土柱淋洗实验研究进展及其在土壤有机碳迁移研究中的应用展望
Research Progress of Soil Column Leaching Experiment and Its Application Prospect in Soil Organic Carbon Migration
查看参考文献101篇
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文摘
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土壤碳库是陆地生态系统碳循环中重要的源与汇,其小幅的变化都将对大气CO_2含量造成巨大的反馈。全球约有1 500 Gt的有机碳储存在土壤中,土壤有机碳的迁移转化一直以来是学者们关注的热点问题。土柱淋洗实验在农业、林业、环境科学等研究领域广泛应用,并在土壤溶质运移模拟、土壤水文性质、重金属和污染物迁移转化等科学研究中取得了大量的研究成果。土柱淋洗实验的设计细节直接关乎实验结果的真实性,存在一些不容忽视的问题,例如大孔隙的数量、优先流的特征等。本文总结了目前国内外土柱淋洗实验研究的现状,讨论了一些土柱淋洗实验设计的常见问题,并在回顾前人土柱淋洗实验研究的基础上,对土柱淋洗实验在研究土壤有机质迁移转化的应用前景做出了展望。 |
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其他语种文摘
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Soil carbon pool is an important source and sink in the carbon cycle of terrestrial ecosystem, and its small change will cause huge feedback to atmospheric CO_2 content. About 1 500 Gt of organic carbon is stored in soil all over the world. The migration and transformation of soil organic carbon has been a hot topic for scholars. Soil column leaching experiment is widely used in agriculture, forestry, environmental science and other research fields, and has made a lot of achievements in solute transport simulation, soil hydrological properties, heavy metals and pollutant migration and transformation. The design details of the soil column leaching experiment are directly related to the authenticity of the experimental results. This paper summarized the present situation of soil column leaching experiment at home and abroad, discussed some common problems in the soil column leaching experiment design. Finally, the prospect of the application of soil column leaching experiment in the study of soil organic matter migration and transformation is put forward based on the review of previous researches. |
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来源
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地球与环境
,2021,49(1):106-114 【核心库】
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DOI
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10.14050/j.cnki.1672-9250.2020.48.096
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关键词
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土壤有机碳
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土壤柱
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土柱淋洗实验
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实验设计
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综述
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地址
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1.
中国科学院地球化学研究所, 贵阳, 550081
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中国科学院大学, 北京, 100049
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语种
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中文 |
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文献类型
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综述型 |
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ISSN
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1672-9250 |
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学科
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农业基础科学 |
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基金
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国家自然科学基金
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贵州省项目
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贵州省项目
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文献收藏号
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CSCD:6901000
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