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土壤无机碳研究进展 被引量:6

Research progress on soil inorganic carbon
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摘要 土壤碳库是陆地生态系统最大的碳库,在调节全球气候变化以及生态系统碳循环方面起重要的作用。土壤无机碳(Soil Inorganic Carbon,SIC)是土壤中的第二大碳库,仅次于土壤有机碳(Soil Organic Carbon,SOC),主要存在于干旱、半干旱地区。从土壤无机碳分布和影响因素、土壤固碳机理以及碳稳定同位素技术的应用等方面进行阐述,旨在强调土壤无机碳在全球气候变化和碳循环中的作用及地位。加强土壤无机碳在陆地生态系统中作用的研究,深入探究土壤无机碳循环过程,为正确判定陆地生态系统碳源汇功能提供参考。 Soil carbon pool is the largest carbon pool in terrestrial ecosystems.It plays a very important role in regulating global cli⁃mate change and ecosystem carbon cycle.Soil inorganic carbon(SIC)is the second largest carbon pool in the soil,second only to soil organic carbon(SOC),which mainly exists in arid and semi-arid areas.In this paper,the distribution and influencing factors of soil in⁃organic carbon,the mechanism of soil carbon sequestration and the application of carbon stable isotope technology are discussed,aim⁃ing to emphasize the role and status of soil inorganic carbon in global climate change and carbon cycle.We should strengthen the re⁃search on the role of soil inorganic carbon in terrestrial ecosystem,and deeply explore the cycling process of soil inorganic carbon,so as to provide reference for correctly determining the carbon source and sink function of terrestrial ecosystem.
作者 张永红 刘飞 钟松 ZHANG Yong-hong;LIU Fei;ZHONG Song(College of Life Sciences,Qinghai Normal University,Xining810000,China)
出处 《湖北农业科学》 2021年第10期5-9,14,共6页 Hubei Agricultural Sciences
关键词 土壤碳库 土壤无机碳 次生碳酸盐 稳定同位素 soil carbon pool soil inorganic carbon secondary carbonate stable isotope
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