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利用焉耆县1951~2012年近62a的气候资料以及1977~1979年两个气象哨和2010年以后建设的3个区域自动站资料,采用线性倾向估计法,分析焉耆地区春季终霜的年际变化趋势,结果表明:焉耆0℃终霜的年际变化大致有三个阶段,最晚终霜日期为5月16日,分别出现在1973年和2010年,最早是3月28日,且都在近10内;县域内春季最低气温各乡镇差别较大,县城南部地区降温较县城明显,约偏低2~3℃,而县城西部的七个星镇一带较县城升温和降温都比县城明显。
Based on the climate data of Yanqi County from 1951 to 2012 and the data of two meteorological posts from 1977 to 1979 and the data from three stations constructed after 2010, the linear tendency estimation method was used to analyze the annual variation of spring frost in Yanqi Prefecture Trend, the results show that: Yanqi 0 ℃ final frost interannual changes in roughly three stages, the latest frost date is May 16, respectively, in 1973 and 2010, the earliest is March 28, and are in the vicinity 10 within the county; the lowest temperature in the spring in each county township differences, the lower the temperature in the southern county than the county town is obvious, about 2 ~ 3 ℃ lower, while the western town of seven star town heating and cooling than the county town obvious than the county.