Spatial and temporal distribution of landslide-dammed lakes in Purlung Tsangpo
文献类型:期刊论文
作者 | Wang, Hao3; Cui, Peng1,3,4; Zhou, Liqin2,4; Liu, Weiming4; Yang, Anna2,4; Yao, Shunyu2,3; Jiang, Zhenni2,4 |
刊名 | ENGINEERING GEOLOGY |
出版日期 | 2022-10-01 |
卷号 | 308页码:20 |
ISSN号 | 0013-7952 |
关键词 | Purlung Tsangpo Landslide-dammed lake Volume estimate Deglaciation River incision |
DOI | 10.1016/j.enggeo.2022.106802 |
通讯作者 | Cui, Peng(pengcui@imde.ac.cn) |
英文摘要 | Reconstructing the ages and magnitudes of prehistoric extreme events that are recorded in landforms and sediments allows us to capture the full range of frequency-magnitudes and estimate the expected time for the repetition of a catastrophic event. The Eastern Himalayan Syntaxis and its surrounding areas are highly prone to the occurrence of river blocking. Previous studies have re-established three glacier-dammed lakes in the valley of Yurlung Tsangpo, namely, Gaga Lake, Dazhuka-Yueju Lake and Jiedexiu Lake. Here, we identified a series of sedimentary evidence containing offshore clay or silt varve, nearshore vaguely stratified silty sand and subaqueous foresets, which are associated with five landslide-dammed lakes in the lower reach of Purlung Tsangpo, including Lulang (LLDL), Dongjiu (DJDL), 102 (102DL), Jialong (JLDL) and Zedang (ZDDL). By assuming an initial catastrophic drainage, the highest elevation of exposures and original dam heights derived from dam morphology were used to represent the minimum and maximum estimates of lake levels of individual lakes. The maximum estimate of lake volume ranges from 4.3 x 10(9) m(3) (LLDL) to 1.1 x 10(8) m(3) (ZDDL). The C-14 dating results provide the chronology of the LLDL from 24.2 ka BP to 15.4 ka BP. DJDL from 11.5 ka cal. BP to 7.0 ka cal. BP, JLDL from 4.9 ka cal. BP to 2.7 ka cal. BP. ZDDL from early Holocene to 5.8 cal. BP. Most of them occurred during deglaciation. We further used low-temperature thermochronological data to illustrate the spatial pattern of fluvial incision rates. Overall, climate-driving factors, such as rainfall intensity along with enhanced river incision post LLGM, preconditioned the occurrence of the abovementioned landslides. |
WOS关键词 | EASTERN HIMALAYAN SYNTAXIS ; SOUTHEASTERN TIBETAN PLATEAU ; NAMCHE-BARWA SYNTAXIS ; LAST GLACIAL MAXIMUM ; ROCK-SLOPE FAILURE ; RIVER INCISION ; RESERVOIR AGE ; EVOLUTION ; AVALANCHE ; INSIGHTS |
资助项目 | National Natural Science Foundation of China[41941017] ; National Natural Science Foundation of China[42101083] ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP)[2019QZKK0906] ; Sichuan Province Science and Technology Support Program[2021YFH0009] |
WOS研究方向 | Engineering ; Geology |
语种 | 英语 |
出版者 | ELSEVIER |
WOS记录号 | WOS:000857191600001 |
资助机构 | National Natural Science Foundation of China ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Sichuan Province Science and Technology Support Program |
源URL | [http://ir.igsnrr.ac.cn/handle/311030/185076] |
专题 | 中国科学院地理科学与资源研究所 |
通讯作者 | Cui, Peng |
作者单位 | 1.CAS HEC, China Pakistan Joint Res Ctr Earth Sci, Islamabad 45320, Pakistan 2.Univ Chinese Acad Sci, Beijing 100149, Peoples R China 3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Syst & Simulat, Beijing, Peoples R China 4.Chinese Acad Sci, Key Lab Mt Hazards & Earth Surface Proc, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China |
推荐引用方式 GB/T 7714 | Wang, Hao,Cui, Peng,Zhou, Liqin,et al. Spatial and temporal distribution of landslide-dammed lakes in Purlung Tsangpo[J]. ENGINEERING GEOLOGY,2022,308:20. |
APA | Wang, Hao.,Cui, Peng.,Zhou, Liqin.,Liu, Weiming.,Yang, Anna.,...&Jiang, Zhenni.(2022).Spatial and temporal distribution of landslide-dammed lakes in Purlung Tsangpo.ENGINEERING GEOLOGY,308,20. |
MLA | Wang, Hao,et al."Spatial and temporal distribution of landslide-dammed lakes in Purlung Tsangpo".ENGINEERING GEOLOGY 308(2022):20. |
入库方式: OAI收割
来源:地理科学与资源研究所
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