大气环境氮同位素示踪及生物监测
Nitrogen isotope as a tracer in atmospheric environment and bio-indicators
查看参考文献54篇
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文摘
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大气中氮的转化、迁移和沉降等大气过程与地表氮的生物地球化学循环密切相关.氮同位素对大气氮源和氮的大气化学过程的定量研究已引起广泛关注.本文对大气不同氮源的同位素特征、氮在大气过程中的同位素分馏机制以及如何定量化大气氮过程的方法进行了简要阐述,并介绍了苔藓氮同位素作为一种新的研究手段在示踪大气氮源和大气氮过程等方面取得的新进展.对国内开展的有关大气氮同位素以及苔藓氮同位素方面的工作进行了重点介绍. |
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其他语种文摘
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Atmospheric processes such as transfer, transformation and deposition of nitrogen are closely related to the biogeochemical cycle of nitrogen in the earth's surface. Nitrogen isotope as a tracer to determine nitrogen sources and to quantitatively study the atmospheric nitrogen processes is paid close attention to now. This paper briefly described the isotopic characteristics of potential nitrogen sources, the nitrogen isotope fractionation mechanism during atmospheric processes, and the methods of quantitatively studying the atmospheric nitrogen processes. As a new tool used to study nitrogen processes in the atmosphere, the new findings from nitrogen isotope in mosses was also introduced. Detailed introduction to the researches related to nitrogen isotope in the atmosphere and mosses conducted in China was emphasized in this paper. |
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来源
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地学前缘
,2010,17(2):417-424 【核心库】
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关键词
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氮同位素
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同位素分馏
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氮源
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大气氮沉降
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定量化估算
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苔藓
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地址
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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
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1005-2321 |
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学科
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地质学 |
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基金
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国家自然科学基金
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文献收藏号
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CSCD:3856294
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