甘肃省飞机人工增雨天气系统分型和天气特点  

The Weather System Types of Aircraft Artificial Precipitation Enhancement and Weather Characteristics in Gansu Province

作　　者：李宗义[1] 庞朝云[2] 

机构地区：[1]兰州中心气象台,甘肃兰州730020 [2]甘肃省人工影响天气办公室,甘肃兰州730020

出　　处：《干旱气象》2004年第1期26-29,共4页Journal of Arid Meteorology

基　　金：国家课题攻关计划项目:"黄河中游(陕甘宁)干旱半干旱地区人工增雨(雪)技术开发与示范(2001BA901A41)"资助

摘　　要：选用2000～2003年3～10月,甘肃省实施飞机人工增雨的116架次资料为样本,以增雨当日08时500hPa资料为主,根据冷空气入侵甘肃的不同路径,将有利飞机人工增雨的天气系统分为5种类型:高原低槽型、西南气流型、平直气流型、西北气流型和北方低槽型,并分析了不同系统的特征。Using the data of 116 times' samples of aircraft artificial precipitation enhancement operation from 2000 to 2003(March to October),and based on the real time data at 500hPa at 08:00,five weather types which benefit aircraft artificial precipitation enhancement were obtained according to different path of the cold current invading Gansu province:plateau low trough, southwest air current, straight fluctuant, northwest air current and northern low trough.

关 键 词：人工增雨 天气系统分型 甘肃 天气特点 

分 类 号：P481[天文地球—大气科学及气象学]