淤地坝是指在水土流失地区各级沟道中,以拦泥淤地为目的而修建的坝工建筑物,其拦泥淤成的地叫坝地。在流域沟道中,用于淤地生产的坝叫淤地坝或生产坝。一、淤地坝的形成黄河流域最早的淤地坝,不是人工修筑,而是天然塌方形成。明隆庆三年(1569年),陕西省子洲县裴家湾乡王家圪洞(黄土土瓜),由于山坡滑塌,堵塞沟道,形成天然聚湫,坝高62m,淤地 Silt dam refers to all levels of soil erosion areas in the channel to dam Silt for the purpose of building dam buildings, which blocks the muddy land called the dam. In the catchment of the river basin, dams used for siltation production are called silt dams or production dams. First, the formation of silt dam The first silt dam in the Yellow River Basin, not artificial construction, but the formation of natural landslides. Ming Longqing three years (1569), Pei Jia Wan County in Shaanxi Province Wanjiazhai Wang Jiazong hole (loess soil melon), due to the slipped landslides, blocking the channel, the formation of natural poly 湫 dam height of 62m, silt