Based on the published data during 2005 to 2015, the spatial and temporal variation of sea surface DMS and chlorophyll a (Chl-a) was discussed in the Yellow Sea and the East China Sea. DMS and Chl-a concentration in summer were higher than those during winter, and annual concentration of DMS and Chl-a rose from south to north, and the seasonal variation of DMS and Chl-a concentration got bigger with an increase of latitude. Statistical analysis showed that Chl-a had an exponential relation with DMS concentration during spring and summer, while there was a linear relationship during winter. And under conditions of different Chl-a concentration levels, the impact of temperature on DMS concentration were different. A multivariate statistical model was established in this work, in which the sea surface temperature and the surface Chl-a concentration was used to estimate the surface DMS concentration. The DMS concentration rose with the increase of the Chl-a concentration. The DMS concentration was relatively high within a range of temperature with the central temperature of 21.31℃, and the higher the Chl-a concentration was, the narrower the range of temperature could be.
沈家葳, 赵亮, 王思佳, 李亚贤. 黄、东海二甲基硫与环境因子的多元分析及建模[J]. 中国环境科学, 2019, 39(6): 2514-2522.
SHEN Jia-wei, ZHAO Liang, WANG Si-jia, LI Ya-xian. Multivariate analysis between dimethylsulfide and environmental factors and modeling in the Yellow Sea and the East China Sea. CHINA ENVIRONMENTAL SCIENCECE, 2019, 39(6): 2514-2522.
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