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DOI10.1016/j.earscirev.2020.103431
Role of Indian Summer Monsoon and Westerlies on glacier variability in the Himalaya and East Africa during Late Quaternary: Review and new data
Kumar O.; Ramanathan A.L.; Bakke J.; Kotlia B.S.; Shrivastava J.P.; Kumar P.; Sharma R.; Kumar P.
发表日期2021
ISSN0012-8511
卷号212
英文摘要This paper presents a review of Late Quaternary climatic changes and glacier variability in the Himalaya and East Africa, focusing on the role of Indian Summer Monsoon (ISM), East African monsoon, and Westerlies monsoons. Multi-proxy studies which are based on five different archives (lakes, peat bogs, speleothems, marine sediments, and ice cores) including sixty-six records from India and nearby regions, particularly in the Himalaya and in addition to six archives from the equatorial Eastern part of Africa encompasses with high-resolution published and unpublished records for the last 50 ka BP. The proxy data is discussed towards REMO-ESM model Coupled Model Intercomprasion Project phase 5 (CMIP5 Project) results. Our results indicate that both Western Himalaya and East Africa had undergone mega-droughts from ~17.0–15.0 ka BP, and precipitation had increased during the Early Holocene (10.0–7.0 Ka BP) during the time span when the Westerlies dominated regions. The model results suggest that the Westerlies monsoon has significantly contributed to the Northwestern Himalaya and somewhat to a lesser degree to the Western Himalaya and lower solar insolation in the winters did support the glacier advance during the LGM. The time series from the proxy data are compared with glacier fluctuations in different valleys to understand the response of the aforementioned monsoon system including other forcing factors which drive these variabilities. The review results indicate that the Westerlies was the main driver of the climate and glacier fluctuations in Northwestern Himalaya during the Late Quaternary. The Early and Late Holocene glacier fluctuation was mainly controlled by Westerlies precipitation in Northwestern Himalaya and the ISM controlled the glacier fluctuations in the Western Himalaya during Late Quaternary. © 2020 Elsevier B.V.
英文关键词Climate variability; East Africa; Himalaya; Indian Summer Monsoon; Westerlies precipitation
语种英语
scopus关键词climate variation; glacier; monsoon; paleoclimate; precipitation (climatology); Quaternary; summer; westerly; East Africa; Himalayas; India
来源期刊EARTH-SCIENCE REVIEWS
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/209440
作者单位School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, 110067, India; Department of Geology, University of Delhi110007, India; Department of Earth Science and Bjerknes Centre for Climate Research, University of Bergen, Allègaten 41, Bergen, 5007, Norway; Centre of Advanced Study in Geology, Kumaun University, Nainital, 263002, India; Inter-University Accelerator Centre, New Delhi, 110067, India
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Kumar O.,Ramanathan A.L.,Bakke J.,et al. Role of Indian Summer Monsoon and Westerlies on glacier variability in the Himalaya and East Africa during Late Quaternary: Review and new data[J],2021,212.
APA Kumar O..,Ramanathan A.L..,Bakke J..,Kotlia B.S..,Shrivastava J.P..,...&Kumar P..(2021).Role of Indian Summer Monsoon and Westerlies on glacier variability in the Himalaya and East Africa during Late Quaternary: Review and new data.EARTH-SCIENCE REVIEWS,212.
MLA Kumar O.,et al."Role of Indian Summer Monsoon and Westerlies on glacier variability in the Himalaya and East Africa during Late Quaternary: Review and new data".EARTH-SCIENCE REVIEWS 212(2021).
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