Annual Precipitation Variation Inferred from Tree Rings Since A.D. 1770 for the Western Qilian Mts., Northern Tibetan Plateau
Annual Precipitation Variation Inferred from Tree Rings Since A.D. 1770 for the Western Qilian Mts., Northern Tibetan Plateau
复制标题
DOI：
10.3959/2008-2.1
复制
发表时间：
2009-07
期刊：
影响因子：
--
通讯作者：
E. Liang;X. Shao;Xiaohong Liu
中科院分区：
文献类型：
--
作者：
E. Liang;X. Shao;Xiaohong Liu
本文对祁连山西部地区的年降水量（7月前至6月）进行了基于树木年轮的重建，该重建占1935 - 2003年仪器降水数据方差的54.9%。
Abstract A long-term perspective of the recent climate change on the Tibetan Plateau is hampered by a lack of sufficiently long weather records. Here we describe a tree-ring based reconstruction of annual (prior July to current June) precipitation for the western Qilian Mts., northern Tibetan Plateau. This reconstruction accounts for 54.9% of the variance in instrumental precipitation data from 1935 to 2003. It shows distinct dry periods in 1782–1798, 1816–1837, 1869–1888 and 1920–1932, matching in general with local historical archives and other climatic proxy data on the northern Tibetan Plateau. Our research provides a background for evaluating hydroclimatic changes in the past two hundred years in a vulnerable arid region on the northern Tibetan Plateau.