The Influence of Ground Water on Nitrogen Delivery to the Chesapeake Bay PDF Download
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Author: Scott W. Phillips
Publisher:
ISBN:
Category : Electronic government information
Languages : en
Pages : 6
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Book Description
Author: Scott W. Phillips
Publisher:
ISBN:
Category : Electronic government information
Languages : en
Pages : 6
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Book Description
Author: Scott W. Phillips
Publisher:
ISBN:
Category : Groundwater
Languages : en
Pages : 5
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Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category : Groundwater
Languages : en
Pages : 218
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Book Description
Author: Scott W. Phillips
Publisher:
ISBN:
Category : Chesapeake Bay Watershed
Languages : en
Pages : 6
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Book Description
Author: Gary K. Speiran
Publisher:
ISBN:
Category : Aquifers
Languages : en
Pages : 6
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Author: Scott W. Ator
Publisher: Geological Survey (USGS)
ISBN: 9781411332621
Category : Chesapeake Bay Watershed
Languages : en
Pages : 27
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Book Description
Spatially Referenced Regression on Watershed Attributes (SPARROW) was used to provide empirical estimates of the sources, fate, and transport of total nitrogen (TN) and total phosphorus (TP) in the Chesapeake Bay watershed, and the mean annual TN and TP flux to the bay and in each of 80,579 nontidal tributary stream reaches. Restoration efforts in recent decades have been insufficient to meet established standards for water quality and ecological conditions in Chesapeake Bay. The bay watershed includes 166,000 square kilometers of mixed land uses, multiple nutrient sources, and variable hydrogeologic, soil, and weather conditions, and bay restoration is complicated by the multitude of nutrient sources and complex interacting factors affecting the occurrence, fate, and transport of nitrogen and phosphorus from source areas to streams and the estuary. Effective and efficient nutrient management at the regional scale in support of Chesapeake Bay restoration requires a comprehensive understanding of the sources, fate, and transport of nitrogen and phosphorus in the watershed, which is only available through regional models. The current models, Chesapeake Bay nutrient SPARROW models, version 4 (CBTN_v4 and CBTP_v4), were constructed at a finer spatial resolution than previous SPARROW models for the Chesapeake Bay watershed (versions 1, 2, and 3), and include an updated timeframe and modified sources and other explantory terms.
Author: Scott W. Ator
Publisher:
ISBN:
Category : Groundwater
Languages : en
Pages : 36
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Author: E. Randolph McFarland
Publisher:
ISBN:
Category : Groundwater
Languages : en
Pages : 32
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Book Description
Author: Matthew J. Ferrari
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 8
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