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滨海湿地环境中微塑料表面性质及形貌变化 期刊论文
科学通报, 2021, 卷号: 66, 期号: 13, 页码: 1580-1591
作者:  周倩;  涂晨;  张晨捷;  章海波;  付传城;  李远;  李连祯;  熊宽旭;  徐笠;  骆永明
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微塑料  盐沼  红树林  海岸带湿地  定位试验  表面变化  
环境中微塑料研究进展与展望 期刊论文
科学通报, 2021, 卷号: 66, 期号: 13, 页码: 1547-1562
作者:  骆永明;  施华宏;  涂晨;  周倩;  季荣;  潘响亮;  徐向荣;  吴辰熙;  安立会;  孙晓霞;  何德富;  李艳芳;  马旖旎;  李连祯
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微塑料  环境介质  环境行为  生态风险  
安徽花山尾矿库溃坝污染农田土壤中As、Sb的释放及垂向迁移特征 期刊论文
环境化学, 2020, 卷号: 39, 期号: 9, 页码: 2479-2489
作者:  蔡永兵;  邵俐;  范行军;  李飞跃;  孟凡德;  张华
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矿区  农田土壤  释放迁移  
烟台夹河口外柱状沉积物还原性无机硫、活性铁的变化特征及其相互关系 期刊论文
海洋科学, 2018, 卷号: 42, 期号: 8, 页码: 90-97
作者:  姜明;  赵国强;  李兆冉;  盛彦清
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还原性无机硫  活性铁  深层柱状沉积物  硫化度  矿化度  Reduced inorganic sulfur  Reactive iron  Deep core sediments  Degree of pyritization  Degree of sulfidity  The distribution characteristics and coupling mechanism of reduced inorganic sulfur (RIS)and reactive iron in marine core sediments are closely related to the evolution of environment quality.In this study,an improved cold diffusion method and hydrochloric acid extraction method were applied to the acid-volatile sulfur (AVS),pyrite sulfur (CRS),elemental sulfur (ES),and reactive iron [Fe (Ⅱ)and Fe (III)] analyses.The distribution characteristics and coupling mechanism of S and Fe were investigated based on a core sediment 4 meters deep collected in the northern sea area of the mouth of Jiahe River,Yantai.The results showed that the RIS in sediments was dominated by CRS,followed by AVS and ES.The content of AVS presented a narrow range with depth,whereas the CRS and ES were higher at the top and bottom layers than the middle layer  reactive iron was dominated by Fe (II),which increased with depth,while Fe (Ⅲ)gradually decreased with depth.Most of the Fe (III)was reduced to the disssolved Fe(II),which was combined with the soluble H_2S of the sulfate-reducing bacteria to produce CRS and ES in the deep layer,resulting in their accumulation at the bottom of core sediments.Furthermore,this study showed that reactive iron was not a limiting factor for the accumulation of RIS with lower degree of pyritization and degree of sulfidity.