| 太子河流域参考作物腾发量演变特征及气候影响因素分析 |
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| 引用本文： | 李禄,迟道才,张政利,石丽忠,刘丽,崔山山. 太子河流域参考作物腾发量演变特征及气候影响因素分析[J]. 农业工程学报, 2007, 23(9): 34-38 |
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| 作者姓名： | 李禄 迟道才 张政利 石丽忠 刘丽 崔山山 |
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| 作者单位： | 沈阳农业大学水利学院,沈阳,110160;沈阳农业大学水利学院,沈阳,110160;沈阳农业大学水利学院,沈阳,110160;沈阳农业大学水利学院,沈阳,110160;沈阳农业大学水利学院,沈阳,110160;沈阳农业大学水利学院,沈阳,110160 |
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| 基金项目： | 辽宁省教育厅科技公关项目;引进国际先进农业科技计划(948计划) |
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| 摘 要： | 采用太子河流域内8个气象站1960～2005年间气象资料，应用Penman-Montieth公式计算了46年间逐月参考作物腾发量(ET0)，对参考作物腾发量及气象要素的年际变化特征、月际变化特征及趋势进行了分析，应用统计检验方法分析了影响流域参考作物腾发量变化的主要气象因素。结果表明：近46年间太子河流域ET0值呈现缓慢下降趋势，年内ET0值分布以5、6月份最高，1月份最低。影响ET0的主要气候要素按影响程度强弱依次为日照、风速、温度、相对湿度。
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| 关 键 词： | 太子河流域 参考作物腾发量 趋势 影响因素 |
| 文章编号： | 1002-6819（2007）9-0034-05 |
| 收稿时间： | 2006-12-08 |
| 修稿时间： | 2006-12-08 |
Analysis of the change characteristics and effect factors of reference evapotranspiration in Taizi river basin |
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| Li Lu,Chi Daocai,Zhang Zhengli,Shi Lizhong,Liu Li and Cui Shen. Analysis of the change characteristics and effect factors of reference evapotranspiration in Taizi river basin[J]. Transactions of the Chinese Society of Agricultural Engineering, 2007, 23(9): 34-38 |
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| Authors: | Li Lu Chi Daocai Zhang Zhengli Shi Lizhong Liu Li Cui Shen |
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| Affiliation: | College of Water Resoure, Shengyang Agricultural University, Shenyang 110161, China;College of Water Resoure, Shengyang Agricultural University, Shenyang 110161, China;College of Water Resoure, Shengyang Agricultural University, Shenyang 110161, China;College of Water Resoure, Shengyang Agricultural University, Shenyang 110161, China;College of Water Resoure, Shengyang Agricultural University, Shenyang 110161, China;College of Water Resoure, Shengyang Agricultural University, Shenyang 110161, China |
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| Abstract: | In this paper, based on the meteorological data of the eight weather stations in Taizi river basin from 1960 to 2005, monthly reference evapotranspiration(ET0) was calculated by the Penman-Montieth formula, the characteristics and trend of ET0 and meteorological factors changed with year and month were analyzed, and the main factors affected ET0 were discussed with statistic method also. The results show that the ET0 in the Taizi river basin is decreased slowly over the past 46 years. The ET0 in May and June is the highest and that of in January is the lowest in the year. The sequences of the main factors affected ET0 are sunshine time, wind velocity, temperature and relative humidity. |
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| Keywords: | Taizi river basin reference evapotranspiration trend effect factor |
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