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硫酸参与喀斯特流域(北盘江)风化过程的碳同位素证据
CARBON ISOTOPIC EVIDENCE FOR THE INVOLVEMENT OF SULFURIC ACID IN CARBONATE WEATHERING OF BEIPAN RIVER CATCHMENT
查看参考文献10篇
文摘
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在碳酸盐岩地区,流域侵蚀过程中硫酸是否参与,对于我们正确理解流域化学风化速率,以及流域侵蚀对大气CO2的消耗和全球碳循环等都有重要的意义.本工作在前期工作(乌江)的基础上,对贵州喀斯特地区的河流(北盘江)和支流的水化学特征以及水体溶解无机碳同位素组成进行了初步研究,研究结果证实硫酸参与了该喀斯特流域岩石/土壤化学风化过工程. |
其他语种文摘
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It is important to ascertain the role of sulfuric acid in carbonate weathering so as to understand the chemical weathering rate carbonate rocks, CO2 consumption and global carbon cycle. This study deals with the chemical characteristics of water and carbon isotopic composition of dissolved inorganic carbon in the Beipan River catchment of Guizhou Province. The results show that sulfuric acid is an important species involved in carbonate rock/soil weathering in small typical karstic catchments. |
来源
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地球与环境
,2006,34(2):57-60 【核心库】
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关键词
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^δ13C
;
硫酸
;
Karst流域
;
风化
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地址
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1.
中国科学院地球化学研究所, 环境地球化学国家重点实验室, 贵州, 贵阳, 550002
2.
中国科学院地质与地球物理研究所, 北京, 100029
3.
Laboratoire de Geochimie et Cosmochimie, URA CNRS 1758, Institute de Physique du Globe, Université de Paris, France
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语种
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中文 |
文献类型
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研究性论文 |
ISSN
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1672-9250 |
学科
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环境科学基础理论 |
基金
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国家自然科学基金
;
国家科技部中法先进研究计划(PRA)
;
中国科学院知识创新工程重要方向项目
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文献收藏号
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CSCD:2427360
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