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Effects Of Environmental Water Transfers On Stream Temperatures
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Book Synopsis Effects of Environmental Water Transfers on Stream Temperatures by : Logan Elmore
Download or read book Effects of Environmental Water Transfers on Stream Temperatures written by Logan Elmore and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Low streamflows and warm stream temperatures, caused mainly from agricultural diversions, currently limit available habitat and productivity of trout, including native Lahontan cutthroat trout in Nevada0́9s Walker River Basin. Environmental water purchases, which transfer water from willing sellers to instream uses (i.e for fish), are being evaluated to improve instream habitat. To determine which environmental water purchases to prioritize, this study was undertaken to build a computer model in order to simulate stream temperatures under differing environmental water transfer scenarios. Model runs simulate a range of environmental water transfers at major diversions and reservoirs throughout the Walker River Basin. Results indicate that low flows generally coincide with critically warm stream temperatures, cooler stream temperatures exist in the East Walker River, a tributary of the Walker River, during warm seasons which provide good habitat for fish, environmental transfers can improve stream temperatures for some highly impacted reaches by up to 3℗ʻC in dry years, and environmental water transfers have a greater effect in dry years than wet years.
Book Synopsis Managing the Columbia River by : National Research Council
Download or read book Managing the Columbia River written by National Research Council and published by National Academies Press. This book was released on 2004-07-27 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flows of the Columbia River, although modified substantially during the twentieth century, still vary considerably between seasons and between years. Lowest flows tend to occur during summer months when demand for irrigation water is at its highest and when water temperatures are greatest. These periods of low flows, high demand, and high temperature are critical periods for juvenile salmon migrating downstream through the Columbia River hydropower system. Although impacts on salmon of any individual water withdrawal may be small, the cumulative effects of numerous withdrawals will affect Columbia River flows and would pose increased risks to salmon survival. The body of scientific knowledge explaining salmon migratory behavior and physiology is substantial, but imperfect, and decision makers should acknowledge this and be willing to take action in the face of uncertainties. In order to provide a more comprehensive water permitting process, the State of Washington, Canada, other basin states, and tribal groups should establish a basin-wide forum to consider future water withdrawal application permits. If the State of Washington issues additional permits for water withdrawals from the Columbia River, those permits should contain provisions that allow withdrawals to be curtailed during critical high-demand periods.
Book Synopsis Methods in Stream Ecology by : F. Richard Hauer
Download or read book Methods in Stream Ecology written by F. Richard Hauer and published by Academic Press. This book was released on 2017-01-16 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: Methods in Stream Ecology provides a complete series of field and laboratory protocols in stream ecology that are ideal for teaching or conducting research. This two part new edition is updated to reflect recent advances in the technology associated with ecological assessment of streams, including remote sensing. Volume focusses on ecosystem structure with in-depth sections on Physical Processes, Material Storage and Transport and Stream Biota. With a student-friendly price, this Third Edition is key for all students and researchers in stream and freshwater ecology, freshwater biology, marine ecology, and river ecology. This text is also supportive as a supplementary text for courses in watershed ecology/science, hydrology, fluvial geomorphology, and landscape ecology. Methods in Stream Ecology, 3rd Edition, Volume 2: Ecosystem Structure, is also available now! Provides a variety of exercises in each chapter Includes detailed instructions, illustrations, formulae, and data sheets for in-field research for students Presents taxonomic keys to common stream invertebrates and algae Includes website with tables and a link from Chapter 22: FISH COMMUNITY COMPOSITION to an interactive program for assessing and modeling fish numbers Written by leading experts in stream ecology
Book Synopsis Effect of Meteorological Variables on Temperature Changes in Flowing Streams by : Robert W. Troxler
Download or read book Effect of Meteorological Variables on Temperature Changes in Flowing Streams written by Robert W. Troxler and published by . This book was released on 1975 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Scottish Forestry Strategy by : Forestry Commission Scotland
Download or read book The Scottish Forestry Strategy written by Forestry Commission Scotland and published by . This book was released on 2006 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Habitat Suitability Index Models by : Terry Hickman
Download or read book Habitat Suitability Index Models written by Terry Hickman and published by . This book was released on 1982 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Guadalupe River and Adjacent Streams Investigation by :
Download or read book Guadalupe River and Adjacent Streams Investigation written by and published by . This book was released on 1985 with total page 554 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Environmental Protection Research Catalog: Indexes by : Smithsonian Science Information Exchange
Download or read book Environmental Protection Research Catalog: Indexes written by Smithsonian Science Information Exchange and published by . This book was released on 1972 with total page 1478 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Water Transfers in the West written by and published by . This book was released on 1992 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dams and Water Transfers – An Overview / Barrages et Transferts d’Eau - Aperçu by : Cigb Icold
Download or read book Dams and Water Transfers – An Overview / Barrages et Transferts d’Eau - Aperçu written by Cigb Icold and published by CRC Press. This book was released on 2021-08-09 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present Bulletin presents a complete response from the ‘Technical Committee of ICOLD on Dams and Water Transfer (CDWT)’ to the Terms of Reference. It starts with related global information, brings out related efforts made in countries with completely differing climate, economy, population distribution etc. about present status within and between river basins & countries – both surplus and or deficit, while recognizing the crucial role played by dams in water transfer to needy regions. It then enumerates guidelines followed in considering various options, while identifying geographical issues, limited by political territories & legal issues like water treaties. Essentially then, it dwells on possible need, potential and problems in water transfers that must be handled to overcome B/C issues faced by needy countries. In order to assist concerned professionals, the Bulletin finally elaborates on objections raised by different stake-holders in the subject and provides answers generated globally. The on-going debate world-over about WRD versus environmental impacts is then dealt with to help Member-countries overcome various issues. Le présent Bulletin présente une réponse complète du « Comité Technique sur les barrages et les transferts d’eau ». Il commence par des informations mondiales, fait ressortir les efforts déployés dans des pays au climat, à l'économie, à la répartition de la population, etc. complètement différents sur l'état actuel au sein et entre les bassins fluviaux et les pays - à la fois excédentaire et / ou déficitaire, tout en reconnaissant le rôle crucial joué par les barrages dans le transfert d'eau vers les régions nécessiteuses. Il énumère ensuite les lignes directrices suivies pour considérer diverses options, tout en identifiant les problèmes géographiques, limités par les territoires politiques et les questions juridiques comme les traités sur l'eau. Essentiellement, il s'attarde donc sur les besoins, le potentiel et les problèmes possibles des transferts d'eau qui doivent être traités pour surmonter les problèmes auxquels sont confrontés les pays dans le besoin. Afin d'aider les professionnels concernés, le Bulletin élabore enfin les objections soulevées par les différents acteurs du sujet et apporte des réponses générées globalement. Le débat en cours dans le monde entier par rapport aux impacts environnementaux est ensuite traité pour aider les pays membres à surmonter divers problèmes.
