陇南春

用EOF方法分析陇南春末夏初旱涝状况，时空分布特征和对农业生产的影响规律，分片建立春末夏初旱涝均生函数预测模型。

The spatial distribution character of the flood and drought and its effect on agriculture production were analyzed using EOF method . Prediction models of the mean generating function method were established for different regions .

通过分析1963~2003年气象及玉米产量资料，制定衡量陇南春末夏初旱涝特征的旱涝指数；

Through analyzing the weather and maize yield data from 1963 to 2003 according to the climatic rule and the condition of agriculture production , the index figure for judging the quantitative character of floods and droughts determined .

陇南山区春末夏初旱涝指数的确定与预测研究

Determination and prediction of flood and drought index for late spring and early summer in Longnan mountain area