南阳市秋季干旱的预测邓桂梅李金华陈平（南阳市气象局·４７３０５５）１引言秋季是玉米、棉花、红薯等作物收获季节，也是麦播关键期。秋旱，特别是当伏旱和秋旱连续发生时，作物受危害程度较春旱、初夏旱更为严重。我们利用大气环流因子及本站资料，通过挑选、计算，建... Nanyang autumn drought forecast Deng Guimei Li Jinhua Chen Ping (Nanyang Meteorological Bureau · 473055) 1 Introduction Autumn is the harvest season of corn, cotton, sweet potato and other crops, but also the critical period of wheat sowing. Autumn droughts, especially when the summer drought and autumn droughts occur continuously, the harms of crops are more severe than those of spring drought and early summer drought. We use the atmospheric circulation factor and site information, through the selection, calculation, construction ...