Book Synopsis Some Effects of Modification of Stream Environment by : M. E. Crow
Download or read book Some Effects of Modification of Stream Environment written by M. E. Crow and published by . This book was released on 1976 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1991 with total page 898 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stream Temperature Modeling for Marys River Watershed by : Mamoon Mustafa
Download or read book Stream Temperature Modeling for Marys River Watershed written by Mamoon Mustafa and published by . This book was released on 2016 with total page 55 pages. Available in PDF, EPUB and Kindle. Book excerpt: High water temperatures in rivers have detrimental effects on riverine water quality and ecology. In this study, two river temperature models, within the agricultural watershed model Soil and Water Assessment Tool (SWAT), were investigated for their ability to simulate water temperatures accurately throughout the year. The original temperature model within SWAT uses a linear approach to estimate stream temperature based on air temperature and does not account for hydrological components for calculating stream temperature. Recently, a new stream temperature model for SWAT was developed that combines meteorological with hydrological components such as lateral flow, snowmelt, groundwater flow and surface runoff. The model also uses three elements for the stream temperature calculations – specifically, within a sub-basin (temperature and flow rate), upstream of sub-basin (temperature and incoming flow), and air-water temperature heat exchange transfer. The goal of this research was to improve the recently developed temperature model further by incorporating different types of heat exchange sources, in addition to air-water heat transfer. The edited model was tested for Marys River, a west tributary of the Willamette River in Oregon. The output from the edited model was then compared with observed stream temperatures, for different spatial locations within the watershed to assess the model efficiency. The results showed a good agreement for forested region compared to Ficklin’s default model with RMSE of both models matching. However, there were over predictions and more noise in predicting stream temperature for agricultural region within the watershed in which resulted in higher RMSE for edited model.
Book Synopsis Final Programmatic Environmental Impact Statement/environmental Impact Report by : CALFED Bay-Delta Program
Download or read book Final Programmatic Environmental Impact Statement/environmental Impact Report written by CALFED Bay-Delta Program and published by . This book was released on 2000 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Water Quality Modelling for Rivers and Streams by : Marcello Benedini
Download or read book Water Quality Modelling for Rivers and Streams written by Marcello Benedini and published by Springer Science & Business Media. This book was released on 2013-02-11 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main objective of the Water Framework Directive in the European countries is to achieve a “good status” of all the water bodies, in the integrated management of river basins. In order to assess the impact of improvement measures, water quality models are necessary. During the previous decades the progress in computer technology and computational methods has supported the development of advanced mathematical models for pollutant transport in rivers and streams. This book is intended to provide the fundamental knowledge needed for a deeper understanding of these models and the development of new ones, which will fulfil future quality requirements in water resources management. This book focuses on the fundamentals of computational techniques required in water quality modelling. Advection, dispersion and concentrated sources or sinks of contaminants lead to the formulation of the fundamental differential equation of pollutant transport. Its integration, according to appropriate initial and boundary conditions and with the knowledge of the velocity field, allows for pollutant behaviour to be assessed in the entire water body. An analytical integration is convenient only in one-dimensional approach with considerable simplification. Integration in the numerical field is useful for taking into account particular aspects of water body and pollutants. To ensure their reliability, the models require accurate calibration and validation, based on proper data, taken from direct measurements. In addition, sensitivity and uncertainty analysis are also of utmost importance. All the above items are discussed in detail in the 21 chapters of the book, which is written in a didactic form for professionals and students.
Book Synopsis Bibliography of the New York Bight by : Environmental Science Information Center
Download or read book Bibliography of the New York Bight written by Environmental Science Information Center and published by . This book was released on 1974 with total page 710 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Estimation of Climate Change Effects on Streamflows, Stream Temperatures and Fish Thermal Habitat by : Omid Mohseni
Download or read book Estimation of Climate Change Effects on Streamflows, Stream Temperatures and Fish Thermal Habitat written by Omid Mohseni and published by . This book was released on 1999 with total page 594 pages. Available in PDF, EPUB and Kindle. Book excerpt:
