| 祁连山中段人工增雨(雪)的气候分析及其有利天气 |
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| 引用本文： | 李宗义,杨建才,李荣庆,程瑛.祁连山中段人工增雨(雪)的气候分析及其有利天气[J].甘肃气象,2006,24(1):23-27. |
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| 作者姓名： | 李宗义 杨建才 李荣庆 程瑛 |
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| 作者单位： | 兰州中心气象台 甘肃兰州730020 |
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| 基金项目： | 甘肃省人工增雨防雹作业天气条件支持系统项目 |
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| 摘 要： | 重点分析了祁连山下肃南的天气气候特点,探讨在祁连山区中段进行人工增雨(雪)的有利天气条件及其日数。结果表明,祁连山区中段的降水量远远大于河西盆地;降水量随海拔高度增加而增大;有利人工增雨(雪)的年平均日数有146.4 d;一年中3~10月每月有雨(雪)日在10 d以上;5~8月以对流性降雨为主。
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| 关 键 词： | 祁连山 增雨 气候分析 有利日数 |
| 文章编号： | 1006-7639（2006）-01-0023-05 |
| 收稿时间： | 2005-06-21 |
| 修稿时间： | 2005-06-212006-02-13 |
The Climatic Analysis on Weather Modification in Mid-section of Qilian Mountain and Available Weather Patterns |
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| LI Zong-yi,YANG Jian-cai,LI Rong-qing,CHENG Ying.The Climatic Analysis on Weather Modification in Mid-section of Qilian Mountain and Available Weather Patterns[J].Gansu Meteorology,2006,24(1):23-27. |
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| Authors: | LI Zong-yi YANG Jian-cai LI Rong-qing CHENG Ying |
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| Institution: | Lanzhou Central Meteorological Observatory, Lanzhou 730020, China |
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| Abstract: | In this paper,the climate and weather characteristics in Su'nan station which is located at the foot of the mid-section of Qilian mountain are analyzed in order to find the available weather patterns and days for weather modification.Results show that the annual precipitation in mid-section of Qilian mountain is much larger than that in Hexi basin,and the precipitation increases with the height above sea level,the annual average days available for weather modification are 146.4 d,the monthly rainy(snowy) days are more than 10 d from March to October in a year,it is convective rainfall mainly in May to August. |
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| Keywords: | Qilian mountain rainfall enhancement climatic analysis the available days for weather modification |
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