Glacial-interglacial variation in catchment weathering and erosion paces the Indian summer monsoon during the Pleistocene

doi:10.1016/j.quascirev.2020.106619

IEECAS OpenIR

	Glacial-interglacial variation in catchment weathering and erosion paces the Indian summer monsoon during the Pleistocene
	Jin, Zhangdong 1,2,3; Yu, Jimin 4,5; Zhang, Fei 1,2; Qiang, Xiaoke1,2
通讯作者	Jin, Zhangdong(zhdjin@ieecas.cn)
	2020-11-15
发表期刊	QUATERNARY SCIENCE REVIEWS
ISSN	0277-3791
卷号	248 页码:13
摘要	Silicate weathering via CO2 consumption is considered to regulate the long-term climate change. Discriminating silicate versus carbonate weathering from sedimentary records is helpful to understand the coupling relationship between weathering and past climate. However, owing to the paucity of welldated and continuous records of weathering and erosion, the relationship between silicate and carbonate weathering and their links with mountain uplift and glacial-interglacial climate remain elusive. Geochemical analysis of a 666 m core from the Heqing basin, a paleolake situated at the southeastern margin of the Tibetan Plateau, demonstrates silicate versus carbonate weathering and erosion changes under Indian summer monsoon (ISM) conditions spanning the entire Pleistocene, via respective tracing between Rb/Sr and Al/Na ratios. The Rb/Sr record is interpreted as reflecting a competition between clayey silicate-origin Rb versus carbonate-origin Sr fluxes, whereas Al/Na ratio is a balance between weathering and erosion of silicate minerals, both pacing the glacial-interglacial cycles of the ISM. During interglacials, strong silicate weathering intensity reflected by low Al/Na values is mainly controlled by warmer temperatures, with the reduced variability during 1.82-0.92 Ma, recalling the pacing of the Arabian Sea surface temperature amplitudes. Within glacials, the weak carbonate leaching and clay erosion within the older and younger intervals are interrupted by strong clay erosion within the middle interval. In conclusion, the Heqing Rb/Sr and Al/Na records reveal the sensitivity of catchment weathering and erosion to ISM changes over glacial-interglacial timescales with warmer temperature enhancing silicate weathering and clay formation during interglacials and greater physical erosion during glacials. (C) 2020 Elsevier Ltd. All rights reserved.
关键词	Weathering Erosion Indian summer monsoon Glacial-interglacial cycle The Pleistocene Heqing Yunnan
DOI	10.1016/j.quascirev.2020.106619
关键词[WOS]	CLIMATE-CHANGE ; ATMOSPHERIC CO2 ; ASIAN MONSOON ; MASS-BALANCE ; DEEP-SEA ; RATES ; ISOTOPE ; CARBON ; OCEAN ; SEDIMENT
收录类别	SCI ; SCI
语种	英语
资助项目	CAS Strategic Priority Research Program[XDA2007010202] ; NSFC[41991322]
WOS研究方向	Physical Geography ; Geology
项目资助者	CAS Strategic Priority Research Program ; NSFC
WOS类目	Geography, Physical ; Geosciences, Multidisciplinary
WOS记录号	WOS:000582803000028
出版者	PERGAMON-ELSEVIER SCIENCE LTD
引用统计	被引频次：12[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ieecas.cn/handle/361006/15498
专题	中国科学院地球环境研究所
通讯作者	Jin, Zhangdong
作者单位	1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China 2.CAS Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Peoples R China 3.Xi An Jiao Tong Univ, Inst Global Environm Change, Xian 710049, Peoples R China 4.Australian Natl Univ, Res Sch Earth Sci, Canberra, ACT 0200, Australia 5.Qingdao Natl Lab Marine Sci & Technol, Open Studio Ocean Continental Climate & Environm, Qingdao 266061, Peoples R China
推荐引用方式 GB/T 7714	Jin, Zhangdong,Yu, Jimin,Zhang, Fei,et al. Glacial-interglacial variation in catchment weathering and erosion paces the Indian summer monsoon during the Pleistocene[J]. QUATERNARY SCIENCE REVIEWS,2020,248:13.
APA	Jin, Zhangdong,Yu, Jimin,Zhang, Fei,&Qiang, Xiaoke.(2020).Glacial-interglacial variation in catchment weathering and erosion paces the Indian summer monsoon during the Pleistocene.QUATERNARY SCIENCE REVIEWS,248,13.
MLA	Jin, Zhangdong,et al."Glacial-interglacial variation in catchment weathering and erosion paces the Indian summer monsoon during the Pleistocene".QUATERNARY SCIENCE REVIEWS 248(2020):13.