重庆市严重伏旱气候特征分析  

Analysis on Climatic Characteristics of Serious Drought in Summer in Chongqing

作　　者：江玉华[1] 程炳岩[1] 邓承之 龙小雨[1] 向鸣[1] 向波[1] 

机构地区：[1]重庆市气象局,重庆401147

出　　处：《高原山地气象研究》2009年第1期31-38,共8页Plateau and Mountain Meteorology Research

基　　金：中国气象局气候变化专项:CCSF2007-24;重庆市科技合作项目(2004-8770)

摘　　要：重庆市伏旱是一种客观气候规律,其演变有近100年的周期震荡。2006年重庆及其周边地区的严重干旱是气候自然变迁与人类活动的综合影响,南亚高压偏强偏东、西太平洋副热带高压偏强偏西及Hadley环流加强有关。造成2006年异常高温的主要原因是太阳辐射、严重干旱和深厚的下沉气流增温;最后给出了高温预警实例。The serious drought in Summer is an objective climatic law, which occurs nearly 100 years cycle in Chongqing. The serious summer drought in Chongqing and nearby area in 2006 resulted from the combine effects of nature climatic changes and human activity, it also related with the stronger South Asia high locating to the east side of the average ridge , the stronger subtropical high locating to the west side of the average ridge, and the stronger Hadley Circulation. The abnormal high temperature in 2006 can be mainly attributed tO Solar Radiation, serious drought, and deep subsidence warming, lastly, we cite an example of high - temperature warning.

关 键 词：重庆干旱 气候变迁 原因分析 高温预警 

分 类 号：P463[天文地球—大气科学及气象学]