基于辐射的潜在蒸散发量估算方法在黑河流域的适用性分析Radiation-based methods to estimate potential evapotranspiration in the Heihe River Basin
赵捷,徐宗学,左德鹏,张兰影
摘要(Abstract):
准确估算流域潜在蒸散发量(PET)具有重要意义。文中基于黑河流域16个国家基本气象站1990~2000年的历史气象数据,利用FAO56-PM法和其它6种基于辐射的PET估算方法,对各站点PET进行估算。以PM法的计算结果作为标准,对6种方法进行参数校正,并对其估算精度进行评价。结果表明:采用初始参数时,Hargreaves法在黑河流域的PET估算精度最高。经过参数校正,Makkink法估算PET的精度最高。因此,在计算黑河流域PET时,推荐使用经过参数校正后的Makkink法。
关键词(KeyWords): 黑河;潜在蒸散量;辐射
基金项目(Foundation): 国家自然科学基金重大计划重点支持项目(91125015)资助
作者(Author): 赵捷,徐宗学,左德鹏,张兰影
DOI: 10.13448/j.cnki.jalre.2013.10.033
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