| 两千年华西秋雨的初步研究 |
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| 引用本文： | 任炳潭,李惠颖.两千年华西秋雨的初步研究[J].气象,1987,13(9):21-24. |
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| 作者姓名： | 任炳潭 李惠颖 |
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| 作者单位： | 河南洛阳地区气象处
(任炳潭)，河南洛阳地区气象处(李惠颖) |
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| 摘 要： | 分析河南西部、湖北西部、陕西南部和中部等华西地区近两千年的秋雨概况,得出在1949年中,秋雨明显的年份共有353次,大约平均5.5年即可发生一次明显秋雨年。1950—1985年(共36年)明显秋雨年份有8年。历史上(公元后)华西秋雨有两个特少期、两个偏少期、三个偏多期和一个特多期。近代,华西处于秋雨特多的周期中。未来30年明显秋雨年份将显著减少,应注意秋旱现象。
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A preliminary approach to rainy autumns over West China in recent 2000 years |
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| Abstract: | It shows that there are 353 years with rainy autumn from A. D. first to 1949, that is, one in about every 5.5 years. From A. D. 1950 to 1985, there are 8 years with rainy autumn. From A. D. first to 1985, there are two below periods (years with rainy autumn below average), two very below ones, three above ones, and one very above one. It lies in very above period now, and in the coming 30 years, rainy autumns will below. |
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