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陕西长武塬区蒸发皿蒸发量影响因子及预测
Authors
崔亚强
朱元骏
Publication date
1 January 2017
Publisher
Abstract
以长武农业生态试验站2007—2015 年的蒸发皿蒸发量与气象因子进行灰色关联和主成分分 析,研究不同时间尺度下影响蒸发皿蒸发的主要因子。结果表明: 年尺度下,温度、水汽压、气压和日 照时数是影响蒸发皿蒸发量的主要因子; 季节尺度下,影响蒸发皿蒸发的主要因素表现为: 春季受日 照时数和温度的影响,夏季受温度和气压的影响,秋季和冬季受日照时数和水汽压的影响; 月尺度下, 温度、日照时数、气压是影响蒸发皿蒸发的重要因子。基于主成分分析方法和多元线性回归分析法建 立了蒸发皿蒸发的预测公式,预测的相对误差为0. 45% ~ 90%,均方根误差为5. 56 mm。</p
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Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources
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Last time updated on 20/05/2019