Download or read book An Investigation of the Geomorphology and Flooding Characteristics of a Small Stream in the Upper Big Walnut Creek Watershed Ohio written by Beth Ellen Fry and published by . This book was released on 2006 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: The objectives pertaining of this study were to 1) characterize the geomorphology of the headwaters of Sugar Creek (a tributary of the Upper Big Walnut Creek), 2) evaluate methods for relating recurrence intervals to discharge on the ungaged stream, and 3) to determine the frequency and magnitude of annual out of bank discharge at various locations along the stream. The bankfull discharge characteristics of Sugar Creek were analyzed with a regional curve analysis; the Rosgen Classification System, and an analysis of the threshold particle size. The three methods for estimating recurrence interval discharges of ungaged streams included two uncalibrated landscape models and estimates calibrated with USGS data from a downstream gage. HEC-HMS and HECRAS modeling programs were used to develop discharge recurrence interval relationships for selected locations along Sugar Creek. The frequencies associated with recurrence interval discharges, in times per year, were estimated with a time duration analysis and the average annual volume of overbank flows, as a percent of the total flow, utilized a combination of the generated flow hydrographs and the frequencies associated with recurrence interval discharges. Sugar Creek was a stable system, or in dynamic equilibrium, and had an extensive floodplain with entrenchment ratios ranging from 2 to 18. A calibrated method for estimating recurrence interval discharges was selected and used to estimate the average annual frequency and volume of overbank flows. Among eight locations focused on in the study, 38% experienced bankfull or larger discharges an average of 12 times per year, with about a 0.2-year recurrence interval for the bankfiill discharge. Seventy-five percent of the locations experienced bankfull or larger discharges an average of at least 3 times per year, with about a 0.8-year recurrence interval. Eighty-eight percent the locations, experienced out of bank flows at least 1 time per year, with about a 1.6-year recurrence interval. All of the locations experienced out of bank flows an average of at least 1 time per year, with the 2-year recurrence interval discharge. Out of bank flows ranged from 0.4% to 13% of the average annual flow volume. Based on the results of this study, it was recommended that further research be conducted in the Sugar Creek watershed to quantify the water quality benefits within the floodplain, as well as the benefits of a stable stream.
Download or read book Journal of Soil and Water Conservation written by and published by . This book was released on 2012 with total page 758 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vol. 25, no. 1 contains the society's Lincoln Chapter's Resource conservation glossary.
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2006 with total page 886 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Land Use Effects on Streamflow and Water Quality in the Northeastern United States written by Avril L. de la Cretaz and published by CRC Press. This book was released on 2007-06-01 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: Filling a long-standing need for a desk reference that synthesizes current research, Land Use Effects on Streamflow and Water Quality in the Northeastern United States reviews and discusses the impact of forest management, agriculture, and urbanization. The book provides a gateway to the diverse scientific literature that is urgently needed
Download or read book Biological Assessment and Criteria written by Wayne S. Davis and published by CRC Press. This book was released on 1995-03-03 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biological Assessment and Criteria presents a state-of-the-art overview of the applications of biological assessments and biocriteria for water quality management in fresh waters. The book presents case studies which illustrate how bioassessment has been used to identify and diagnose water quality problems. It also provides examples of the use of qualitative and quantitative biocriteria as regulatory tools to complement water quality criteria and standards. The first book to present the technical foundation, rationale, program and policy relevance, and legal basis for the most accurate tools used to assess freshwater natural resource and regulatory efforts, this book provides useful and timely information for water quality managers.
Download or read book Flood Pulsing in Wetlands written by Beth A. Middleton and published by John Wiley & Sons. This book was released on 2002-10-15 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: The latest cutting-edge research on flood pulsing and wetland restoration in North America Presenting the latest research from leaders in the field of restoration ecology, Flood Pulsing in Wetlands reflects the current movement to incorporate flood pulsing into wetland restoration efforts. Emphasizing how integral flood pulsing is to successful wetland restoration, the book's contributors provide descriptions of restoration projects across North America in which flood pulsing has been primarily used to restore beneficial hydrodynamic conditions to floodplain areas, and improve or save vegetation, wildlife, and terrain. Detailing the importance and applicability of recreating flood-pulsed conditions on floodplains for successful restoration, the first chapter introduces the concept of flood pulse and its unique role in wetland restoration. The following chapters detail the strategies and results of individual projects and the impact flood pulsing had on the projects' overall goals. Case studies detail the history of each region, such as the Southwest, including the Sonoran Desert communities and the Middle Rio Grande; the Missouri River in Montana; the Illinois River Valley; and the Southeast, including Brushy Lake, Arkansas. Also documented is the most famous case of flood pulsing used in the restoration of an entire landscape, the Kissimmee River project. Approaches used to restore specific plant and animal populations, the unique ecological concerns of each region, and the future outlook for each area are fully described. Extensive bibliographies for each chapter make Flood Pulsing in Wetlands: Restoring the Natural Hydrological Balance the essential reference for restoration ecologists, consultants in wetland restoration, government and restoration agency employees, land managers, ecologists, foresters, and geologists.
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 Journal of Research of the U S Geological Survey written by Geological Survey (U.S.) and published by . This book was released on 1974 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scientific notes and summaries of investigations in geology, hydrology, and related fields.
