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Temporal and Spatial Variability of Chlorophyll a in the Northern East China Sea using Ocean Color Images in Summer


Temporal and spatial variabilities of chlorophyll a (Chl-a) in the northern East China Sea (ECS) are described, using both 8-day composite images of the SeaWiFS (Sea-viewing Wide Field-of-view Sensor) and in-situ data investigated in August and September during 2000-2005. Ocean color imagery showed that Chl-a concentrations on the continental shelf within the 50 m depth in the ECS were above 10 times higher than those of the Kuroshio area throughout the year. Higher concentrations (above $5mg/m^3$) of yearly mean Chl-a were observed along the western part of the shelf near the coast of China. The standard deviation also showed the characteristics of the spatial variability near $122-124^{\circ}E$, where the western region of the East China Sea was grater than that of the eastern region. Particularly the significant concentration of Chl-a, up to $9mg/m^3$, was found at the western part of $125^{\circ}E$ in the in-situ data of 2002. The higher Chl-a concentrations of in-situ data were consistent with low salinity waters of below 30 psu. It means that there were the close relationship between the horizontal distribution of Chl-a and low salinity water.

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이 논문을 인용한 문헌 (2)

  1. Kim, Sang-Woo ; Jeong, Hee-Dong 2009. "M/T Herbei Sprit Oil Spill Area Monitoring Using Multiple Satellite Data" 海洋環境安全學會誌 = Journal of the Korean society of marine environment & safety, 15(4): 283~288 
  2. Kim, Eung ; Ro, Young-Jae ; Jeon, Dong-Chull 2010. "Application of SeaWiFS Chlorophyll-a Ocean Color Image for estimating Sea Surface Currents from Geostationary Ocean Color Imagery (GOCI) data" 대한원격탐사학회지 = Korean journal of remote sensing, 26(2): 209~220 


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