干旱区生态环境知识资源中心(Arid): Late Pleistocene-Holocene flood history, flood-sediment provenance and human imprints from the upper Indus River catchment, Ladakh Himalaya

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DOI	10.1130/B35976.1
	Late Pleistocene-Holocene flood history, flood-sediment provenance and human imprints from the upper Indus River catchment, Ladakh Himalaya
	Sharma, Choudhurimayum Pankaj; Chahal, Poonam; Kumar, Anil; Singhal, Saurabh; Sundriyal, Yp; Ziegler, Alan D.; Agnihotri, Rajesh; Wasson, Robert J.; Shukla, Uma Kant; Srivastava, Pradeep
通讯作者	Srivastava, P (corresponding author)，Wadia Inst Himalayan Geol, 33 GMS Rd, Dehra Dun 248001, Uttarakhand, India.
来源期刊	GEOLOGICAL SOCIETY OF AMERICA BULLETIN
ISSN	0016-7606
EISSN	1943-2674
出版年	2022
卷号	134 期号:1-2
英文摘要	The Indus River, originating from Manasarovar Lake in Tibet, runs along the Indus Tsangpo suture zone in Ladakh which separates the Tethyan Himalaya in the south from the Karakoram zone to the north. Due to the barriers created by the Pir-Panjal ranges and the High Himalaya, Ladakh is located in a rain shadow zone of the Indian summer monsoon (ISM) making it a high-altitude desert. Occasional catastrophic hydrological events are known to endanger lives and properties of people residing there. Evidence of such events in the recent geologic past that are larger in magnitude than modern occurrences is preserved along the channels. Detailed investigation of these archives is imperative to expand our knowledge of extreme floods that rarely occur on the human timescale. Understanding the frequency, distribution, and forcing mechanisms of past extreme floods of this region is crucial to examine whether the causal agents are regional, global, or both on long timescales. We studied the Holocene extreme flood history of the Upper Indus catchment in Ladakh using slackwater deposits (SWDs) preserved along the Indus and Zanskar Rivers. SWDs here are composed of stacks of sand-silt couplets deposited rapidly during large flooding events in areas where a sharp reduction of flow velocity is caused by local geomorphic conditions. Each couplet represents a flood, the age of which is constrained using optically stimulated luminescence for sand and accelerator mass spectrometry and liquid scintillation counter C-14 for charcoal specks from hearths. The study suggests occurrence of large floods during phases of strengthened ISM when the monsoon penetrated into arid Ladakh. Comparison with flood records of rivers draining other regions of the Himalaya and those influenced by the East Asian summer monsoon (EASM) indicates asynchronicity with the Western Himalaya that confirms the existing anti-phase relationship of the ISM-EASM that occurred in the Holocene. Detrital zircon provenance analysis indicates that sediment transportation along the Zanskar River is more efficient than the main Indus channel during extreme floods. Post-Last Glacial Maximum human migration, during warm and wet climatic conditions, into the arid upper Indus catchment is revealed from hearths found within the SWDs.
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000740439000008
WOS关键词	MIDDLE YELLOW-RIVER ; EXTREME RAINFALL EVENTS ; INDIAN-SUMMER MONSOON ; U-PB ; SLACKWATER DEPOSITS ; TIBETAN PLATEAU ; ARCTIC OSCILLATION ; CIRCULATION INTERACTIONS ; PALEOFLOOD HYDROLOGY ; SPONTANG OPHIOLITE
WOS类目	Geosciences, Multidisciplinary
WOS研究方向	Geology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/376808
作者单位	[Sharma, Choudhurimayum Pankaj; Chahal, Poonam; Kumar, Anil; Singhal, Saurabh; Srivastava, Pradeep] Wadia Inst Himalayan Geol, 33 GMS Rd, Dehra Dun 248001, Uttarakhand, India; [Chahal, Poonam; Sundriyal, Yp] HNB Garhwal Univ, Dept Geol, Srinagar 249161, India; [Ziegler, Alan D.] MaeJo Univ, Fac Fisheries Technol & Aquat Resources, Chiang Mai, Thailand; [Agnihotri, Rajesh] Birbal Sahni Inst Palaeosci, Lucknow 226007, Uttar Pradesh, India; [Wasson, Robert J.] James Cook Univ, Coll Sci & Engn, Cairns, Australia; [Wasson, Robert J.] Australian Natl Univ, Fenner Sch Environm & Soc, Canberra, ACT, Australia; [Shukla, Uma Kant] Banaras Hindu Univ, Dept Geol, Varanasi, Uttar Pradesh, India
推荐引用方式 GB/T 7714	Sharma, Choudhurimayum Pankaj,Chahal, Poonam,Kumar, Anil,et al. Late Pleistocene-Holocene flood history, flood-sediment provenance and human imprints from the upper Indus River catchment, Ladakh Himalaya[J],2022,134(1-2).
APA	Sharma, Choudhurimayum Pankaj.,Chahal, Poonam.,Kumar, Anil.,Singhal, Saurabh.,Sundriyal, Yp.,...&Srivastava, Pradeep.(2022).Late Pleistocene-Holocene flood history, flood-sediment provenance and human imprints from the upper Indus River catchment, Ladakh Himalaya.GEOLOGICAL SOCIETY OF AMERICA BULLETIN,134(1-2).
MLA	Sharma, Choudhurimayum Pankaj,et al."Late Pleistocene-Holocene flood history, flood-sediment provenance and human imprints from the upper Indus River catchment, Ladakh Himalaya".GEOLOGICAL SOCIETY OF AMERICA BULLETIN 134.1-2(2022).