| 孙静,阮本清,蒋任飞,许凤冉.青铜峡灌区参考作物蒸发蒸腾量与气象因子的灰色关联度分析[J].中国水利水电科学研究院学报,2006,(3): |
| 青铜峡灌区参考作物蒸发蒸腾量与气象因子的灰色关联度分析 |
| Analysis of grey relation degree of reference crops evapo- transpiration and meteorological variables in Qingtongxia Irrigation Area |
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| DOI： |
| 中文关键词: 青铜峡引黄灌区 参考作物蒸发蒸腾量 气象因子 灰色关联度 |
| 英文关键词:Qingtongxia Irrigation Area reference crop evapo-transpiration meteorological factors grey relation degree |
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| 中文摘要: |
| 在收集了青铜峡引黄灌区5 个气象站最近5 年气象资料的基础上, 应用1998 年FAO 修正彭曼-蒙特斯公式,计算出各站逐年的参考作物蒸发蒸腾量ET0 ; 在阐述灰关联分析理论与计算方法的基础上, 利用灰关联分析理论计算出各站各气象因子与ET0 的灰色关联度并进行排序。分析结果表明: 各气象因子对参考作物蒸发蒸腾量的影响都比较大, 尤其是日照时数、平均最高气温和年平均风速对各站的影响相对较大, 而最低气温、相对湿度和降雨对各站的参考作物蒸发蒸腾量的影响相对比较小。 |
| 英文摘要: |
| Based on the meteorological data collected from five weather stations from 1999 to 2003 in the Qingtongxia Irrigation Area, the reference crop evapo-transpirat ion ( ET0 ) was calculated by applying the Penman-Monteith equation recommended by FAO in 1998. The grey relation degrees were analyzed by means of the Grey Theory. The analysis results reveal that the grey relation degrees of some meteorological factors ( annual sunshine hours, average maximum temperature and average wind speed) with ET0 are significant , while other factors ( lowest temperature, relative humidity and annual rainfall) with ET0 are small. |
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