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气象:2014,40(4):450-457
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青海高原干热风的分布特征及其对气候变化的响应
(1 青海省气象科学研究所,西宁 810001;2 青海省气候中心,西宁 810001)
Distribution Characteristics of Dry Hot Wind and Its Response to Climate Change in Qinghai Plateau
(1 Qinghai Meteorological Research Institute, Xining 810001;2 Qinghai Climate Centre, Xining 810001)
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投稿时间:2012-12-20    修订日期:2013-06-08
中文摘要: 基于青海省56个气象站1961—2010年50年气象资料对干热风的发生日数、空间分布及其变化特征分析表明:青海高原干热风主要分布在柴达木盆地且以小灶火为高发地,其次为东部农业区且以循化为高发地;近50年来干热风日数、强度均呈逐年上升趋势,2001—2010年年平均达到29站次,分别较20世纪60和70年代偏多17和11站次;近年来平均最高气温的明显升高与相对湿度逐年减小是干热风日数增多的主要原因。
Abstract:Based on 50 years’ meteorological data from 56 meteorological stations in Qinghai Province from 1961 to 2010, the spatial distribution, basic climate characteristics and occurence days of dry hot wind are analyzed. The results show that the Qaidam Basin is the main region for dry hot wind over Qinghai Plateau where Xiaozaohuo and Xunhua are the stations that frequently see the dry hot wind followed by Haidong Area. In the past 50 years, the number of 〖JP2〗dry hot wind days and its intensity have showed a rising trend. During 2001—2010, the annual average dry hot wind events were 29 times, and respectively 17 times and 11 times more than in 1960s and 1970s. In recent years, the dry hot wind days increased, which result from the obvious increase of average maximum temperature and the gradual decrease of the relative humidity.〖JP〗
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基金项目:国家自然科学基金项目(41165008)资助
引用文本:
胡玲,汪青春,刘宝康,苏文将,周万福,2014.青海高原干热风的分布特征及其对气候变化的响应[J].气象,40(4):450-457.
HU Ling,WANG Qingchun,LIU Baokang,SU Wenjiang,HOU Wanfu,2014.Distribution Characteristics of Dry Hot Wind and Its Response to Climate Change in Qinghai Plateau[J].Meteor Mon,40(4):450-457.