对我国西北地区沙尘暴问题的分析及预测研究

Analysis and Forecast of Dust Storms in Northwest of China

沙尘暴是一种常见的灾害性天气现象,有着爆发频繁、影响广、危害严重等特征。如今对沙尘暴的分析及趋势预测研究已成为了国内外专家学者关注的热点和焦点。本文针对我国西北地区的沙尘暴问题,利用1961～2005年中国145个区站点观测的沙尘暴天数资料,首先,对西北各主要地区沙尘暴进行了整体分析;然后,确定出了各地区和区站沙尘暴严重性的大小;最后,对各地区各区站沙尘暴情况的大致趋势进行了灰色预测分析,为政府关于沙尘暴进行防范、管理与治理提供了指导性信息。

The dust storm is a common phenomenon of severe weather,with frequent outbreaks,affecting a wide and serious hazard characteristics.Nowadays,the analysis and prediction of dust storms has become the focus of attention and focus among domestic and foreign experts and scholars.In this paper,in northwest China＇s sandstorms,from 1961 to 2005 of 145 district site observations of the dust storm days of data,first of all,on the northwest major sandstorms for the overall analysis;and then determine the regional and district stations sandstorms seriously of size;Finally,the district stations in various regions the general trend of dust storm conditions in the gray forecasting analysis,conducted for the government on the dust prevention,management and governance provides guidance information.