商洛市秋封灾害浅析

Brief Analysis on Autumn Disasters in Shangluo City

利用商洛市1968～2010年有关气象资料,对该市秋封灾害进行全面分析。结果表明,玉米生长的中后期阴雨寡照与灌浆期低温共同作用是造成商洛市秋封的主要原因所在,秋封主要出现在8月中旬至9月底,主要影响的农作物是玉米生产。全区性的秋封大多发生在20世纪80年代。秋封主要发生在商洛市的北部和西部的县区,而南部则为秋封的少发区域。

By dint of relevant meteorological documents from 1980 to 2010,autumn stealing disasters of each year in Shaanxi were fully expounded.Results suggested that the combine influences of rainy days and little sunshine in middle and later period of corn growth and cold temperature during interplanting period were the reasons of autumn disasters in Shangluo City.Autumn disasters largely occurred from middle August to the end of September.The main influencing crops were corn production.The autumn disasters in the region occurred in 1980s.Autumn disasters mainly occurred in the north and west Shangluo City.There were little autumn disasters in the south Shangluo City.