Analysis on the Characteristics of Extreme High Temperature in Hulun Buir City from 1961 to 2010
In this paper, using of the conventional meteorological data in Hulun Buir city from 16 meteorological stations in recent iffty years, the number of days are statisticed of daily maximum temperature less than 35 ℃in the station, the change law is analysed of the number of high temperature days in Hulun Buir City, the gradually reduce the trend is found that the high temperature days every ten years statistical during 1990 years from 1961 to, a gradually rising trend from 1991 to 2010 into, especially increased 125%than secondary ten years from 2001 to 2010; From the perspective of monthly distribution, high temperature appeared the most times in June, July comes second;From the distribution point of view, the emergence of the number of days is Xbaragzuoqi, the least isTulihe and Boketu located on the top of Da Hinggan Mountains, appear only 5 days nearly iffty years;From the regional division of view, the pastoral southern is most appears, pastoral northern comes second, forest at least once.Bying analyzing in the circulation characteristics and the inlfuencing systems of the 25 times of high temperature process,the circulation characteristics of high temperature process of Hulun Buir city is divided into the Mongolia Warm Ridge and The West Paciifc subtropical high northward type.
conventional meteorological datachange lawhigh temperature days
NETL
NSTL
万方数据
