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丹东地区春播期低温冷害及影响
引用本文:徐璐璐,高松影,于文革,李慧琳,白华. 丹东地区春播期低温冷害及影响[J]. 安徽农业科学, 2011, 39(2): 1021-1023
作者姓名:徐璐璐  高松影  于文革  李慧琳  白华
作者单位:丹东市气象局,辽宁丹东,118000
摘    要:[目的]分析丹东地区春播期低温冷害的气候特征及演变规律。[方法]利用丹东地区4个测站1961~2010年4月下旬至5月上旬日平均气温资料以及亚洲极涡面积和太阳黑子等特征量,对春播期低温冷害的成因背景进行分析。[结果]丹东地区4月下旬发生低温冷害的频率高于5月上旬,1980、1988和2010年出现了严重的低温冷害。[结论]线性倾向趋势分析表明,1961~2010年丹东地区低温日数呈增加趋势。

关 键 词:丹东  春播期  低温冷害  气候特征

Chilling Damage and Influence during Spring Sowing in Dandong City
Affiliation:XU Lu-lu et al (Dandong Meteorological Observatory,Dandong,Liaoning 118000)
Abstract:[Objective] To analyze climatic characteristics and evolution of chilling damage during spring sowing in Dandong City.[Method] By using the daily averaged temperatures from late April to early May(1961-2010) in four stations of Dandong City,Asia polar vortex area and sunspot,the causes of chilling damage during spring sowing were analyzed.[Result] The results showed that the chilling damage during spring sowing in late April was more than those of early May.Moreover,there was serious chilling damage in 1980,1988 and 2010.[Conclusion] Chilling damage days are increasing from 1961 to 2010.
Keywords:Dandong  Spring sowing  Chilling damage  Climatic characteristics
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