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Main Title Open Lake Water Quality Conditions for Lake Erie's Western, Central and Eastern Basins, 1986.
Author Fay, L. A. ; Kundtz, H. E. ; Rathke, D. E. ;
CORP Author Ohio State Univ., Columbus. Center for Lake Erie Area Research.;Environmental Protection Agency, Chicago, IL. Great Lakes National Program Office.
Year Published 1988
Report Number CLEAR/TR-317; EPA-R-005892;
Stock Number PB88-230610
Additional Subjects Water quality ; Lake Erie ; Water analysis ; Phosphorus ; Trends ; Water pollution ; Seasonal variations ; Tables(Data) ; Surveys ; Dissolved gases ; Environmental monitoring ; Water quality data ; Eutrophication
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NTIS  PB88-230610 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 288p
Abstract The 1986 Lake Erie open lake surveillance/monitoring program followed the plan recommended and sanctioned by the Water Quality Board of the International Joint Commission, Great Lakes Regional Office. The study included twelve western basin, six central and three eastern basin surveys. Several conventional physical and chemical parameters were measured on all surveys. The western basin data set has the greatest seasonal coverage, spanning from April through November. Based upon total phosphorus, chlorophyll and secchi transparency, the western basin is classified as eutrophic. The central basin epilimnion was similar in nutrient concentration and trophic classification (mesotrophic) as was reported for 1985. Seasonal median total phosphorus and chlorophyll concentrations were 13 ug/1 and 2 ug/l respectively. In contast with 1985, the central basin hypolimnion was not found to have gone anoxic. However, the oxygen depletion rate was 4.7 mg/l/month, the highest rate calculated in recent years. Only limited seasonal information was collected for the eastern basin during the 1986 field season. Based upon the available information, phosphorus and chlorophyll concentrations were similar to those recorded in previous studies.
Supplementary Notes See also PB87-213088. Portions of this document are not fully legible. Sponsored by Environmental Protection Agency, Chicago, IL. Great Lakes National Program Office.
NTIS Title Notes Technical rept. (Final).
PUB Date Free Form Jan 88
Category Codes 68D; 48G
NTIS Prices PC A13/MF A01
Primary Description 905/00
Document Type NT
Cataloging Source NTIS/MT
Control Number 827419582
Origin NTIS
Type CAT