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在土壤侵蚀预报研究工作中,采用人工模拟降雨装置进行降雨试验,是加快研究工作进程的重要手段.开展天然降雨雨滴特性的研究,对于更好地进行人工模拟降雨试验又有着十分重要的意义.我们于1983、1984、1986年进行了辽西低山丘陵半干旱地区天然降雨雨滴特性的观测研究,现将研究结果报告如下.一、研究内容与研究方法(一)研究内容观测分析辽西低山丘陵半干旱地区天然降雨的雨滴组成与分布、雨滴中数直径与雨强、雨滴动能与雨强等雨滴特性,是研究的主要内容.
In the study of soil erosion prediction, using artificial simulated rainfall device to carry out rainfall experiment is an important means to speed up the research process.It is very important to study the characteristics of natural rainfall and raindrop in order to better simulate rainfall experiment. In 1983, 1984 and 1986, we observed and studied the characteristics of natural rainfall and raindrops in the semi-arid areas of the western Liaoning hilly region. The research results are reported as follows: 1. Research contents and research methods (1) Research content Observation and analysis of the western Liaoning hilly The composition and distribution of raindrops in natural rainfall in semi-arid area, the raindrops characteristics of mid-raindrop diameter and rainfall intensity, raindrop kinetic energy and rainfall intensity are the main contents of this study.