张家川县暴雨气候特征及气象防御措施  

Climatic Characteristics of Rainstorm and Meteorological Defense Measures in Zhangjiachuan County

作　　者：杨春芽 YANG Chun-Ya(Meteorological Bureau of Zhangjiachuan Hui Autonomous County,Zhangjiachuan,Gansu 741500)

机构地区：[1]张家川回族自治县气象局,甘肃张家川741500

出　　处：《农业灾害研究》2021年第6期98-99,101,共3页Journal of Agricultural Catastrophology

摘　　要：根据张家川国家气象观测站1991—2020年降水观测资料,统计降雨量(日数)、暴雨降雨量(日数)等数据,建立一元线性趋势方程,分析年降雨量(日数)及暴雨量(日数)的变化特征,得出:张家川县近30年暴雨量与年降雨量变化一致,均呈增加趋势,21世纪10年代增加明显;一年之中暴雨集中于6—8月,8月出现最多,暴雨日数与年降雨日数的变化也呈现出增加趋势。随着暴雨天气增多,气象部门应完善暴雨天气监测预报系统,拓宽气象信息发布渠道,及时有效发布灾害天气预警,保证国民经济及群众生命财产安全。According to the precipitation observation data of Zhangjiachuan National Meteorological Observation Station from 1991 to 2020,the rainfall(days)and rainstorm rainfall(days)are counted,the univariate linear trend equation is established,and the variation characteristics of annual rainfall(days)and rainstorm(days)are analyzed.It is concluded that the rainstorm in Zhangjiachuan county in recent 30 years is consistent with the annual rainfall,both showing an increasing trend,It increased significantly in the decade of the 21st century;In a year,the rainstorm is concentrated from June to August,with the most in August.The change of rainstorm days and annual rainfall days also shows an increasing trend.With the increase of rainstorm weather,the meteorological department should improve the rainstorm weather monitoring and forecasting system,broaden the channels of meteorological information release,timely and effectively release disaster weather early warning,and ensure the safety of the national economy and people’s lives and property.

关 键 词：暴雨 气候特征 变化趋势 气象防御 

分 类 号：P426.614[天文地球—大气科学及气象学]