The Science of Instream Flows


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Across the United States, municipalities, counties, and states grapple with issues of ensuring adequate amounts of water in times of high demand and low supply. Instream flow programs aim to balance ecosystem requirements and human uses of water, and try to determine how much water should be in rivers. With its range of river and ecosystem conditions, growing population, and high demands on water, Texas is representative of instream flow challenges across the United States, and its instream flow program may be a model for other jurisdictions. Three state agenciesâ€"the Texas Water Development Board (TWDB), the Texas Parks and Wildlife Department (TPWD), and the Texas Commission on Environmental Quality (TCEQ)â€"asked a committee of the National Research Council (NRC) to review the Programmatic Work Plan (PWP) and Technical Overview Document (TOD) that outline the state's instream flow initiative. The committee suggested several changes to the proposed plan, such as establishing clearer goals, modifying the flow chart that outlines the necessary steps for conducting an instream flow study, and provide better linkages between individual studies of biology, hydrology and hydraulics, physical processes, and water quality.




National Water Summary


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Biological Report


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Water and People


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Water is the source of life, the sustenance for living, the resource needed for mfg., mining, ag.; the element required to grow our lawns, to water our landscaping, to shower us with refreshment; it is the place where we play; it provides the snow for our winter recreation, and it provides the habitat for our wildlife. Water in Amer. society is more than a physical entity; its symbolic values and non-instrumental uses are growing in significance. This book is about the issues associated with these symbolic values and uses of water: the challenges they present -- in our language, in our allocation mechanisms, in our commun. -- the conflicts raised; and the potential for resolving the difficult, contentious and complex issues concerning the use of water for various purposes.




National Water Summary 1987


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Environmental Water Markets and Regulation


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River systems around the world are degraded and are being used unsustainably. Meeting this challenge requires the development of flexible regimes that have the potential to meet essential consumptive needs while restoring environmental flows. This book focuses on how water trading frameworks can be repurposed for environmental water recovery and aims to conceptualise the most appropriate role for law in supporting recovery through these frameworks. The author presents a comprehensive study of the legal frameworks in four jurisdictions: the States of Oregon and Colorado in the western United States; the province of Alberta in Canada; and the Murray-Darling Basin in Australia/Basin State of New South Wales. A close comparative analysis of these four jurisdictions reveals a variety of distinctive regulatory arrangements and collaborations between public and private actors. In all cases, the law has been deployed to steer and coordinate these water governance activities. The book argues that each regime is based on a particular regulatory strategy, with different conceptions of the appropriate roles for, and relationships between, various actors and institutions. Legal frameworks do not have the capacity to rationalise and provide an overarching and absolute solution to the complex environmental and governance issues that arise in the context of environmental water transactions. Rather, the role of law in this context needs to be reconceptualised within the paradigm of regulatory capitalism as establishing and maintaining the limits within which regulatory participants can operate, innovate and collaborate.




Colorado Wilderness Act of 1991


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