A unique seasonal pattern in dissolved elemental mercury in the South China Sea, a tropical and monsoon-dominated marginal sea
作者： C. M. Tseng , C. H. Lamborg , S. C. Hsu
DOI: 10.1029/2012GL054457
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摘要: [1] A unique seasonal pattern in dissolved elemental mercury (DEM) was observed the tropical monsoon-dominated South China Sea (SCS). The DEM concentration varied seasonally, with a high summer of 160 ± 40 fM (net evasion 580 120 pmol m−2 d−1, n = 4) and low winter 60 30 fM invasion −180 110, showed positive correlation sea surface temperature (SST). elevated appears mainly abiologically driven. In winter, SCS acts as sink atmosphere Hg0 result SST wind year, enhanced vertical mixing, atmospheric gaseous mercury. Annually, serves source to 300 50 pmol m−2 d−1 (385 64 kmol Hg yr−1, ~2.6% global emission ~1% ocean area), suggesting regional Hg pollution impacts from surrounding Mainland (mostly China).
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