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A dissolved oxygen budget model for Lake Erie in summer
Author(s) -
PATTERSON J. C.,
ALLANSON B. R.,
IVEY G. N.
Publication year - 1985
Publication title -
freshwater biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.297
H-Index - 156
eISSN - 1365-2427
pISSN - 0046-5070
DOI - 10.1111/j.1365-2427.1985.tb00242.x
Subject(s) - water column , environmental science , anoxic waters , mixing (physics) , sediment , hydrology (agriculture) , oxygen , structural basin , vertical mixing , hypolimnion , wind speed , oceanography , atmospheric sciences , geology , ecology , geomorphology , eutrophication , chemistry , nutrient , biology , physics , geotechnical engineering , organic chemistry , quantum mechanics
SUMMARY.1 In this paper we extend a vertical mixing model of Lake Erie with an oxygen budget model. The model was tested against data gathered in the summers of 1979 and 1980 with good results, showing that it is capable of simulating vertical distributions of temperature and dissolved oxygen over relatively short time periods. 2 The results underline the importance of turbulent mixing in distributing oxygen throughout the water column in the Central Basin of the lake. In addition, the results indicate that production and respiration processes dominate the budget under the influence of low wind speeds, while surface fluxes dominate during periods of high wind. 3 Bottom mixing delays the onset of anoxic conditions at the sediment/water interface by distributing the sediment demand over the 5–6 m depth of the bottom mixed layer.