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从几年来资料整理中发現,蒸发量资料中常有負值及偏大等不合理现象产生,对資料質量是很大缺陷。为了改进工作,对此有进行实騐研究的必要,茲提出如下参考意見,供关心这方面工作的同志参考: 一、蒸发量数值为負及偏大等不合理原因,据几年来工作中的体会,系由于包括如下几方面誤差所造成: (1)目前我們所用仪器,一般均为80公分口徑,暴露在自然情况下的蒸发器,在降水强度較大的暴雨时候,水滴撞击蒸发器內水面,而有向外濺水現象,
From the data sorting over the past few years, it has been found that often there are some irrational phenomena such as negative values and large values in the evaporation data, which are very flawed to the data quality. In order to improve our work, we have made necessary experimental studies. We hereby submit the following suggestions for the comrades concerned with this work: First, unreasonable causes such as negative and oversize evaporation values, Experience, due to the following errors caused by the following: (1) At present, we are using the instruments are generally 80 cm caliber, exposed to the natural conditions of the evaporator, precipitation in the heavy rainfall when the water droplets hit the evaporator The water surface, and outward splashing phenomenon,