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Resolving controversies surrounding carbon sinks from carbonate weathering

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Resolving controversies surrounding carbon sinks from carbonate weathering
The importance of carbonate weathering carbon sinks(CCSs)is almost equal to that of vegetation photosynthesis in the global carbon cycle.However,CCSs have become controversial in formulating carbon neutral policies to deal with global climate problems in various countries,since the carbonate dissolution is reversible.In order to address these controversies,we reviewed recent advances in understanding CCSs and examined the outstanding controversies surrounding them.We have analyzed the five controversies,revealing the existence of CCSs,quantifying their magnitude,clarifying their spatiotemporal pattern,and documenting how they have increased and how they evolved under the background of global change.By addressing these five controversies,we help to bring clarity to the role of CCSs in the carbon cycle of global terrestrial ecosystems.

Carbon sinkCarbonate weatheringCarbon cycleClimate changeAnthropogenic driver

Xiaoyong BAI、Sirui ZHANG、Pete SMITH、Chaojun LI、Lian XIONG、Chaochao DU、Yingying XUE、Zilin LI、Mingkang LONG、Minghui LI、Xiaoyun ZHANG、Shu YANG、Qing LUO、Xiaoqian SHEN

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State Key Laboratory of Environmental Geochemistry,Institute of Geochemistry,Chinese Academy of Sciences,Guiyang 550081,China

College of Resources and Environmental Engineering,Guizhou University Guiyang 550025,China

CAS Center for Excellence in Quaternary Science and Global Change,Xi'an 710061,China

University of Chinese Academy of Sciences,Beijing 100049,China

Institute of Biological and Environmental Sciences,University of Aberdeen,Aberdeen AB24 3UU,UK

School of Geography and Environmental Sciences,Guizhou Normal University,Guiyang 550025,China

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Carbon sink Carbonate weathering Carbon cycle Climate change Anthropogenic driver

2024

10.1007/s11430-024-1391-0

中国科学:地球科学(英文版)
中国科学院

中国科学:地球科学(英文版)

影响因子：1.002
ISSN：1674-7313
年,卷(期)：2024.67(9)