Compared three meteorological elements,such as rainfall,evaporation and temperature in 2011 and 2013,the summer drought of Dushan County in 2013 was evaluated and its causes were analyzed. The results showed that rainfall was minor ,temperature was higher ,and evaporation was larger. The causes of drought were concluded by comparative analysis to provide reference for drought relief and disaster evaluation.%利用2011年与2013年的雨量、气温、蒸发量3个气象要素作对比分析,对独山县2013年夏旱进行评估和成因分析。结果表明独山县夏旱降水量偏少,气温偏高,蒸发量偏大。利用对比分析的方法得出独山县干旱的原因,为抗旱救灾和灾情评估提供参考依据。
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