论文部分内容阅读
故道概况江苏境内的黄河故道是一条蜿蜒曲折、高出两侧地面3～5米的沙垄,现名废黄河。自丰县二坝至滨海县大淤尖入海,全长496公里,宽度0.5～11.5公里不等,总面积1508平方公里.故道地面覆盖着5～10米厚的黄泛沉积物,主要是细砂和粗粉砂,随着潮化和耕作熟化过程,土壤质地自河床向两侧基本是飞沙土、沙土、两合土、淤土依次分布,低滩地上还分布着部分盐碱土.故道位于暖温带湿润气候区,根据1951～1980年江苏省地面气候资料,全年太阳辐
Old Course Overview The old course of the Yellow River in Jiangsu is a winding, higher than the ground on both sides of the 3 to 5 meters of the sand dunes, the current name of the Yellow River waste. A total area of 496 kilometers and a width of 0.5 to 11.5 kilometers range from a total area of 1508 square kilometers, with a total surface area of 5 to 10 meters thick and covered with yellow pan sediments, mainly fine sand And coarse silt, with the tide and tillage and maturation process, the soil texture from the riverbed to the two sides are basically sand, sand, two loam soil, silt in order to distribute some low salinity alkaline earth. Temperate humid climate zone, according to the ground climate data from 1951 to 1980 in Jiangsu Province, the annual solar radiation