论文部分内容阅读
在防汛斗爭中,正确掌握雨情十分重要。保定专区全区面积山区占一半以上,为海河流域大清河水系著名的暴雨中心所在地,境內河流成扇形輻射,汇集于天津前沿的白洋淀和东淀。由于山区河流源短流急,洪水迅猛,平原地区低洼坡緩,泄流不暢,每年汛期洪涝灾害威胁較大,并影响到天津市的防洪安全。解放以后,在党和人民政府的領导下,連年来开展了大规模的水利运动,特別是在1958年以后,山区
In the flood control struggle, it is very important to have a correct grasp of the rain conditions. Baoding Prefecture covers an area of more than half of the total area of the mountainous area. It is the famous rainstorm center of the Daqing River system in the Haihe River Basin. The rivers in the area are fan-shaped and radiate to Baiyangdian and Dongjian in the frontier of Tianjin. Due to the short stream flow and the rapid flood in mountainous areas, the low-lying slope in the plain area is poor and the drainage is poor. The floods in flood season are threatened by floods each year and affect the flood control safety in Tianjin. After the liberation, under the leadership of the party and the people’s government, a large-scale water conservancy campaign was carried out in recent years. Especially after 1958, mountainous areas