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Sediment dynamics and hydrologic events affecting small lacustrine systems on the southern-central Tibetan Plateau - the example of TT Lake

文献类型：期刊论文

作者Ahlborn, Marieke1; Haberzettl, Torsten1; Wang, Junbo2; Alivernini, Mauro3; Schluetz, Frank4; Schwarz, Anja5; Su, Youliang6; Frenzel, Peter3; Daut, Gerhard1; Zhu, Liping2
刊名HOLOCENE
出版日期2015-03-01
卷号25期号:3页码:508-522
关键词event layer human impact lake sediments multi-proxy approach precipitation sediment transport processes Tibetan Plateau
ISSN号0959-6836
DOI10.1177/0959683614561885
文献子类Article
英文摘要A sedimentological, geochemical, micropaleontological, and palynological study of a lacustrine sediment record from the small TT Lake (southern-central Tibetan Plateau) shows that the background sedimentation was frequently interrupted by event-related deposits. These event-related deposits are interpreted as the result of hydrologic events that are triggered by above-average precipitation events. In total, 11 events were recorded in the TT Lake sequence. Two types can be differentiated: fluvial runoff events caused by precipitation that carried sediment in suspension into the lake and a sediment mass transport caused by torrential precipitation. The hydrologic events appear to be decoupled from long-term climate and environmental variations, but there is evidence that anthropogenic impact, in terms of pastoralism, might have favored the runoff events. The multi-proxy approach proved to be valuable and allowed for a detailed study of sedimentary processes within the lake and its watershed in order to assess their triggering processes and dynamics. The findings show the complexity of these sedimentary processes and their controlling factors, and the study aims to improve their understanding. This study is the first effort to investigate event-related deposits and sedimentary processes on the Tibetan Plateau and its triggering processes and dynamics by utilizing lacustrine sediment records.
WOS关键词HOLOCENE CLIMATE VARIABILITY ; NAM CO ; TANGRA YUMCO ; DEBRIS FLOWS ; FRENCH ALPS ; PALEOCLIMATIC CHANGES ; LATE QUATERNARY ; EUROPEAN ALPS ; LEVEL CHANGES ; RIVER FLOODS
WOS研究方向Physical Geography ; Geology
语种英语
WOS记录号WOS:000349531500009
出版者SAGE PUBLICATIONS LTD
资助机构DFG(MA1308/23-2) ; DFG(MA1308/23-2) ; National Natural Science Foundation of China(41271225) ; National Natural Science Foundation of China(41271225) ; DFG(MA1308/23-2) ; DFG(MA1308/23-2) ; National Natural Science Foundation of China(41271225) ; National Natural Science Foundation of China(41271225) ; DFG(MA1308/23-2) ; DFG(MA1308/23-2) ; National Natural Science Foundation of China(41271225) ; National Natural Science Foundation of China(41271225) ; DFG(MA1308/23-2) ; DFG(MA1308/23-2) ; National Natural Science Foundation of China(41271225) ; National Natural Science Foundation of China(41271225)
源URL[http://ir.iggcas.ac.cn/handle/132A11/86788]  
专题中国科学院地质与地球物理研究所
通讯作者Ahlborn, Marieke
作者单位1.Univ Jena, Inst Geog, D-07743 Jena, Germany
2.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100864, Peoples R China
3.Univ Jena, Inst Geosci, D-07743 Jena, Germany
4.Lower Saxony Inst Hist Coastal Res, Wilhelmshaven, Germany
5.Tech Univ Carolo Wilhelmina Braunschweig, Inst Geosyst & Bioindikat, Braunschweig, Germany
6.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, Beijing 100864, Peoples R China
推荐引用方式
GB/T 7714		 Ahlborn, Marieke,Haberzettl, Torsten,Wang, Junbo,et al. Sediment dynamics and hydrologic events affecting small lacustrine systems on the southern-central Tibetan Plateau - the example of TT Lake[J]. HOLOCENE,2015,25(3):508-522.
APA Ahlborn, Marieke.,Haberzettl, Torsten.,Wang, Junbo.,Alivernini, Mauro.,Schluetz, Frank.,...&Maeusbacher, Roland.(2015).Sediment dynamics and hydrologic events affecting small lacustrine systems on the southern-central Tibetan Plateau - the example of TT Lake.HOLOCENE,25(3),508-522.
MLA Ahlborn, Marieke,et al."Sediment dynamics and hydrologic events affecting small lacustrine systems on the southern-central Tibetan Plateau - the example of TT Lake".HOLOCENE 25.3(2015):508-522.

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来源：地质与地球物理研究所

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