Distribution of Changjiang Diluted Water Detected by Satellite Chlorophyll-a and Its Interannual Variation during 1998-2007
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- Distribution of Changjiang Diluted Water Detected by Satellite Chlorophyll-a and Its Interannual Variation during 1998-2007
- S. Yoo
- East China Sea; K-means clustering; Kuroshio; Yangtze River; ocean color remote sensing
- Issue Date
- S. Yoo, et al. 2008. "Distribution of Changjiang Diluted Water Detected by Satellite Chlorophyll-a and Its Interannual Variation during 1998-2007". JOURNAL OF OCEANOGRAPHY, 65(1): 129-135.
- Sea-viewing Wide Field-of-view Sensor (SeaWiFS) chlorophyll-a distribution in summer in the East China Sea during 1998？2007 was analyzed. Statistical analysis with K-means clustering technique allowed us to define the proper satellite chlorophyll-a concentration indicating the Changjiang Diluted Water (CDW). The spatial distributions of the higher satellite chlorophyll-a concentrations (>0.48 mg m？3) corresponded well with the distributions of lower salinity CDW (<30？32) every year. Interannual variation of the CDW area, indicated by the high satellite chlorophyll-a, correlated with the interannual variation of the Changjiang summer freshwater discharge. The correlation analysis indicated that the CDW spread eastward in the East China Sea with a time lag of 1 to 2 months after the discharge.
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