Research Article
Dec 1976
Wind Control of Algae Growth in Eutrophic Lakes
Publication: Journal of the Environmental Engineering Division
Volume 102, Issue 6
Abstract
In eutrophic lakes, light and turbulent mixing near the water surface often controls the actual occurrence and disappearance of algal blooms. While nutrients provide necessary materials for a high growth potential, light and mixing provide energetic controls. An expression for an equilibrium phytoplankton concentration supportable under given physical conditions is provided. Loss of phytoplankton mass, e.g., by respiration or grazing, is included. For illustrations, time variable phytoplankton concentrations are computed on a daily timescale and as a function of insolation, mixed layer depth for a very eutrophic lake from April-October with a constant set of coefficients for the whole season. The length of the growth season, time variable phytoplankton concentrations in the mixed layer, and other features of the biomass are well predicted. Daily mixed layer depths are computed for input from weather and lake morphological data.
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Information
Published In
Journal of the Environmental Engineering Division
Volume 102 • Issue 6 • December 1976
Pages: 1201 - 1213
Copyright
© 1976 American Society of Civil Engineers.
History
Published in print: Dec 1976
Published online: Feb 11, 2021
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Authors
Affiliations
Heinz G. Stefan, M.ASCE
Assoc. Prof., Dept. of Civ. and Mineral Engrg., St.Anthony Falls Hydr. Lab., Univ. of Minnesota, Minneapolis, Minn.
Robert O. Megard
Assoc. Prof., Dept. of Ecology and Behavioral Biology, Univ. of Minnesota, Minneapolis, Minn.
Timothy Skoglund
Design Engr., Barr Engrg. Co., Minneapolis, Minn., formerly, Grad. Student, Univ. of Minnesota, Minneapolis, Minn.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.