| 安康地区降水变化特征及趋势分析 |
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| 引用本文： | 臧金丹,张阳生.安康地区降水变化特征及趋势分析[J].地下水,2011,33(2):176-178. |
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| 作者姓名： | 臧金丹 张阳生 |
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| 作者单位： | 西北大学,城市与环境学院,陕西,西安,710127 |
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| 摘 要： | 根据安康地区48年气象中的降水资料,采用线性回归法、累积距平法,以及5年滑动平均曲线研究方法,对安康地区48年降水变化从年、季、月的时间角度进行了比较,从而分析了安康地区降水变化特征及规律.结果表明,安康地区48年来,降水呈缓慢减少趋势,但21世纪后降水将呈现略微增加趋势,降水主要集中在夏季、春秋两季降水呈减少趋势,夏...
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| 关 键 词： | 降水 变化趋势 安康 |
Precipitation Characteristics and Trend Change in Ankang Area |
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| ZANG Jin-dan,ZHANG Yang-sheng.Precipitation Characteristics and Trend Change in Ankang Area[J].Groundwater,2011,33(2):176-178. |
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| Authors: | ZANG Jin-dan ZHANG Yang-sheng |
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| Institution: | (Department of Urban and Environmental,Northwest University,Xi’an 710127,Shaanxi) |
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| Abstract: | The trend of precipitation in Ankang area were analyzed based on 48 years of meteorological precipitation data by using Linear regression,accumulated variance method and 5 year running mean curve included the variations of year,season and month for the whole region.The results show: The annual precipitation is reducing over the past 48 years in Ankang,but it will be increasing in the 21 century through 7 year running mean curve.Precipitation mainly concentrated in summer,is decreased in spring and autumn while increased in summer and winter. |
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| Keywords: | Precipitation trend Ankang |
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