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Indian monsoon variability on millennial-orbital timescales
Kathayat, Gayatri1; Cheng, Hai1,2; Sinha, Ashish3; Spoetl, Christoph4; Edwards, R. Lawrence2; Zhang, Haiwei1; Li, Xianglei1; Yi, Liang5; Ning, Youfeng1; Cai, Yanjun6; Lui, Weiguo Lui6; Breitenbach, Sebastian F. M.7,8
2016-04-13
Source PublicationSCIENTIFIC REPORTS
Volume6Issue:2016
SubtypeArticle
AbstractThe Indian summer monsoon (ISM) monsoon is critical to billions of people living in the region. Yet, significant debates remain on primary ISM drivers on millennial-orbital timescales. Here, we use speleothem oxygen isotope (delta O-18) data from Bittoo cave, Northern India to reconstruct ISM variability over the past 280,000 years. We find strong coherence between North Indian and Chinese speleothem delta O-18 records from the East Asian monsoon domain, suggesting that both Asian monsoon subsystems exhibit a coupled response to changes in Northern Hemisphere summer insolation (NHSI) without significant temporal lags, supporting the view that the tropical-subtropical monsoon variability is driven directly by precession-induced changes in NHSI. Comparisons of the North Indian record with both Antarctic ice core and sea-surface temperature records from the southern Indian Ocean over the last glacial period do not suggest a dominant role of Southern Hemisphere climate processes in regulating the ISM variability on millennial-orbital timescales.
WOS HeadingsScience & Technology
DOI10.1038/srep24374
WOS KeywordICE-AGE TERMINATIONS ; PAST 800,000 YEARS ; SUMMER-MONSOON ; CLIMATE VARIABILITY ; ASIAN MONSOON ; HULU CAVE ; RECORD ; CORE ; PRECIPITATION ; GREENLAND
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000373916200003
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5756
Collection现代环境研究室
Affiliation1.Xi An Jiao Tong Univ, Inst Global Environm Change, Xian 710049, Peoples R China
2.Univ Minnesota, Dept Earth Sci, Minneapolis, MN 55455 USA
3.Calif State Univ Dominguez Hills, Dept Earth Sci, Carson, CA 90747 USA
4.Univ Innsbruck, Inst Geol, Innrain 52, A-6020 Innsbruck, Austria
5.Tongji Univ, State Key Lab Marine Geol, Shanghai 200092, Peoples R China
6.Chinese Acad Sci, Inst Earth Environm, Xian 710054, Peoples R China
7.Univ Cambridge, Dept Earth Sci, Downing St, Cambridge CB2 3EQ, England
8.Ruhr Univ Bochum, Inst Geol Mineral & Geophys, Univ Str 150, D-44801 Bochum, Germany
Recommended Citation
GB/T 7714
Kathayat, Gayatri,Cheng, Hai,Sinha, Ashish,et al. Indian monsoon variability on millennial-orbital timescales[J]. SCIENTIFIC REPORTS,2016,6(2016).
APA Kathayat, Gayatri.,Cheng, Hai.,Sinha, Ashish.,Spoetl, Christoph.,Edwards, R. Lawrence.,...&Breitenbach, Sebastian F. M..(2016).Indian monsoon variability on millennial-orbital timescales.SCIENTIFIC REPORTS,6(2016).
MLA Kathayat, Gayatri,et al."Indian monsoon variability on millennial-orbital timescales".SCIENTIFIC REPORTS 6.2016(2016).
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