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Southeast Asian ecological dependency on Tibetan Plateau streamflow over the last millennium
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SYSNO ASEP 0582934 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Southeast Asian ecological dependency on Tibetan Plateau streamflow over the last millennium Author(s) Chen, F. (CN)
Man, W. (CN)
Wang, S. (CN)
Esper, Jan (UEK-B) SAI, ORCID, RID
Meko, D. (US)
Büntgen, Ulf (UEK-B) RID, ORCID, SAI
Yuan, Y. (CN)
Hadad, M. (AR)
Hu, M. (CN)
Zhao, X. (CN)
Roig Junent, F. A. (CL)
Fang, O. (CN)
Chen, Y. (CN)
Zhang, H. (CN)
Shang, H. (CN)
Yu, S. (CN)
Luo, X. (CN)
He, D. (CN)
CHEN, FH. (CN)Number of authors 19 Source Title Nature Geoscience. - : Nature Publishing Group - ISSN 1752-0894
Roč. 16, č. 12 (2023), s. 1151-1158Number of pages 8 s. Language eng - English Country US - United States Keywords climate-change ; temperature ; glaciers ; reconstruction ; variability ; impacts ; monsoon ; trends ; angkor Subject RIV DB - Geology ; Mineralogy OECD category Geology Method of publishing Limited access Institutional support UEK-B - RVO:86652079 UT WOS 001104971400003 EID SCOPUS 85176356661 DOI 10.1038/s41561-023-01320-1 Annotation The great river systems originating from the Tibetan Plateau are pivotal for the wellbeing of more than half the global population. Our understanding of historical ranges and future changes in water availability for much of Southeast Asia is, however, limited by short observational records and complex environmental factors. Here we present annually resolved and absolutely dated tree ring-based streamflow reconstructions for the Mekong, Salween and Yarlung Tsangpo rivers since 1000 ce, which are supplemented by corresponding model projections until 2100 ce. We show a significant positive correlation between streamflow and dry season vegetation indices over the Indochinese Peninsula, revealing the importance of the Tibetan Water Tower for the functioning and productivity of ecological and societal systems in Southeast Asia. The streamflow variability is associated with low-frequency sea-surface temperature variability in the North Atlantic and North Pacific. We find that streamflow extremes coincide with distinct shifts in local populations that occurred during medieval times, including the occupation and subsequent collapse of Angkor Wat from the eleventh to the sixteenth century. Finally, our projections suggest that future streamflow changes will reach, or even exceed, historical ranges by the end of this century, posing unprecedented risks for Southeast Asia. Workplace Global Change Research Institute Contact Nikola Šviková, svikova.n@czechglobe.cz, Tel.: 511 192 268 Year of Publishing 2024 Electronic address https://www.nature.com/articles/s41561-023-01320-1
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