| 近50年长春市农业气象条件变化特征分析 |
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| 引用本文： | 杨雪艳,应爽,梁衍波. 近50年长春市农业气象条件变化特征分析[J]. 安徽农业科学, 2009, 37(29): 14247-14248 |
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| 作者姓名： | 杨雪艳 应爽 梁衍波 |
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| 作者单位： | 吉林省长春市气象局,吉林长春,130051 |
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| 摘 要： | 利用长春市1959～2008年的气温、降水、日照等气象资料，采用气候统计方法分析作物生长期内光资源、热量资源、水分条件及常见农业气象灾害的变化特征及气候趋势。结果表明：长春市作物生长期内日照时数呈下降趋势，但光照条件能满足作物生长需求；热量条件呈增加趋势，气温显著升高，初霜延后、终霜提前，无霜期延长，活动积温增加；水分条件呈下降趋势，降水减少，暖干化的趋势比较明显；洪涝、低温冷害、冰雹等农业气象灾害有减少的趋势，但干旱灾害趋于频繁而严重。
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| 关 键 词： | 光资源 热量资源 水分条件 低温冷害 干旱 |
Analysis of Agrometeorological Condition Changes in Changchun in Recently 50 Years |
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| YANG Xue-yan et al. Analysis of Agrometeorological Condition Changes in Changchun in Recently 50 Years[J]. Journal of Anhui Agricultural Sciences, 2009, 37(29): 14247-14248 |
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| Authors: | YANG Xue-yan et al |
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| Affiliation: | YANG Xue-yan et al (Changchun Meteorological Bureau,Changchun,Jilin 130051) |
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| Abstract: | Based on the meteorological data of temperature,precipitation,sunshine in Changchun from 1959 to 2008,the changed characters and climate trends of common agriculture meteorological disaster,such as the light resources,the thermal resources,the moisture condition were analyzed by climate statistical method.The results showed that the sunshine hours had a downward trend in the vegetal period of crops in changchun,but the illumination conditions could meet the growth requirements of crops;The thermal condition... |
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| Keywords: | Light resource Thermal resource Moisture condition Cold damage Drought |
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