Chemistry of Chesapeake Bay Sediments PDF Download
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Author: David Kenneth Young
Publisher:
ISBN:
Category : Chesapeake Bay (Md. and Va.)
Languages : en
Pages : 76
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Book Description
Author: David Kenneth Young
Publisher:
ISBN:
Category : Chesapeake Bay (Md. and Va.)
Languages : en
Pages : 76
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Book Description
Author:
Publisher:
ISBN:
Category : Marine sediments
Languages : en
Pages : 172
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Book Description
Author: Owen P. Bricker
Publisher:
ISBN:
Category : Marine sediments
Languages : en
Pages : 76
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: S. Y. Tyree
Publisher:
ISBN:
Category : Chesapeake Bay (Md. and Va.)
Languages : en
Pages :
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Book Description
Author: S. Ian Hartwell
Publisher:
ISBN:
Category : Aquatic organisms
Languages : en
Pages : 215
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Book Description
"This report summarizes the results of NOAA's sediment toxicity, chemistry, and benthic community studies in the Chesapeake Bay estuary. As part of the National Status and Trends (NS&T) Program, NOAA has conducted studies to determine the spatial extent and severity of chemical contamination and associated adverse biological effects in coastal bays and estuaries of the United States since 1991. Sediment contamination in U.S. coastal areas is a major environmental issue because of its potential toxic effects on biological resources and often, indirectly, on human health. Thus, characterizing and delineating areas of sediment contamination and toxicity and demonstrating their effect(s) on benthic living resources are viewed as important goals of coastal resource management. Benthic community studies have a history of use in regional estuarine monitoring programs and have been shown to be an effective indicator for describing the extent and magnitude of pollution impacts in estuarine ecosystems, as well as for assessing the effectiveness of management actions"--Executive Summary.
Author: Edward P. Meisburger
Publisher:
ISBN:
Category : Geomorphology
Languages : en
Pages : 472
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Book Description
Author:
Publisher:
ISBN:
Category : Chesapeake Bay (Md. and Va.)
Languages : en
Pages : 2
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Author: Eugene J. Olmi
Publisher:
ISBN:
Category : Environmental engineering
Languages : en
Pages : 188
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Book Description
Author: J. R. Schubel
Publisher:
ISBN:
Category : Chesapeake Bay (Md. and Va.).
Languages : en
Pages : 86
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Book Description
An assessment of the physical and chemical conditions of the Chesapeake Bay estuarine system indicates: (1) that there are marked natural spatial and temporal variations of temperature, that man has in local areas, had a measurable effect on the temperature distribution, but that the present inputs of heated waters from power plants do not pose a threat to the Bay; (2) that there are large natural spatial and temporal variations of salinity, and that man has had almost no effect on the salinity distribution; (3) that man's activities have increased the frequency, duration, and extent of low oxygen zones in the upper reaches of a number of the tributaries; (4) that man's activities have resulted in large inputs of nutrients which have produced undesirable conditions in a number of the tributaries, but that the nutrient levels in the main body of the Bay are at an acceptable level; (5) that the Bay is being rapidly filled with sediments, and that the fine-grained sediments have a number of deleterious indirect effects on the ecology of the Bay; and (6) that there are large natural variations in the distributions of heavy metals, and suggests that levels have probably always been relatively high. (Author).
