| 牙克石市1961-2010年无霜期变化特征分析 |
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| 引用本文： | 张艳娟.牙克石市1961-2010年无霜期变化特征分析[J].内蒙古农业科技,2014(3):97-99. |
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| 作者姓名： | 张艳娟 |
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| 作者单位： | 牙克石市气象局,内蒙古牙克石022150 |
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| 摘 要： | 选取牙克石市国家一般气象站1961-2010年霜、初终霜日期及无霜期日数,对牙克石市霜总体变化特征进行分析,结果表明：1961-2010年近50a无霜期日数变化呈缓慢增多趋势,增多倾向率为2.3d/10a.霜年总日数变化趋势为波动上升,上升倾向率为6.5d/10a,初霜日趋势是波动上升,以0.9d/10a的速度推后,终霜日期趋势是波动下降,以1.4d/10a的速度提前,与气候变暖趋势吻合.
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| 关 键 词： | 初霜日 终霜日 无霜期 变化特征 牙克石 |
Analysis of Frost Free Period Variation in 1961-2010 Years of Yakeshi |
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| ZHANG Yan-juan.Analysis of Frost Free Period Variation in 1961-2010 Years of Yakeshi[J].Inner Mongolia Agricultural Science and Technology,2014(3):97-99. |
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| Authors: | ZHANG Yan-juan |
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| Institution: | ZHANG Yan-juan (Yakeshi Meteorological Bureau, Yakeshi 022150,China) |
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| Abstract: | Selecting Yakeshi City National Meteorological Station from 1961 to 2010 the last frost date and early frost frost free days, the characteristics of overall change cream Yakeshi was analyzed, the results indicated that： 1961-2010 near 50 years frost free days showed a slow increasing trend, increased rate of 2.3d/10a. The frost year total number of days the trend for the fluctuating upward, rising trend rate was 6.Sd/10a, the first frost date trends was rising, with the speed of 0.9d/10a pushed back, the last frost date trends was decreased, with the speed of 1.4d/10a in advance, and that same as the warming trend. |
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| Keywords: | The first frost date The last frost date frost free period Variation |
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