位于黄河以北的河北平原主要由海河水系河流冲积或沉积而成,自燕山和太行山山麓向渤海湾倾斜,依次形成三个类型平原:山前为冲积、洪积倾斜平原;中部为泛滥冲积平原;东部为滨海冲积、湖积、海积平原。河北低平原主要指河北平原的中东部地区,地势低洼,泄水不畅,旱涝灾害频繁。“春天白茫茫,夏天雨汪汪,十年九不收,糠菜半年粮”“旱了收蚂蚱, The Hebei Plain north of the Yellow River is mainly formed by alluvial or sedimentary deposition of rivers in the Haihe River system. It slopes toward the Bohai Bay from the foot of Yanshan and Taihang Mountains. There are three types of plains formed in turn: the alluvial and alluvial plain in front of the piedmont and the alluvial plain in the middle ; The eastern coastal alluvial, lake plot, the sea plains. Hebei low plain mainly refers to the eastern part of Hebei plain, low lying, poor drainage, droughts and floods frequent disasters. ”Spring white, summer rain bark, ten years nine do not accept, half a year of bran food “ ”Dry received grasshopper,