Download or read book Environmental Law Policy and Economics written by Nicholas Askounes Ashford and published by MIT Press. This book was released on 2008 with total page 1125 pages. Available in PDF, EPUB and Kindle. Book excerpt: The past twenty-five years have seen a significant evolution in environmental policy, with new environmental legislation and substantive amendments to earlier laws, significant advances in environmental science, and changes in the treatment of science (and scientific uncertainty) by the courts. This book offers a detailed discussion of the important issues in environmental law, policy, and economics, tracing their development over the past few decades through an examination of environmental law cases and commentaries by leading scholars. The authors focus on pollution, addressing both pollution control and prevention, but also emphasize the evaluation, design, and use of the law to stimulate technical change and industrial transformation, arguing that there is a need to address broader issues of sustainable development. Environmental Law, Policy, and Economics,which grew out of courses taught by the authors at MIT, treats the traditional topics covered in most classes in environmental law and policy, including common law and administrative law concepts and the primary federal legislation. But it goes beyond these to address topics not often found in a single volume: the information-based obligations of industry, enforcement of environmental law, market-based and voluntary alternatives to traditional regulation, risk assessment, environmental economics, and technological innovation and diffusion. Countering arguments found in other texts that government should play a reduced role in environmental protection, this book argues that clear, stringent legal requirements--coupled with flexible means for meeting them--and meaningful stakeholder participation are necessary for bringing about environmental improvements and technologicial transformations.
Download or read book A New Ecology written by Sven Erik Jørgensen and published by Elsevier. This book was released on 2011-08-30 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: A New Ecology presents an ecosystem theory based on the following ecosystem properties: physical openness, ontic openness, directionality, connectivity, a complex dynamic for growth and development, and a complex dynamic response to disturbances. Each of these properties is developed in detail to show that these basic and characteristic properties can be applied to explain a wide spectrum of ecological obsevations and convections. It is also shown that the properties have application for environmental management and for assessment of ecosystem health.* Demonstrates an ecosystem theory that can be applied to explain ecological observations and rules* Presents an ecosystem theory based upon a systems approach* Discusses an ecosystem theory that is based on a few basic properties that are characteristic for ecosystmes
Download or read book Understanding and Solving Environmental Problems in the 21st Century written by R. Costanza and published by Elsevier. This book was released on 2002-06-05 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this book is to encourage integration of the natural and social sciences with the policy and design-making community, and thereby develop a deeper understanding of complex environmental problems. Its fundamental themes are:• integrated modeling and assessment • complex, adaptive, hierarchical systems • ecosystem services • science and decision-making • ecosystem health and human health • quality of life and the distribution of wealth and resources.This book will act as a state of the art assessment of integrated environmental science and its relation to real world problem solving. It is aimed not only at the academic community, but also as a sourcebook for managers, policy makers, and the informed public. It deals both with the state of the science and the level of consensus among scientists on key environmental issues. The concepts underlying this book were developed at the 2nd EcoSummit workshop held in Halifax, Nova Scotia, June, 2000, with active participation from all delegates, and attempts to present their collective view.
Download or read book Chesapeake Bay Study written by United States. Army. Corps of Engineers. Baltimore District and published by . This book was released on 1978 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Urban Pollution and Changes to Materials and Building Surfaces written by Peter Brimblecombe and published by World Scientific. This book was released on 2015-11-23 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pollution damages materials, but it has changed dramatically in the past century, with a reduction in the concentration of corrosive primary pollutants in urban atmospheres. At the same time, architectural styles and types of materials have changed, as we have moved to more organically rich, photochemically active atmospheres. Contemporary pollutants have a greater potential to degrade organic coatings and polymers, which are of great importance to modern structures.Urban Pollution and Changes to Materials and Building Surfaces examines a range of materials, discussing the ways in which they are likely to be damaged by contemporary urban pollutants, with an emphasis on the effects of air pollution. A chapter on graffiti is also included.The wide scope covered means that this volume is suitable for readers from a broad background. It should be of interest to scientists and policymakers dealing with the effects of urban pollution, as well as undergraduate and graduate students working in this area.This book, with its wealth of information, is of exceedingly good value for readers who seek to understand more on the changes of materials and building surfaces by urban pollution.
Download or read book Nonpoint and Point Sources of Nitrogen in Major Watersheds of the United States written by Larry J. Puckett and published by . This book was released on 1994 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ecological Informatics written by Friedrich Recknagel and published by Springer Science & Business Media. This book was released on 2002-12-11 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ecological Informatics is defined as the design and application of computational techniques for ecological analysis, synthesis, forecasting and management. The book provides an introduction to the scope, concepts and techniques of this newly emerging discipline. It illustrates numerous applications of Ecological Informatics for stream systems, river systems, freshwater lakes and marine systems as well as image recognition at micro and macro scale. Case studies focus on applications of artificial neural networks, genetic algorithms, fuzzy logic and adaptive agents to current ecological management issues such as toxic algal blooms, eutrophication, habitat degradation, conservation of biodiversity and sustainable fishery.
Download or read book Monitoring Scour Critical Bridges written by Beatrice E. Hunt and published by Transportation Research Board. This book was released on 2009 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Plant Life in Anaerobic Environments written by Donal D. Hook and published by CRC Press. This book was released on 1978 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: Processes in anaerobiosis; Recent contribution on anaerobiosis.
