Surface Analysis of Chesapeake Bay Water Quality Response to Different Nutrient and Sediment Loads
Publication: Journal of Environmental Engineering
Volume 132, Issue 3
Abstract
Based on a set of Chesapeake Bay Estuarine Model (CBEM) scenarios, a three-dimensional response surface of a water quality index, such as chlorophyll concentration, versus a pair of loading constituents, e.g., nitrogen and phosphorus, is constructed. The responses of water quality, such as dissolved oxygen, chlorophyll, and water clarity, to nitrogen, phosphorus, and sediment loads are analyzed. From the response surface, a water quality response is estimated under loading conditions beyond that of a limited set of scenarios. Response surfaces may be used to determine the possible universe of nutrient and sediment load reductions needed to obtain a particular water quality standard and to examine the tradeoffs among nutrient and sediment load reductions that achieve the same water quality objective.
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Information & Authors
Information
Published In
Journal of Environmental Engineering
Volume 132 • Issue 3 • March 2006
Pages: 377 - 383
Copyright
© 2006 ASCE.
History
Received: May 7, 2004
Accepted: Jul 15, 2005
Published online: Mar 1, 2006
Published in print: Mar 2006
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