Abstract
Qingdao coastal water is an important area that provides with traveling, mariculture, etc. On the basis on MODIS satellite remote sensing data from July 2002 to June 2014, the spatial-temporal variation of Chlorophyll-a concentration in Qingdao coastal area are presented, and the results show that, an obvious decrease of Chlorophyll-a concentration from offshore to onshore in a pattern parallel to the coastal line is revealed. The monthly mean Chl-a concentration is the lowest outside the Jiaozhou Bay, the highest in the bay in summer, and the lowest in the bay, the highest in the bay mouth in winter. The variation of yearly average Chl-a concentration shows that it keeps the volatility in the bay and the bay mouth, but slowly rising outside the bay. The temporal and spatial features of the Chl-a concentration in the Qingdao coastal area were affected by the variations of the marine environmental factors, such as light, nutrients, ocean currents, sea surface temperature, mixed layer depth, also related with ingestion of zooplankton and so on.
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