Water-quality Assessment of the Potomac River Basin : Basin Description and Analysis of Available Nutrient Data, 1970-90

Water-quality Assessment of the Potomac River Basin : Basin Description and Analysis of Available Nutrient Data, 1970-90 PDF Author:
Publisher:
ISBN:
Category : Water quality
Languages : en
Pages : 98

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Water-resources Investigations Report

Water-resources Investigations Report PDF Author:
Publisher:
ISBN:
Category : Hydrology
Languages : en
Pages : 40

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Nutrients in the Nation's Waters

Nutrients in the Nation's Waters PDF Author: David K. Mueller
Publisher:
ISBN:
Category : Nutrient pollution of water
Languages : en
Pages : 32

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Nutrients in water are necessary for productive aquatic ecosystems, but in high concentrations, nutrients such as nitrates, ammonia, and phosphates can adversely affect aquatic life and human health.

U.S. Geological Survey Circular

U.S. Geological Survey Circular PDF Author:
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ISBN:
Category :
Languages : en
Pages : 286

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Estimation and Analysis of Nutrient and Suspended-sediment Loads at Selected Sites in the Potomac River Basin, 1993-95

Estimation and Analysis of Nutrient and Suspended-sediment Loads at Selected Sites in the Potomac River Basin, 1993-95 PDF Author: Joy S. Lizárraga
Publisher:
ISBN:
Category : Nutrient pollution of water
Languages : en
Pages : 36

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Water Quality Assessment of the Potomac River Basin

Water Quality Assessment of the Potomac River Basin PDF Author: J.D. Blomquist, G.T. Fisher, J.M. Denis, J.W. Brakebill, W.H. Werkheiser
Publisher:
ISBN:
Category :
Languages : en
Pages : 98

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Relation of Nitrogen and Phosphorus in Ground Water to Land Use in Four Subunits of the Potomac River Basin

Relation of Nitrogen and Phosphorus in Ground Water to Land Use in Four Subunits of the Potomac River Basin PDF Author: Scott W. Ator
Publisher:
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Category : Groundwater
Languages : en
Pages : 36

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Publications of the Geological Survey

Publications of the Geological Survey PDF Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 390

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Rivers of North America

Rivers of North America PDF Author: Michael D. Delong
Publisher: Academic Press
ISBN: 0128188480
Category : Nature
Languages : en
Pages : 1109

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Rivers of North America, Second Edition features new updates on rivers included in the first edition, as well as brand new information on additional rivers. This new edition expands the knowledge base, providing readers with a broader comparative approach to understand both the common and distinct attributes of river networks. The first edition addressed the three primary disciplines of river science: hydrology, geomorphology, and ecology. This new edition expands upon the interactive nature of these disciplines, showing how they define the organization of a riverine landscape and its processes. An essential resource for river scientists working in ecology, hydrology, and geomorphology. - Provides a single source of information on North America's major rivers - Features authoritative information on more than 200 rivers from regional specialists - Includes full-color photographs and topographical maps to illustrate the beauty, major features, and uniqueness of each river system - Offers one-page summaries help readers quickly find key statistics and make comparisons among rivers

New Publications of the U.S. Geological Survey

New Publications of the U.S. Geological Survey PDF Author:
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ISBN:
Category : Geology
Languages : en
Pages : 74

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