According to the Luodian County meteorological station in 1977～2010 year 34 year surface observation material,and as the contrast Pingtang County meteorological station material,analyzed the Luodian air temperature target all previous years to be practical,curve change tendencies and so on tendency,running mean,contrasted around the reservoir storage the change;Calculates Luodian,the Pingtang two station temperature differential value,after T-test storehouse year difference difference significance,if has the remarkable difference,thought that the reservoir is influential to the temperature.The analysis obtains：The Luodian temperature target assumes the rise basically the tendency,after the storehouse,before the mean value is bigger than the storehouse,the mean value 0.4 or 0.5 ℃;The Luodian temperature annual range＇s change tendency is slightly has reduces,the diurnal range all previous years change tendency is gentle.The reservoir has the inhibitory action to the temperature trend of escalation,to the annual range,the diurnal range has the reduction function,but affects is not very obvious.%根据罗甸县气象站1977年～2010年34年的地面观测资料,及作为对比的平塘县气象站资料,分析罗甸气温指标的历年实际、趋势、移动平均等曲线变化趋势,对比水库蓄水前后的变化;计算罗甸、平塘两站气温的差值,用t检验库后年份差异点的差异显著性,如有显著差异,认为水库对气温有影响。分析得到：罗甸气温指标基本呈上升的趋势,库后平均值大于库前平均值0.4℃或0.5℃;罗甸气温年较差的变化趋势是略有减小,日较差历年变化趋势平缓。水库对气温的上升趋势有抑制作用,对年较差、日较差有减小的作用,但影响都不是很明显。
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