Universität zu Köln

Stauch, G., Schulte, P., Ramisch, A., Hartmann, K., Huelle, D., Lockot, G., Diekmann, B., Nottebaum, V., Mueller, C., Wuennemann, B., Yan, D. and Lehmkuhl, F. (2017). Landscape and climate on the northern Tibetan Plateau during the late Quaternary. Geomorphology, 286. S. 78 - 93. AMSTERDAM: ELSEVIER. ISSN 1872-695X

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Abstract

Palaeoclimate reconstruction on the northern Tibetan Plateau resulted in a large spectrum of different and partly divergent interpretations for the climate evolution during the late glacial and the Holocene. In some cases this is caused by incomplete understanding of the geomorphological processes influencing the different proxies used. To overcome these limitations and to enhance the understanding of the complex process interactions in a sensitive and highly dynamical environment a detailed analysis of different members of the sedimentary system at Lake Heihai on the northern Tibetan Plateau was conducted. Lake level variations during the late Pleistocene were influenced by sediment supply to an alluvial fan. This sediment surplus resulted in the temporary blocking of the outflow of Lake Heihai. High sediment supply presumably occurred during or shortly after large glaciations in the Kunlun Shan. The spatial distribution of aeolian sediments revealed a strong relationship to possible source areas. This resulted in a spatially heterogeneous distribution of the aeolian sediments. Furthermore, topographic effects have an important influence on the preservation of the sediments. Aeolian sediments deposited in sheltered positions might not be comparable with other archives with a similar grain size. Nevertheless, deposition of loess during the mid-Holocene indicates a shift to wetter climate conditions on the northern Tibetan Plateau. This might be caused by the intrusion of the East Asian Summer monsoon into the area. During the late Holocene, the Asian summer monsoon retreated and aeolian sediments were reactivated. (C) 2017 Elsevier B.V. All rights reserved.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Stauch, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Schulte, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ramisch, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hartmann, K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Huelle, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lockot, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Diekmann, B. UNSPECIFIED UNSPECIFIED UNSPECIFIED Nottebaum, V. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mueller, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Wuennemann, B. UNSPECIFIED UNSPECIFIED UNSPECIFIED Yan, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lehmkuhl, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-229700
DOI:	10.1016/j.geomorph.2017.03.008
Journal or Publication Title:	Geomorphology
Volume:	286
Page Range:	S. 78 - 93
Date:	2017
Publisher:	ELSEVIER
Place of Publication:	AMSTERDAM
ISSN:	1872-695X
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language QINGHAI LAKE AREA; SUMMER MONSOON; AEOLIAN SEDIMENTS; KUNLUN FAULT; QAIDAM BASIN; CENTRAL-ASIA; GEOMORPHOLOGICAL PROCESSES; MOISTURE EVOLUTION; HOLOCENE MOISTURE; OSL CHRONOLOGY Multiple languages Geography, Physical; Geosciences, Multidisciplinary Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/22970