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DOI	10.1016/j.scitotenv.2021.147706
	The responses of weathering carbon sink to eco-hydrological processes in global rocks
	Xi, Huipeng; Wang, Shijie; Bai, Xiaoyong; Tang, Hong; Luo, Guangjie; Li, Huiwen; Wu, Luhua; Li, Chaojun; Chen, Huan; Ran, Chen; Luo, Xuling
通讯作者	Bai, XY (corresponding author), Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, 99 Lincheng West Rd, Guiyang 550081, Guizhou, Peoples R China.
来源期刊	SCIENCE OF THE TOTAL ENVIRONMENT
ISSN	0048-9697
EISSN	1879-1026
出版年	2021
卷号	788
英文摘要	Eco-hydrological processes affect the chemical weathering carbon sink (CS) of rocks. However, due to data quality limitations, the magnitude of the CS of rocks and their responses to eco-hydrological processes are not accurately understood. Therefore, based on Global Erosion Model for CO2 fluxes (GEM-CO2 model), hydrological site data, and multi-source remote sensing data, we produced a 0.05 degrees & times; 0.05 degrees resolution dataset of CS for 11 types of rocks from 2001 to 2018. The results show that the total amount of CS of global rocks is 0.32 +/- 0.02 Pg C, with an average flux of 2.7 t C km & minus;2 yr & minus;1, accounting for 53% and 3% of the missing carbon sink and fossil fuel emissions, respectively. This is 23% higher than previous research results, which may be due to the increased resolution. Although about 60% of the CS of global rocks are in a stable state, there are obvious differences among rocks. For example, the CS of carbonate rocks exhibited a significant increase (0.30 Tg C/yr), while the CS of siliceous clastic sedimentary rocks exhibited a significant decrease (& minus;0.06 Tg C/yr). Although temperature is an important factor affecting the CS, the proportion of soil moisture in arid and temperate climate zones is higher (accounting for 24%), which is 3.6 times that of temperature. Simulations based on representative concentration pathways scenarios indicate that the global CS of rocks may increase by about 28% from 2050 to 2100. In short, we produced a set of high-resolution datasets for the CS of global rocks, which makes up for the lack of datasets in previous studies and improves our understanding of the magnitude and spatial pattern of the CS and its responses to eco-hydrological processes. (c) 2021 Elsevier B.V. All rights reserved.
英文关键词	Rock chemical weathering Eco-hydrology Global change Big data
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000662645700009
WOS关键词	CO2 CONSUMPTION ; CHEMICAL EROSION ; ATMOSPHERIC CO2 ; RATES ; CHEMISTRY
WOS类目	Environmental Sciences
WOS研究方向	Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/368447
作者单位	[Xi, Huipeng; Wang, Shijie; Bai, Xiaoyong; Li, Huiwen; Wu, Luhua; Li, Chaojun; Chen, Huan; Ran, Chen; Luo, Xuling] Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, 99 Lincheng West Rd, Guiyang 550081, Guizhou, Peoples R China; [Xi, Huipeng; Tang, Hong] Chinese Acad Sci, Ctr Lunar & Planetary Sci, Inst Geochem, Guiyang, Peoples R China; [Xi, Huipeng; Wu, Luhua; Li, Chaojun] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Wang, Shijie] Chinese Acad Sci, Puding Karst Ecosyst Observat & Res Stn, Puding 562100, Guizhou, Peoples R China; [Bai, Xiaoyong] CAS Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Shaanxi, Peoples R China; [Chen, Huan; Ran, Chen] Guizhou Normal Univ, Sch Geog & Environm Sci, Guiyang 550001, Peoples R China; [Bai, Xiaoyong; Luo, Guangjie; Luo, Xuling] Guizhou Educ Univ, Guizhou Prov Key Lab Geog State Monitoring Waters, Guiyang 550018, Peoples R China
推荐引用方式 GB/T 7714	Xi, Huipeng,Wang, Shijie,Bai, Xiaoyong,et al. The responses of weathering carbon sink to eco-hydrological processes in global rocks[J],2021,788.
APA	Xi, Huipeng.,Wang, Shijie.,Bai, Xiaoyong.,Tang, Hong.,Luo, Guangjie.,...&Luo, Xuling.(2021).The responses of weathering carbon sink to eco-hydrological processes in global rocks.SCIENCE OF THE TOTAL ENVIRONMENT,788.
MLA	Xi, Huipeng,et al."The responses of weathering carbon sink to eco-hydrological processes in global rocks".SCIENCE OF THE TOTAL ENVIRONMENT 788(2021).