Thermal Changes in Lake Superior Storage in 1976
Publication: Journal of Hydraulic Engineering
Volume 113, Issue 9
Abstract
Thermal change in lake storage between beginning‐of‐month (BOM) dates was calculated from joint volumetric and mass balances. Thermal change in storage was important in May and July because published data (5) indicate no change in lake storage during these months in 1976. For the remaining months, thermal change in storage peaked during the period of thermal stratification, when it accounted for over 10% of the change in storage. Thermal corrections to net basin supply (NBS) ranged from 30% to more than 100% when the NBS was less than thermal corrections to NBS when greater than were between 1% and 30%, and they averaged 8.5%. An error analysis indicated that a 0.4 °C error along the entire BOM temperature profile yielded an average error of 27% in the monthly thermal change in storage.
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References
1.
Assel, R. A., “Lake Superior Cooling Season Temperature Climatology,” NOAA Technical Memorandum ERL GLERL‐58, NOAA Great Lakes Environmental Research Laboratory, Ann Arbor, Mich., 1985.
2.
Assel, R. A., “Temperature Effects on Lake Superior Changes in Storage; A Case Study for 1976,” Open file report, NOAA Great Lakes Environmental Research Laboratory, Ann Arbor, Mich., 1986.
3.
Meredith, D. D., “Temperature Effects on Great Lakes Water Balance Studies,” Water Resources Bulletin, Vol. 11, No. 1, 1975, pp. 60–68.
4.
Quinn, F. H., and Guerra, B., “Current Perspectives on the Lake Erie Water Balance,” Journal of Great Lakes Research, Vol. 12, No. 2, 1986, pp. 109–116.
5.
Quinn, F. H., and Kelley, R. N., “Great Lakes Monthly Hydrologic Data,” NOAA Data Report ERL GLERL‐26, NOAA Great Lakes Environmental Research Laboratory, Ann Arbor, Mich., 1983.
6.
Selby, S., CRC Standard Mathematical Tables, 23rd ed., CRC Press, Inc., Cleveland, Ohio, 1974.
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Information
Published In
Journal of Hydraulic Engineering
Volume 113 • Issue 9 • September 1987
Pages: 1177 - 1181
Copyright
Copyright © 1987 ASCE.
History
Published online: Sep 1, 1987
Published in print: Sep 1987
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