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THE SMALL-SCALE TECTONIC LANDFORMS OF GYIRONG WATERSHED IN THE MIDDLE HIMALAYAN OROGEN, TIBET, CHINA
Chen, Lu1,3; Kan, Aike2,3; Wang, Yingjie3
2019-08-01
Source PublicationCARPATHIAN JOURNAL OF EARTH AND ENVIRONMENTAL SCIENCES
ISSN1842-4090
Volume14Issue:2Pages:473-482
Corresponding AuthorKan, Aike(kanaike@qq.com)
AbstractThe relationship between small-scale topographic features and tectonic response of orogenic belts is often neglected due to scale differences in topographic data. Using Aster GDEM2, we calculated swath elevation, 200m topographic relief, and average slope angle of a small-scale watershed in the middle Himalayan orogen. Based on the geological history of Gyirong and data on the Himalayan uplift process, this study analyzed the topographic characteristics of Gyirong watershed, discussed the relationships between landform and structure, lithology, and climate, and compared slope stability. The results showed that the topographic elevation characteristics retained correspondence to local basement forms and tectonic associations. Periodic spatial change at the summit level had a clear response to the structural distribution, and may support the theory that the Gyirong basin floor is a combination of normal and reverse faults. Average height increased at first and then stabilized, and these morphological characteristics and distribution patterns provide topographic evidence for the interpretation of tectonic uplift and erosional accumulation, which confirmed that 4000m was the vertical differentiation boundary for the tectonic landform. Although climate, landforms, tectonics, and lithology vary across different orogenic belts, the similar slope angle threshold provided the insight that erosion is the tectonic genesis to equilibrium of heterogeneous hillsides at different scales.
Keywordtectonic landform digital topographic analysis Aster GDEM2 the Middle Himalayan orogen Gyirong watershed
DOI10.26471/cjees/2019/014/096
WOS KeywordTHAKKHOLA GRABEN ; ELEVATION ; BASIN ; DEFORMATION ; FAULT
Indexed BySCI
Language英语
Funding ProjectNNSF[C1461029] ; PTI[YJRC2016-6] ; energy research and demonstration center, TAR[NSFTAR XZ2017ZRG-99] ; NNSFC[41161067] ; NSFTAR[2015ZR-13-66]
Funding OrganizationNNSF ; PTI ; energy research and demonstration center, TAR ; NNSFC ; NSFTAR
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000484879700020
PublisherNORTH UNIV BAIA MARE
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Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/69618
Collection中国科学院地理科学与资源研究所
Corresponding AuthorKan, Aike
Affiliation1.Chengdu Normal Coll, Inst Humanity Resources Western China, Chengdu 611130, Sichuan, Peoples R China
2.Chengdu Univ Technol, Coll Geophys, Chengdu 610059, Sichuan, Peoples R China
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, State Key Lab Resource & Environm Informat Syst, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Chen, Lu,Kan, Aike,Wang, Yingjie. THE SMALL-SCALE TECTONIC LANDFORMS OF GYIRONG WATERSHED IN THE MIDDLE HIMALAYAN OROGEN, TIBET, CHINA[J]. CARPATHIAN JOURNAL OF EARTH AND ENVIRONMENTAL SCIENCES,2019,14(2):473-482.
APA Chen, Lu,Kan, Aike,&Wang, Yingjie.(2019).THE SMALL-SCALE TECTONIC LANDFORMS OF GYIRONG WATERSHED IN THE MIDDLE HIMALAYAN OROGEN, TIBET, CHINA.CARPATHIAN JOURNAL OF EARTH AND ENVIRONMENTAL SCIENCES,14(2),473-482.
MLA Chen, Lu,et al."THE SMALL-SCALE TECTONIC LANDFORMS OF GYIRONG WATERSHED IN THE MIDDLE HIMALAYAN OROGEN, TIBET, CHINA".CARPATHIAN JOURNAL OF EARTH AND ENVIRONMENTAL SCIENCES 14.2(2019):473-482.
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