Distribution of Changjiang Diluted Water detected by satellite chlorophyll-a and its interannual variation during 1998-2007
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Title
- Distribution of Changjiang Diluted Water detected by satellite chlorophyll-a and its interannual variation during 1998-2007
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Author(s)
- Kim, Hyun-Cheol; Yamaguchi, Hisashi; Yoo, Sinjae; Zhu, Jianrong; Okamura, Kazumaro; Kiyomoto, Yoko; Tanaka, Katsuhisa; Kim, Sang-Woo; Park, Taewook; Oh, Im Sang; Ishizaka, Joji
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Alternative Author(s)
- 유신재
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Publication Year
- 2009-02
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Abstract
- 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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ISSN
- 0916-8370
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/4339
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DOI
- 10.1007/s10872-009-0013-0
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Bibliographic Citation
- JOURNAL OF OCEANOGRAPHY, v.65, no.1, pp.129 - 135, 2009
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Publisher
- SPRINGER
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Subject
- EAST CHINA SEA; SEASONAL-VARIATION; GORGES DAM; RIVER
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Keywords
- Ocean color remote sensing; East China Sea; Yangtze River; Kuroshio; K-means clustering
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Type
- Article
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Language
- English
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Document Type
- Article
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