An event-driven phytoplankton bloom in southern Lake Michigan observed by satellite

Sea‐viewing Wide Field‐of‐View Sensor (SeaWiFS) images from June 1998 show a surprising early summer phytoplankton bloom in southern Lake Michigan that accounted for approximately 25% of the lake's annual gross offshore algal primary production. By combining the satellite imagery with in situ m...

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Bibliographic Details
Published in:Geophysical research letters 2002-04, Vol.29 (8), p.67-1-67-4
Main Authors: Lesht, B. M., Stroud, J. R., McCormick, M. J., Fahnenstiel, G. L., Stein, M. L., Welty, L. J., Leshkevich, G. A.
Format: Article
Language:English
Subjects:
Algae
ENVIRONMENTAL SCIENCES
In situ measurement
LAKE MICHIGAN
LAKES
Outsourcing
PHYTOPLANKTON
SATELLITES
Sea-viewing Wide Field-of-view Sensor
WATER
Wind velocity
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Summary:Sea‐viewing Wide Field‐of‐View Sensor (SeaWiFS) images from June 1998 show a surprising early summer phytoplankton bloom in southern Lake Michigan that accounted for approximately 25% of the lake's annual gross offshore algal primary production. By combining the satellite imagery with in situ measurements of water temperature and wind velocity we show that the bloom was triggered by a brief wind event that was sufficient to cause substantial vertical mixing even though the lake was already stratified. We conclude that episodic events can have significant effects on the biological state of large lakes and should be included in biogeochemical process models.
ISSN:0094-8276
1944-8007
DOI:10.1029/2001GL013533