Past And Future Freshwater Use In The United States
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Past And Future Freshwater Use In The United States
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Author : Thomas Capnor Brown
language : en
Publisher:
Release Date : 1999
Past And Future Freshwater Use In The United States written by Thomas Capnor Brown and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Electronic books categories.
Past And Future Freshwater Use In The United States A Technical Document Supporting The 2000 Usda Forest Service Rpa Assessment
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Author : Thomas Brown
language : en
Publisher: CreateSpace
Release Date : 2012-10-22
Past And Future Freshwater Use In The United States A Technical Document Supporting The 2000 Usda Forest Service Rpa Assessment written by Thomas Brown and has been published by CreateSpace this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-10-22 with categories.
Water withdrawals to cities, farms, and other offstream uses in the United States have increased over ten-fold during the twentieth century in response to tremendous population and economic growth. Further rapid growth in population and income is almost certain to occur, placing additional demands on water supplies. As withdrawals to offstream users increase, more water is consumed, leaving less water in streams. Streamflows have dropped at the same time as additional instream uses have been found by scientists studying the needs of aquatic plants and wildlife and the hydro-geologic requirements of river channels themselves, and as rising incomes and urbanization have intensified calls for maintaining water-based recreation opportunities and protecting water quality (Gillilan and Brown 1997). These changes amplify the importance of examining the future adequacy of the nation's water supply. As Congress recognized when it passed the Forest and Rangeland Renewable Resources Planning Act of 1974 requiring the Forest Service to periodically assess anticipated resource supply and demand conditions, with sufficient forethought necessary adjustments may be anticipated and unnecessary costs may be avoided. The adequacy of a water supply depends on water availability compared with water demand. This report focuses on water demand, and estimates future water use assuming that the water will be available. Comparison of water-use estimates presented in this report with estimates of future water availability is left to a later report. In economic terms, demand is a price-quantity relation. Unfortunately, such relations are difficult to specify for some water uses and for large geographic regions containing numerous market areas. Thus, an economic model was not adopted for this study. Instead, demand, as used in this report, refers to quantity requested. This quantity-based approach leaves the effect of price unspecified but not avoided. Because water and the resources needed to manage it are scarce, price has played an important role in determining the past quantities of water requested and will continue to do so. In what follows, the implicit role of price must be remembered. Demand for water differs by region. Arid areas have higher demands per user than do humid areas, all else equal. Within a region of homogeneous weather, demands differ geographically depending on the availability of arable land, reliance on thermoelectric power, and other factors. The many potential differences among geographic areas suggest that demand for water should be studied at the smallest geographical scale possible. However, existing small-scale studies, often performed using different variables or methods, do not lend themselves to broadscale conclusions about regional or national trends. This report projects water demand to the year 2040. The time horizon was selected based on the Forest and Rangeland Renewable Resources Planning Act, which mandates that the Forest Service periodically prepare a management plan for a period of roughly 45 years into the future. Of course, the likelihood that a projection is accurate decreases as the time horizon of that projection increases. The objective of this paper is to characterize past and future water use in the U.S. A national perspective is first adopted to present a basic understanding of water-use trends. Then water use is described for large regions of the U.S. to capture the major regional differences.
Past And Future Freshwater Use In The United States
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FREE 30 Days
Author : Thomas Capnor Brown
language : en
Publisher:
Release Date : 1999
Past And Future Freshwater Use In The United States written by Thomas Capnor Brown and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Electronic books categories.
To Quench Our Thirst
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Author : David A. Francko
language : en
Publisher: University of Michigan Press
Release Date : 1983
To Quench Our Thirst written by David A. Francko and has been published by University of Michigan Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Business & Economics categories.
A far-sighted analysis of the problem of America's shortage of fresh water
A Twenty First Century U S Water Policy
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Author : Juliet Christian-Smith
language : en
Publisher: Oxford University Press
Release Date : 2012-08-23
A Twenty First Century U S Water Policy written by Juliet Christian-Smith and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-08-23 with Business & Economics categories.
Presents an analysis and recommendations for a new federal water policy from the Pacific Institute.
Freshwater Supply States Views Of How Federal Agencies Could Help Them Meet The Challenges Of Expected Shortages Report To Congressional Requesters
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Author :
language : en
Publisher: DIANE Publishing
Release Date :
Freshwater Supply States Views Of How Federal Agencies Could Help Them Meet The Challenges Of Expected Shortages Report To Congressional Requesters written by and has been published by DIANE Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Past And Future Water Use In Pacific Coast States
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Author :
language : en
Publisher:
Release Date : 2003
Past And Future Water Use In Pacific Coast States written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Water consumption categories.
We examine socioeconomic factors affecting water demand and expected trends in these factors. Based on these trends, we identify past, current, and projected withdrawal of surface water for various uses in Pacific Coast States (California, Idaho, Oregon, and Washington), including public, domestic, commercial, industrial, thermoelectric, livestock, and irrigation. Additionally, we identify projected demands for nonconsumptive instream recreational uses of water, such as boating, swimming, and fishing, which can compete with consumptive uses. Allocating limited water resources across multiple users will present water resource managers and policymakers with distinct challenges as water demands increase. To illustrate these challenges, we present a case study of issues in the Klamath Basin of northern California and southern Oregon. The case study provides an example of the issues involved in allocating scarce water among diverse users and uses, and the difficulties policymakers face when attempting to design water allocation policies that require tradeoffs among economic, ecological, and societal values.
Freshwater Supply
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Author : United States. General Accounting Office
language : en
Publisher:
Release Date : 2003
Freshwater Supply written by United States. General Accounting Office and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Water-supply categories.
General Technical Report Rmrs
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Author :
language : en
Publisher:
Release Date : 1998
General Technical Report Rmrs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Forests and forestry categories.
Freshwater Supply
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Author : Barry T. Hill
language : en
Publisher: DIANE Publishing
Release Date : 2006-03
Freshwater Supply written by Barry T. Hill and has been published by DIANE Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-03 with categories.
The widespread drought conditions of 2002 focused attention on a critical nat. challenge: ensuring a sufficient freshwater supply to sustain quality of life & economic growth. States have primary responsibility for managing the allocation & use of water resources, but multiple federal agencies also play a role. For example, the Dept. of Interior's Bureau of Reclamation operates numerous water storage facilities, & the U.S. Geologic Survey collects surface & groundwater info. This report determines the current conditions & future trends for U.S. water avail. & use, the likelihood of shortages & their potential consequences, & states' views on how fed. activities could better support state water management efforts to meet future demands. Illustrations.