
岩石有机碳风化及其控制因素
王野, 陈旸, 陈骏
岩石有机碳风化及其控制因素
Petrogenic organic carbon weathering and its controlling factors—a review
岩石有机碳为岩石地层中的有机碳,是地球上重要的碳储库。岩石有机碳的氧化、风化过程向大气排放二氧化碳,是地质碳循环过程的关键环节,对维持地球长尺度碳平衡以及表层环境的长期宜居性有重要意义。近年来,岩石有机碳氧化、风化过程的研究取得了显著发展,相关研究已经从剖面拓展到流域尺度,定量方法也在日益精确。本文系统综述了近些年国内外针对岩石有机碳自身结构性质、风化速率定量方法、控制因素和风化通量统计等问题的研究现状,以期对全球范围内岩石有机碳风化在研究地质碳循环过程中的关键性和当前进展及发展趋势有更加系统性的认识,并对相应的关键性科学问题进行更加深入系统的研究。
Petrogenic-derived organic carbon is an important carbon storage on Earth. Oxidation of petrogenic organic carbon releases carbon dioxide into the atmosphere—a key process in the geological carbon cycle. This process is of great significance for maintaining long-scale carbon balance on Earth and long-term habitability of the Earth’s surface environment. In recent years, research advancement has been made on petrogenic organic carbon weathering. This paper systematically reviews the current research status at home and abroad, focusing on carbon structural properties, quantitative methods for weathering rate, weathering controlling factors, and weathering flux statistics, in order to improve systematic understanding of petrogenic organic carbon and promote in-depth research on related key scientific issues.
petrogenic organic carbon / geological carbon cycle / continental weathering / rhenium geochemistry
P512.1;P595;X142
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