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浏览/检索结果: 共22条,第1-10条 帮助

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冲绳海槽南部热液区附近柱状沉积物中微生物的垂直分布多样性及其对环境因子的响应 CNKI期刊论文  OAI收割
2023
作者:  
邓兴渝;  曹文瑞;  姜明玉;  曾志刚;  常凤鸣
  |  收藏  |  浏览/下载:14/0  |  提交时间:2024/12/18
深海超长沉积物柱状取样系统关键技术优化及应用 CNKI期刊论文  OAI收割
2022
作者:  
张建兴;  栾振东;  卢新亮;  连超;  张鑫
  |  收藏  |  浏览/下载:5/0  |  提交时间:2024/12/18
胶州湾海域甲藻孢囊的分布研究 学位论文  OAI收割
: 南海海洋研究所, 2019
作者:  
李影
  |  收藏  |  浏览/下载:61/0  |  提交时间:2020/09/04
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  OAI收割
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
  |  收藏  |  浏览/下载:27/0  |  提交时间:2020/07/08
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.  
厦门西港潮间带柱状沉积物重金属赋存形态与污染评价 期刊论文  OAI收割
地球与环境, 2017, 期号: 3, 页码: 342-347
作者:  
韩璐;  于瑞莲;  胡恭任;  杨秋丽;  何海星
  |  收藏  |  浏览/下载:29/0  |  提交时间:2018/12/14
渤海湾百年来沉积物Li/Ba和Rb/Sr协同变化的地球化学特征与环境指示作用 CNKI期刊论文  OAI收割
2014
作者:  
宋金明;  徐亚岩;  段丽琴
  |  收藏  |  浏览/下载:0/0  |  提交时间:2024/12/18
黑碳在渤海泥质区的百年沉积记录 期刊论文  OAI收割
海洋学报, 2014, 卷号: 36, 期号: 5, 页码: 98-106
作者:  
方引;  陈颖军;  林田;  田崇国;  潘晓辉;  唐建辉
  |  收藏  |  浏览/下载:17/0  |  提交时间:2019/07/31
黑碳在渤海泥质区的百年沉积记录 期刊论文  OAI收割
海洋学报, 2014, 卷号: 36, 期号: 5, 页码: 98-106
作者:  
唐建辉
收藏  |  浏览/下载:35/0  |  提交时间:2015/07/30
烟台四十里湾柱状沉积物氮形态地球化学特征 期刊论文  OAI收割
环境科学, 2012, 卷号: 33, 期号: 10, 页码: 3449-3456
杨玉玮; 高学鲁; 李培苗
收藏  |  浏览/下载:28/0  |  提交时间:2013/03/08
四十里湾附近海域柱状沉积物中的黑碳研究 期刊论文  OAI收割
海洋环境科学, 2011, 卷号: 30, 期号: 4, 页码: 30
王允周; 高学鲁; 杨玉玮
收藏  |  浏览/下载:20/0  |  提交时间:2011/11/11
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