干旱地区农业研究Issue(2)：40-46,7.
近50年新疆冬季热量资源时空变化
Spatial-temporal Variation of Heat Resources in Winter of Xinjiang near 50 years
摘要
Abstract
Using the daily mean temperature and annual extreme minimum temperature data from 101 meteorological stations during 1961 to 2010 in Xinjiang ,were analyzed the changing trend and abruptly changing characteristic of heat element in winter for the January mean temperature ,yearly extreme minimum temperature ,accumulated negative temper-ature and the day numbers in winter by using the linear tendency method and Mann - Kendall method ,and by using the mixed model ,have finished the spacial distribution simulation for the average value in multi-years of each heat element in winter and the variation before and after abrupt change based on the digit elevation model (DEM) on the platform of the ArcGIS .The results showed that :(1) January mean temperature and annual extreme minimum temperature in Xinjiang were showed the characteristic of higher in southern Xinjiang ,lower in northern Xinjiang ;Higher in plain and valley , and lower in mountain areas ;The accumulated negative temperature and the day numbers in winter were showed the dis -tribution style as less in southern Xinjiang ,more in northern Xinjiang ;And less in plain and valley ,more in mountain areas .(2) Under the background of global warming ,the heat resource in winter of Xinjiang was showed a significant in -creasing trend during 1961 to 2010 ,also January mean temperature and annual extreme minimum temperature occurred abruptly increase in 1979 and 1980 respectively ,but the accumulated negative temperature and the day numbers in winter were abruptly decreased in 1986 and 1998 respectively .Before and after the abruptly change year ,the spatial distribution of rise range for January mean temperature and annual extreme minimum temperature totally assumed the pattern as in -crease from southeast to northwest ,the spatial distribution of reduced range for accumulated negative temperature assumed the characteristic as rise from south to north ,and the spatial distribution of reduced range for the day numbers in winter assumed the pattern as more in southern Xinjiang ,less in northern Xinjiang ,plains ,and more in plains and basins area , less in Tianshan Mountain and Altai Mountains areas .关键词
新疆/冬季热量资源/时空变化/ArcGISKey words
Xinjiang/heat resource in winter/spatial - temporal change/ArcGIS分类
农业科技引用本文复制引用
普宗朝,张山清,李景林,徐文修,王命全,伊力哈木..近50年新疆冬季热量资源时空变化[J].干旱地区农业研究,2014,(2):40-46,7.基金项目
国家自然科学基金项目（31260312）；新疆气象局科研项目 （）
