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Position: Home > Articles > Drought Features and Cause Analysis of Fenghuang County in Hunan Province from 1981 to 2015 Journal of Anhui Agricultural Sciences 2016 (9) 227-228+275

1981~2015年湖南省凤凰县干旱特点及成因分析

作  者:
杨胜良;杨啸宁;唐运龙
单  位:
湖南省保靖县气象局;湖南省湘西自治州气象局;湖南省凤凰县气象局
关键词:
干旱特点;成因分析;凤凰县
摘  要:
利用凤凰县气象观测资料和灾情资料,着重分析了1981~2015年凤凰县干旱出现规律及其特点,揭示了干旱形成的原因。结果表明,近35年来凤凰县旱年频繁、旱情较重,夏秋多旱、连旱尤甚,多块块旱、插花旱。大气环流异常,副热带高压过早、过强,且长时间控制是形成干旱的重要因素;凤凰县的地理位置、地形特征是造成干旱的主要原因。
译  名:
Drought Features and Cause Analysis of Fenghuang County in Hunan Province from 1981 to 2015
作  者:
YANG Sheng-liang;YANG Xiao-ning;TANG Yun-long;Meteorological Bureau of Fenghuang County;Meteorological Bureau of Baojing County;Meteorological Bureau of Xiangxi Autonomous Prefecture;
关键词:
Drought characteristics;;Cause analysis;;Fenghuang County
摘  要:
By using the meteorological observation data and disaster data,we mainly analyzed the drought laws and characteristics of Fenghuang County in 1981- 2015,and revealed the causes of the drought formation. Results showed that drought years became frequent in Fenghuang County in recent 35 years and the drought status was severe with continuous drought in summer and autumn. There were phenomena of atmospheric circulation anomaly,and strong and early subtropical high. Long-time control was the key factor to form drought. The geographical position and topographic feature were the main causations of drought in Fenghuang County.

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