期刊
LIMNOLOGICA
卷 40, 期 1, 页码 8-15出版社
ELSEVIER GMBH, URBAN & FISCHER VERLAG
DOI: 10.1016/j.limno.2009.02.001
关键词
Microcystis bloom; Horizontal distribution; Wind; Lake currents; Taihu Lake
类别
资金
- Natural Science Foundation of China [40671068]
- State Key Fundamental Research and Development Program [2002CB412305]
The horizontal distribution of bloom-forming Microcystis in a specific lake area and the transport of Microcystis by wind-driven lake currents between Meiliang Bay and the open water of Taihu Lake were measured during continuous field observations from August 21 to 25, 2006. During the observations, the horizontal distributions of Microcystis, represented by Chlorophyll a, showed a clear concentration toward downwind lake areas. According to the lake currents and the Chl a concentrations on the boundary line between the Meiliang Bay and the open water, the transported Chl a was less than 2% of the total weight of Chl a in Meiliang Bay on August 22, 24 and 25. The results suggest that the horizontal distribution of the bloom-forming Microcystis was strongly affected by the wind conditions, and the wind-driven Microcystis accumulation was mainly determined by surface drift; the transport of Microcystis by lake currents was much less important in this large, shallow lake. (C) 2009 Elsevier GmbH. All rights reserved.
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