一、东北涝区基本特点东北春季干旱少雨,夏季暴雨集中,易发生洪涝灾害;冬季漫长而酷塞,无霜期短,絕大部分地区作物只有一年一熟。又因降雨在地区分布上的不均匀以及西部受内蒙季节性风砂侵袭,形成西部干旱,中、东部洪涝的特点。 First, the basic characteristics of the Northeast Waterlogging The northeast spring arid rain, summer heavy rain concentrated, prone to floods; winter long cool plug, frost-free period is short, the vast majority of crops only one year cooked. Due to the uneven distribution of rainfall in the region and the seasonal invasion of wind sand by the seasonal wind in Inner Mongolia in the west, the characteristics of floods in the arid, central and eastern western regions have been formed.