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气象:2009,35(9):68-76
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1960—2006年重庆高温日数时空变化特征
(1.兰州大学大气科学学院,兰州 73000;2.重庆市气象局)
The Spatial and Temporal Features of Chongqing High Temperature Days from 1960 to 2006
(1.College of Atmospheric Sciences, Lanzhou University, Lanzhou 730000;2.Chongqing Meteorological Bureau)
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投稿时间:2008-09-24    修订日期:2009-05-16
中文摘要: 利用重庆市1960—2006年35个地面气象站逐日气温资料,分析了近47年来重庆市高温日数的 时空变化特征。结果表明:重庆市有四个主要的高温多发区,分别在东北角的巫山、北部的 万州、中部的涪陵和丰都一带以及西南角的万盛和綦江附近;较重高温、严重高温和特别严 重高温的最大值分别为21d/a、14d/a和2d/a左右。重庆市高温日主要发生在7月和8月,其中 8月的高温日数和高温强度都大于7月;近47年全市高温日数大体呈现出“增加—减少—增加 ”的变化趋势;尤其是大于40℃的高温日数变化最为明显。
Abstract:By using the high temperature data of 35 meteorological observation stations in Chongqing from 1960 to 2006, the spatio temporal variation features of high temperature day (HTD) are studied. The results show that there are four regions with more HTD in Chongqing. The largest values of general, serious and special serious HTD are 21d/a, 14d/a and 2d/a respectively. The HTD occurs mainly in Jul y and August, and there are much more HTDs in August than in July. In the recent 47 years, the HTD has an evolutional trend of increasing decreasing increasi ng and the variation tendency of serious HTD is especially obvious.
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韩世刚,周浩,何军,唐家萍,盖长松,2009.1960—2006年重庆高温日数时空变化特征[J].气象,35(9):68-76.
Han Shigang,Zhou Hao,He Jun,Tang Jiaping,Gai Changsong,2009.The Spatial and Temporal Features of Chongqing High Temperature Days from 1960 to 2006[J].Meteor Mon,35(9):68-76.