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近30年阿克苏绿洲水面蒸发趋势及影响因素/The Tendency and Influencing Factors of Surface Water Evaporation in Aksu Oasis in Recent 30 Years[J]
Authors
中国科学院新疆生态与地理研究所阿克苏水平衡站,乌鲁木齐,830011
伊力哈木·伊马木
+6 more
施枫芝
李君
盛钰
胡顺军
赵成义
韩明
Publication date
1 January 2012
Publisher
Abstract
通过分析阿克苏站近30年的观测资料,研究阿克苏绿洲20cm口径蒸发皿、E-601蒸发器和20m^2蒸发池水面蒸发量的变化趋势,计算各蒸发器皿蒸发量之间的折算系数,分析气象要素对水面蒸发量的影响。结果表明:近30年各蒸发器皿蒸发量的变化均呈下降趋势,在1996年以后下降趋势较为显著。分析水面蒸发与气象要素的相关关系,得到水面蒸发量与水汽压差、气温、和风速有较好的相关关系,其中影响水面蒸发的主要因子是水汽压差。实测的20m^2蒸发池水面蒸发量与Penman-Monteith模式计算的参考作物蒸散量进行比较,结果表明两者的数值非常接近,年际变化趋势也基本一致
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Last time updated on 29/11/2016