| KANG Xuming,LIU Sumei,ZHANG Guoling. 2014. Reduced inorganic sulfur in the sediments of the Yellow Sea and East China Sea. Acta Oceanologica Sinica, 33(9):100－108 |
| Reduced inorganic sulfur in the sediments of the Yellow Sea and East China Sea |
| 黄东海沉积物中的还原无机硫 |
| Received:February 28, 2013 Revised:September 13, 2013 |
| DOI：10.1007/s13131-014-0499-1 |
| Key words:acid volatile sulfide pyrite-S element sulfur sediment Yellow Sea East China Sea |
| 中文关键词: 酸可挥发性硫 黄铁矿硫 元素硫 沉积物 黄海 东海 |
| 基金项目:The National Basic Research Program (973 Program) of China under contract Nos 2010CB428901 and 2011CB409802; the National Natural Science Foundation of China under contract Nos 40925017 and 41221004. |
| Author Name | Affiliation | E-mail | | KANG Xuming | Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100, China | | | LIU Sumei | Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100, China | sumeiliu@ouc.edu.cn | | ZHANG Guoling | Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100, China | |
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| Abstract: |
| 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. |
| 中文摘要: |
| 运用冷扩散法对黄东海沉积物中的酸可挥发性硫（AVS）、黄铁矿硫（pyrite-S）和元素硫（ES）等三种形态的还原无机硫进行了分离和定量分析。结果表明，黄东海沉积物中酸可挥发性硫、黄铁矿硫和元素硫含量的最大值分别为25.02 μmol/g，113.1 μmol/g和44.4 μmol/g。黄铁矿硫是沉积物中硫化物的主要形态，而酸可挥发性硫的含量在研究区域的大部分站位较低。黄东海沉积物中硫化物形成的首要限制因素是有机质的含量和活性，铁限制和硫酸盐限制没有被观测到。沉积物中三态还原无机硫的含量呈现不规则的垂向分布特征，反映了沉积物组成、沉积速率等因素的综合影响。 |
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