期刊
DENDROCHRONOLOGIA
卷 27, 期 1, 页码 59-69出版社
ELSEVIER GMBH
DOI: 10.1016/j.dendro.2008.09.002
关键词
Western Himalaya; Tree-ring; Cedrus deodara; Temperature; Global warming
资金
- Met of Snow and Avalanche Studies Establishment, Chandigarh, India [MPG/SO/2002-03/8255/102/M]
A 458-year-long regional tree-ring-width index chronology of Himalayan cedar (Cedrus deodara D. Don) prepared from three high-elevation sites of Western Himalaya has been presented. Dendrochmatological investigation indicates significant positive relationship of tree-ring index series with winter (December-February) temperature and Summer precipitation and inverse relationship With Summer temperature. Higher growth in the recent few decades detected in the tree-ring chronology has been noticed coinciding with the rapid retreat of the Himalayan glaciers. Suppressed and released growth patterns in tree-ring chronology have also been observed to be well related to the past glacial fluctuation records of the region. The higher tree growth in recent decades may be partially attributed to the warming trend over the region, particularly increasing the winter warmth, and thus to the regional manifestations of global waming. (C) 2008 Elsevier GmbH. All rights reserved.
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