| 宜春地区主要气象灾害分布规律及成因分析 |
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| 引用本文： | 简海燕,龚乃弘,张秋跃.宜春地区主要气象灾害分布规律及成因分析[J].气象与减灾研究,2011,34(3):57-63. |
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| 作者姓名： | 简海燕 龚乃弘 张秋跃 |
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| 作者单位： | 宜春市气象局,江西宜春,336000 |
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| 基金项目： | 2010年宜春市科技局项目“宜春市气象灾害的影响及防御研究.” |
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| 摘 要： | 利用1959-2008 年气象观测资料和1949-2008 年气象灾情资料,对发生在宜春地区的暴雨和洪涝、大风、冰雹、干旱、高温、低温和冷冻、雷电等7 类主要气象灾害的分布规律及成因进行了分类分析.结果表明,宜春地区每年都会出现不同程度的洪涝灾害,重度洪涝灾害为3-5 a 一遇.东部和西部各有1 个大风多发区;大风7-...
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| 关 键 词： | 气象灾害 发生规律 成因 宜春 |
CHARACTERISTICS OF DISTRIBUTION AND CAUSE OF THE MAJOR WEATHER DISASTERS IN YICHUN REGION |
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| Jian Hanyan,Gong Naigong,Zhang Qiuyue.CHARACTERISTICS OF DISTRIBUTION AND CAUSE OF THE MAJOR WEATHER DISASTERS IN YICHUN REGION[J].Meteorology and Disaster Reduction Research,2011,34(3):57-63. |
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| Authors: | Jian Hanyan Gong Naigong Zhang Qiuyue |
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| Institution: | Jian Hanyan,Gong Naigong,Zhang Qiuyue Yichun Meteorological Bureau,Yichun 336000,China |
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| Abstract: | Based on 1959—2008 meteorological data and 1949—2008 meteorological disaster information,characteristics of distribution and cause of seven major weather disasters in Yichun region are analyzed.The results show that almost every year the flood occurs in Yichun,severe floods occur every 3—5 years.There are strong wind centers in eastern and western region of Yichun respectively.Most of the strong wind occurs in July—August,and least in December.Averagely,hail appears 2.5 times per year,summer drought and autumn drought happen 1 time per year.High temperature weather often occurs in March—October,mainly in July to August.Those with the temperature higher than 37 ℃ generally appear in May—September,mainly in July—August.During January—March and November—December,the air temperature always reaches lower than 0 ℃,especially in January.And during January—February and December,the air temperature can reach lower than-5 ℃.Spring low temperature appears mostly in the west and north region of Yichun.The average date of slight cold dew wind appearance is September 9-October 20,and that of severe cold dew wind appearance is September 26—October 10.Glazed frost mainly appears in January—February and December;ground ice can be seen in the January—March and November—December.Thunderstorms occur mostly in August,followed by July and June,and least thunderstorms appear in April,May and December,which mainly happen in daytime. |
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| Keywords: | Weather disasters Distribution Cause Yichun |
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