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A 20‐ka climate record from Central Himalayan loess deposits

R. K. Pant; N. Basavaiah; N. Juyal; N. K. Saini; M. G. Yadava; E. Appel; A. K. Singhvi
Journal of Quaternary Science · Vol. 20, Issue 5 · pp. 485-492 · 2005

Abstract

The southwest monsoon that dominated Central Himalaya has preserved loessic silt deposits preserved in patches that are proximal to periglacial areas. The occurrence of such silts suggests contemporary prevalence of cold and dry northwesterly winds. Field stratigraphy, geochemistry, mineral magnetism, infrared stimulated luminescence (IRSL) and radiocarbon dating has enabled reconstruction of an event chronology during the past 20 ka. Three events of loess accretion could be identified. The first two events of loess deposition occurred betweem 20 and 9 ka and were separated by a phase of moderate weathering. Pedogenesis at the end of this event gave rise to a well‐developed soil that was bracketed around 9 to > 4 ka. This was followed by the third phase of loess accretion that occurred around 4 to > 1 ka. Episodes of loess deposition and soil formation are interpreted in terms of changes in the strength of the Indian southwest monsoon. Copyright © 2005 John Wiley & Sons, Ltd.

Bibliographic Information

JournalJournal of Quaternary Science
PublisherWiley
Publication Date2005-07-01
Publication Year2005
Volume20
Issue5
Pages485-492
Document TypeJournal Article
Print ISSN0267-8179
eISSN1099-1417
DOI10.1002/jqs.938
SubjectEarth & Environmental Science

Access Information

NARA Access Coverage1996-01-01~Current
Journal Homepagehttps://onlinelibrary.wiley.com/loi/10991417
Publisher PageOpen Publisher Page
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