Reduced inorganic sulfur in the sediments of the Yellow Sea and East China Sea

被引：0
作者：
Xuming Kang
Sumei Liu
Guoling Zhang
机构：
[1] Ocean University of China,Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education
来源：
Acta Oceanologica Sinica | 2014年 / 33卷
关键词：
acid volatile sulfide; pyrite-S; element sulfur; sediment; Yellow Sea; East China Sea;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Cold diffusion methods are used to separate and quantify the three reduced inorganic sulfur species into acid volatile sulfide (AVS), pyrite-S and element sulfur (ES) in the sediments of the Yellow and East China Seas. The results show that up to 25.02 μmol/g of AVS, 113.1 μmol/g of pyrite-S and 44.4 μmol/g of ES are observed in the sediments of the Yellow Sea and East China Sea. Pyrite-S is the predominant sulfide mineral in the sediments, while the concentration of AVS is quite low at most stations in the study area. The amounts and reactivity of organic matter are the primary limited factor for the sulfide formation, while an iron limitation and a sulfate limitation are not observed in the sediments of the Yellow Sea and East China Sea. The irregular profiles of the three reduced inorganic sulfur species also reflected the comprehensive influence of sediment composition and sedimentation rates.
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页码：100 / 108
页数：8
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