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辽宁省设施农业暴雪及大风灾情特征分析

     

摘要

Based on meteorological disasters data, snowfall data and gale data from 2000 to 2012 during which facility agriculture of Liaoning Province was attacked by blizzard and strong wind, characteristics of temporal and spatial distribution, intensity, etc of facility agriculture disasters were analyzed. According to research, both blizzard and gale make obvious contribution to facility agriculture disasters of Liaoning Province. Blizzard mainly occurs from Feb. to Mar. which basically corresponds to the frequency spatial distribution of Liaoning blizzard disaster, and it mainly takes place in Liaohe River Basin and its east area. Gale disaster is largely affected by heavy wind in spring and severe convec-tive weather in summer, which mainly occurs in Apr. , Jul. and Agu. and takes place in Shenyang, Dalian and west area of Liaoning.%利用2000 ~ 2012年辽宁省设施农业遭受暴雪及大风气象灾害的灾情资料和降雪量、大风观测资料,对辽宁省设施农业灾情的时空分布、强度等特征进行详细分析.结果表明,暴雪及大风是造成辽宁设施农业气象灾害的主要原因之一,暴雪灾害主要出现在2~3月,且与辽宁暴雪频次空间分布基本对应,主要出现在辽河流域及以东地区;大风灾害主要受辽宁春季大风和夏季强对流天气影响,出现在4、7、8月,主要出现在沈阳、大连及辽宁西部地区.

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