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Basin‐Wide Considerations for Water Quality Management: Importance of Phosphorus Retention by Reservoirs
Author(s) -
Kennedy Robert H.
Publication year - 1999
Publication title -
international review of hydrobiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.524
H-Index - 52
eISSN - 1522-2632
pISSN - 1434-2944
DOI - 10.1002/iroh.199900047
Subject(s) - phosphorus , water quality , structural basin , hydrology (agriculture) , drainage basin , environmental science , water retention , hydraulic retention time , residence time (fluid dynamics) , drainage , chemistry , ecology , geology , biology , environmental engineering , soil science , geography , geomorphology , soil water , geotechnical engineering , effluent , cartography , organic chemistry
The relationship between phosphorus retention (R P ) and water residence time (R T ) was assessed for selected U.S. Army Corps of Engineers reservoirs and found to be influenced by areal phosphorus loading rate (P L ). For reservoirs with high P L (>15 gm/m 2 /yr), R P increased markedly with modest increases in R T . Reservoirs with lower values of P L exhibited less dramatic responses in R P to changes in R T . The water quality management implications of this are great since reservoirs for which marked changes in R P can occur with modest changes in R T are potential management loci within a drainage basin.