摘要
利用博格达山北麓6个气象站35年来的降水量及气温记录,对季、年的水热组合状况及其变化进行统计分析,探讨气温、降水在垂直方向上的变化特征。得到的基本结论为:①从变化趋势看,35年来基本以暖湿气候为主,也有暖干和冷湿气候出现;②该区气候垂直变化特征显著,20世纪90年代以来(1991-2006年)与前20年(1971-1990年)相比,平原绿洲区的增温(湿)幅度大于海拔较高的山区,且不论在哪个高度上,冬季增湿幅度均大于夏季;③气温垂直变化率因季节而异,冬季出现明显逆温现象;降水垂直梯度季节差异显著。
This paper analyzes mainly the long-term （1971 -2006） data of seasonal and annual temperature and precipitation observed at 6 meteorological stations in northern piedmont of the Bogda Mountain based on the statistical methods, and discusses the vertical change of temperature and precipitation with altitude. The results are as follows： （ 1 ） Viewing from the change trend, it was dominated by warming-wetting climate with rare warming-drying and cold-wetting climate ; （2） The vertical change of climate was obvious ： both temperature increase and precipitation increase in the plain oases were higher than that in the regions with high altitudes since the 1990s compared with that in previous 20 years （ 1971 - 1990）, and the precipitation increase in winter was higher than that in summer wherever at any altitudes ; （ 3 ） The vertical change rate of temperature was different from different seasons, and there was an obvious temperature inversion in winter. Vertical gradient of precipitation was significantly different from different seasons.
出处
《干旱区研究》
CSCD
北大核心
2009年第5期628-633,共6页
Arid Zone Research
基金
国家自然科学基金(40771194)
中国沙漠气象科学研究基金(Sqj2007012)资助
关键词
水热组合
气候变化
降水量
气温
博格达山
新疆
precipitation-temperature combination
climatic change
precipitation
air temperature
northern piedmont of the Bogda Mountain
Xinjiang.
作者简介
宋文娟（1982-）女，博士，主要从事气候与环境变化研究．E-mail：sengwenjuan@163．com
通讯作者：熊黑钢．E-mail：xhg1956@sohu．com
