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长江流域现已研究过的滑坡有1,203处,主要分布在上游西部地区,数量多,规模大;其次是中部地区,规模多为中小型,但涪陵—南津关的长江两岸斜坡部分地区有上千万立方米的大型和特大型滑坡;东部区滑坡分布更少,规模以几万到几十万立方米居多。这是由于新构造活动、岩土体稳定性、斜坡形态、降雨强度、河流侧向侵蚀和人为活动对斜坡变形的影响所致。随着经济和工程活动增多,流城内的滑坡有急剧发展趋势。
There are 1,203 landslides that have been studied in the Yangtze River Basin, mainly distributed in the upper reaches of the western region, with a large number and large scale. The second is the central region, mostly small and medium-sized, but there are thousands of slopes in the Fuling-Nanjin Pass Million cubic meters of large and extra large landslides; the eastern region less landslide distribution, the scale of tens of thousands to hundreds of thousands of cubic meters. This is due to the influence of new tectonic activity, rock and soil stability, slope morphology, rainfall intensity, lateral river erosion and human activities on slope deformation. With the increase in economic and engineering activities, the landslide in the city has a rapid development trend.