Distributions of dimethylsulfide in the Bohai sea and Yellow Sea of China |
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Authors: | Hu Min Tang Xiao-yan Li Jin-long Ma Qi-ju |
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Affiliation: | State Joint Key Laboratory of Environmental Simulation and Pollution Control Center for Environmental Sciences, Peking University, Beijing 100871, China |
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Abstract: | Dimethylsulfide (DMS) measurements in the surface seawater of China eastern coastline were conducted during March 9-10, 1993 in Bohai Sea along the cruise from Dalian to Tianjin and during September 24-25, 1994 in Yellow Sea along the cruise from Shanghai to Qingdao. On the cruise in Bohai Sea DMS concentrations varied from 0.11 to 2.63 nmol/L with an average of 1.31 nmol/L, while DMS flux was estimated to be 0.85 micromol/(m2 x d) with the range of 0.04-3.12 micromol/(m2 x d). On the cruise in Yellow Sea DMS concentrations varied from 0.95 to 7.48 nmol/L with an average of 2.89 nmol/L, and DMS flux was estimated to be 7.94 micromol/(m2 x d) with the range of 0.11-18.88 micromol/(m2 x d). Variations in DMS concentrations along the latitude in Yellow Sea were observed larger than those along the longitude in Bohai Sea. DMS concentrations and fluxes had a similar spatial trend both in Bohai Sea and Yellow Sea with the correlation coefficients of 0.75 and 0.64, respectively. |
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Keywords: | dimethylsulfide sea-to-air flux China Bohai Sea China Yellow Sea |
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