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当前位置: 首页 > 文章 > 潜江市不同类型“寒露风”特征及演变趋势 湖北农业科学 2014,53 (13) 3006-3010
Position: Home > Articles > Characteristics and Evolving Trends of Different Types of “Cold Dew Wind”Weather in Qianjiang City Hubei Agricultural Sciences 2014,53 (13) 3006-3010

潜江市不同类型“寒露风”特征及演变趋势

作  者：
艾劲松;熊和琼;万磊;冯海旭;王雪
单  位：
湖北省潜江市气象局
关键词：
寒露风;湿冷型;演变趋势;潜江市
摘  要：
对潜江市54年不同类型、不同程度"寒露风"的发生状况和日数演变趋势以及周期进行了分析。结果表明,湿冷型"寒露风"发生次数高于干冷型,9月上中旬多为湿冷型"寒露风",9月下旬多为干冷型"寒露风"。研究还发现,从20世纪90年代开始,"寒露风"发生次数不断降低,总日数也在不断减少。小波分析结果表明,干冷型"寒露风"日数的显著周期为3~5年以及14~20年,湿冷型日数显著周期为2~3年、4~5年以及8~10年。证明潜江市选用杂交晚稻品种是正确的,因为其一般都在9月上旬抽穗扬花,有接近80%保证率的年份无"寒露风"危害,可以安全齐穗,但在防御湿冷型"寒露风"措施上更应加强。
译  名：
Characteristics and Evolving Trends of Different Types of “Cold Dew Wind”Weather in Qianjiang City
作  者：
AI Jin-song;XIONG He-qiong;WAN Lei;FENG Hai-xu;WANG Xue;Qianjiang Meteorological Bureau;
关键词：
cold dew wind;;wet-cold type;;evolvement trend;;Qianjiang city
摘  要：
Different types of "cold dew wind" happened in Qianjiang city during 54 years were analyzed on the occurring situation, evolving trend of occurring days and cycle. The results showed that the frequency of wet-cold type was higher than that of dry-cold type. In early and middle September, it was basically wet-cold type of cold dew wind. In late September, it was dry-cold type. It is revealed that from the beginning of 1990 s, both the frequency and the total occurring days of "cold dew wind" continued to decrease. The results of significant wavelet analysis showed that the prominent periods of dry-cold type "cold dew wind" occurring days were about 3~5 years and 15~18 years. For the wet type, the prominent periods were2~3 years, 4~5 and 8~10 years. The results provided verification for the choice of late hybrid rice. Because its heading-flowering stages was generally in the early September, it could avoid "cold dew wind" harm and safely get full heading. But for this late hybrid rice, the defensive measures of preventing wet-cold type should be strengthened.

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