrate (and a corresponding 53% reduction in phosphorus) at the watershed outlet can be achieved with a cost of $80 million per year. This solution frontier allows policymakers and stakeholders to explicitly see the trade-offs between cost and nutrient reductions.
Download or read book Watershed Protection written by and published by . This book was released on 1995 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Coastal Watershed Management written by A. Fares and published by WIT Press. This book was released on 2008-05-23 with total page 433 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coastal watersheds differ from others by their unique features, including proximity to the ocean, weather and rainfall patterns, subsurface features, and land covers. Land use changes and competing needs for valuable water and land resources are especially more distinctive to such watersheds. This book covers recent research relevant to coastal watersheds. It addresses the impact of a stream’s chemical, biological, and sediment pollutants on the quality of the receiving waters, such as estuaries, bays, and near-shore waters. The contents of the book can be divided into three sections; a) overview of hydrological modelling, b) water quality assessment, and c) watershed management. This book differs from other hydrology books by dealing with coastal watersheds which are characterized by their unique features: including weather and rainfall patterns, subsurface characteristics, and land use and cover. In addition to academia, the book should be of interest to organizations concerned with watershed management, such as local and federal governments and environmental groups. Overall, the book is expected to satisfy a great need toward understanding and managing critical areas in many parts of the world.
Download or read book Watershed Dynamics written by William S. Carlsen and published by NSTA Press. This book was released on 2004 with total page 191 pages. Available in PDF, EPUB and Kindle. Book excerpt: Whether youOCOre a stream studies novice or a veteran aquatic monitor, Watershed Dynamics gives you abundant practical resources to extend your studentsOCO investigations into local water quality and land-use issues. This two-part set is ideal for teaching biological and ecological concepts and research techniques. It also shows how the interplay between scientific data and human judgment can shape public policy decisions on zoning, flood control, and agricultural practices."
Download or read book Watershed Management to Meet Water Quality Standards and Emerging TMDL written by American Society of Agricultural Engineers and published by American Society of Agricultural & Biological Engineers. This book was released on 2005 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Watershed Assessment of River Stability and Sediment Supply WARSSS written by David L. Rosgen and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Application of Water Quality Models for Agricultural and Forested Watersheds written by David Beach Beasley and published by . This book was released on 1989 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Embracing Watershed Politics written by Edella Schlager and published by University Press of Colorado. This book was released on 2008-06-30 with total page 237 pages. Available in PDF, EPUB and Kindle. Book excerpt: As Americans try to better manage and protect the natural resources of our watersheds, is politics getting in the way? Why does watershed management end up being so political? In Embracing Watershed Politics, political scientists Edella Schlager and William Blomquist provide timely illustrations and thought-provoking explanations of why political considerations are essential, unavoidable, and in some ways even desirable elements of decision making about water and watersheds. With decades of combined study of water management in the United States, they focus on the many contending interests and communities found in America's watersheds, the fundamental dimensions of decision making, and the impacts of science, complexity, and uncertainty on watershed management. Enriched by case studies of the organizations and decision making processes in several major U.S. watersheds (the Delaware River Basin, San Gabriel River, Platte River, and the Columbia River Basin), Embracing Watershed Politics presents a reasoned explanation of why there are so few watershed-scale integrated management agencies and how the more diverse multi-organizational arrangements found in the vast majorities of watersheds work. Although the presence of multiple organizations representing a multitude of communities of interest complicates watershed management, these institutional arrangements can-under certain conditions-suit the complexity and uncertainty associated with watershed management in the twenty-first century.
Download or read book New Strategies for America s Watersheds written by National Research Council and published by National Academies Press. This book was released on 1999-04-28 with total page 333 pages. Available in PDF, EPUB and Kindle. Book excerpt: Emergence of a toxic organism like pfisteria in tributaries of the Chesapeake Bay has focused public attention on potential hazards in our water. More importantly, it has reminded us of the importance of the entire watershed to the health of any body of water and how political boundaries complicate watershed management. New Strategies for America's Watersheds provides a timely and comprehensive look at the rise of "watershed thinking" among scientists and policymakers and recommends ways to steer the nation toward improved watershed management. The volume defines important terms, identifies fundamental issues, and explores reasons why now is the time to bring watersheds to the forefront of ecosystem management. In a discussion of scale and scope, the committee examines how to expand the watershed from a topographic unit to a framework for integrating natural, social, and economic perspectives as they share the same geographic space. The volume discusses: Regional variations in climate, topography, demographics, institutions, land use, culture, and law. Roles and interaction of federal, state, and local agencies. Availability or lack of pertinent data. Options for financing. The committee identifies critical points in watershed planning to ensure appropriate stakeholder involvement and integration of science, policy, and environmental ethics.
