[1]周秀杰,那济海,潘华盛.黑龙江省夏季干旱气候特征及成因分析[J].自然灾害学报,2011,20(05):131-135.
　ZHOU Xiu-jie,NA Ji-hai,PAN Hua-sheng.Climatic characteristics and cause of summer drought in Heilongjiang Province[J].,2011,20(05):131-135.
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黑龙江省夏季干旱气候特征及成因分析
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《自然灾害学报》[ISSN:/CN:23-1324/X]

卷:
20
期数:
2011年05期
页码:
131-135
栏目:
出版日期:
2011-07-09

文章信息/Info

Title:
Climatic characteristics and cause of summer drought in Heilongjiang Province
作者:
周秀杰1;  那济海2;  潘华盛2
1. 黑龙江省气象信息中心, 黑龙江哈尔滨150030;
2. 黑龙江省气象台, 黑龙江哈尔滨150030
Author(s):
ZHOU Xiu-jie1;  NA Ji-hai2;  PAN Hua-sheng2
1. Meteorologica Informayion Center Center of Heilongjiang Province, Harbin 150030, China;
2. Meteorologica Center of Heilongjiang Province, Harbin 150030, China
关键词:
干旱; 气候特征; 环流; 水汽
Keywords:
drought; climalic characteristic; circulation; water vapour
分类号:
F326
摘要:
利用1954-2009年气候实测资料,分析了黑龙江省干旱发生的气候特征。结果表明,20世纪70年代与21世纪初的近10年为干旱盛行时期,尤其是2000年后至今,平均每2年发生一次干旱。大部分年份的干旱发生在拉尼娜事件或赤道东太平洋为冷水位相,副高较弱及偏东和北界偏北。从500hPa环流特点表明,东亚区盛行"-、+、-"距平场型式;冷空气偏向乌拉尔北部泰米尔至新地岛,黑龙江处在西风带高脊或高脊与副高结合体控制之下,维持高温少雨造成干旱。选取副高强、厄尔尼诺发生的年份的干旱典型年2004年。恰与过去年份发生的低温多雨形势相反,盛行"-、+、-"距平场型式,造成干旱。从旱年的水汽输送环境来看,来自欧亚大陆40°～50°N与孟加拉弯和南海的水汽输送通道,明显减弱或消失。
Abstract:
Based on the actual climate monitoring data during 1954-2009,we analyzed the climate characteristics of drought in Heilongjiang Province,The 1970s and recent 10 years at the beginning of the century,drought has prevailed in the province especially since the year 2000,the drought has happened once every 2 years on average.In most years drought occurred in Lanena event or eastern Pacific equator cold water level phase;the subtropical high is weaker,easterly and north by north part.500hPa circulation characteristics show that east asia region prevails "-,+,-"anomaly field, the cold air stants to Tamil-Xingdi island of northern Urals,Heilongjiang Province is under control of high ridge of west wind zone or its association with subtropics,and maintains high temperature causing drought.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2010-8-20;改回日期:2011-3-21。
基金项目:黑龙江省科技攻关项目资助(Gc09c103-05)
作者简介:周秀杰(1969- )女,高级工程师,主要从事技术开发和应用气象研究.E-mail:zhouxjgxt@tom.com
更新日期/Last Update: 1900-01-01