State of the Middle Great Lakes: results of the 1983 water quality survey of Lakes Erie, Huron, and Michigan
Results and program objewaatertives are discussed in the context of past and proposed lake surveillance activities. Surveillance methods are briefly explained. Data are evaluated and compared relative to spatial, temporal and seasonal variability within and between the three lakes sampled and in relation to water-quality assessment issues. Survey results and historical data on water-quality parameters are compared with the results of numerical simulations using two different types of model - nutrient-based eutrophication models and multisegment, mass-balance models. The authors conclude, on the basis of the 1983 surveillance program results, that water-quality conditions of the three lakes have, in general, improved since the last intensive survey in the 1970s. Recommendations are made that open-lake water-quality surveillance be conducted on an annual basis; that estimates of nutrient loading to the lakes be refined; that the role of the benthic nepheloid layer and of particle removal in general on the cycling of nutrients in the Great Lakes be studied; that refinement of water-quality modeling efforts be continued; and that research activities and methodology be incorporated into the surveillance program. Finally, raw data collected during the 1983 program are presented in tabular form and on microfiche in appendices at the end of the report. Cruise data are included on microfiche. 53 refs., 54 figs., 43 tabs.
- Research Organization:
- Argonne National Lab., IL (USA)
- DOE Contract Number:
- W-31-109-ENG-38
- OSTI ID:
- 5446845
- Report Number(s):
- ANL/ER-85-2; ON: DE85017140
- Resource Relation:
- Other Information: Portions of this document are illegible in microfiche products. Original copy available until stock is exhausted. Includes 1 sheet of 48x reduction microfiche
- Country of Publication:
- United States
- Language:
- English
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FEDERAL REGION V
WATER QUALITY
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ACID NEUTRALIZING CAPACITY
CHLORINE
ELECTRIC CONDUCTIVITY
EXPERIMENTAL DATA
LAKE ERIE
LAKE HURON
LAKE MICHIGAN
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ELEMENTS
ENVIRONMENTAL QUALITY
GREAT LAKES
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NITROGEN COMPOUNDS
NONMETALS
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OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
PLANKTON
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