IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2010  > Vol7 No.4
New findings concerning the Pleistocene Glaciation of the Leh Basin, Ladakh (34A degrees 03' N/77A degrees 38' E)
Achenbach, Hermann
Corresponding AuthorAchenbach, H
2010-12
Source PublicationJOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
Volume7Issue:4Pages:367–374
AbstractLike for most parts of High Asia, researches concerning the Pleistocene landscape evolution of the Leh Basin (34A degrees 03' N/77A degrees 38' E) have also left contradictions. To push this topic, three up to now unexplored Ladakh Range tributaries of the Leh Basin (Stagmo-, Arzu- and Nang-Valley) have been investigated. U-shaped profiles, transfluence passes, moraine mantled and glacially rounded peaks and ridges, roches moutonn,es, glacial flank polishings and ground moraines document the former glaciation of the study area. The ice fillings of these tributaries reached a minimum thickness up to 540 m. Even at the valley outlets and on the orographic right side of the Leh Basin, the glaciation was more than 350 m thick. Based on these empirically extracted results, theoretical snow line considerations lead to the conclusion that the whole Leh Basin was filled up by a former Indus-Valley glacier. An ice injection limited to the nourishment areas of the Ladakh Range valleys could not have caused the reconstructed ice cover (down to 3236 m a.s.l.), which is proved by extended ground moraine complexes. Only an Indus ice stream network (most likely during the LGP), nourished by inflowing glaciers of the Ladakh- and Stok Range, explains the widespread existence of the glacial sediments at the outlets of the investigated valleys.
KeywordGlacial-geomorphology Former Glaciation Last Glacial Period Equilibrium Line Altitude High Asia
Language英语
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/5904
CollectionJournal of Mountain Science_Journal of Mountain Science-2010_Vol7 No.4
Recommended Citation
GB/T 7714
Achenbach, Hermann. New findings concerning the Pleistocene Glaciation of the Leh Basin, Ladakh (34A degrees 03' N/77A degrees 38' E)[J]. JOURNAL OF MOUNTAIN SCIENCE,2010,7(4):367–374.
APA Achenbach, Hermann.(2010).New findings concerning the Pleistocene Glaciation of the Leh Basin, Ladakh (34A degrees 03' N/77A degrees 38' E).JOURNAL OF MOUNTAIN SCIENCE,7(4),367–374.
MLA Achenbach, Hermann."New findings concerning the Pleistocene Glaciation of the Leh Basin, Ladakh (34A degrees 03' N/77A degrees 38' E)".JOURNAL OF MOUNTAIN SCIENCE 7.4(2010):367–374.
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