The Influence Factors of Perennial Outbreak Algal Bloom in Xiangxi Bay Upstream

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Abstract:

To study the influence factors of perennial outbreak blooms in Xiangxi Bay (XXB) upstream, field data of Chlorophyll a (Chl.a) and TN and TP, and sediment concentration,2010. The result show: the Chl.a concentration is higher in XXB upstream, January until the end of September is particularly serious, XX10 Chl.a concentration was 227.84 mg/m3 in Feb.7, XX07 Chl.a concentration was 215.98 mg/m3 in June.2; the high levels of nutrient from upstream flow is the main cause of perennial outbreak blooms in XXB upstream, and at the same time, the slope density current and adverse slope density flow also have a great influence to it.

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February 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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