一、暴雨滑坡分布简况1981年雨季四川连降暴雨,使全省十八个地、市、州的90多个县区发生了约6万处滑坡,造成重大损失的有4.7万处,30多万人受灾,死亡300多人,倒塌房屋7.4万间,造成危房9万间,使6万人无家可归,并毁坏了大量耕地和山林。据初步统计,滑坡密集在旺苍、广元、南江、苍溪、巴中、仪陇、盐亭、剑阁、南部、三台、射洪、阆中、中江、龙泉山等14个县、区,集中分布在四川盆地北部和中部的低山、丘陵地带。这些滑 I. Brief Introduction of Heavy Rainfall Landslide In the rainy season in 1981, heavy rains continued in Sichuan, causing about 60,000 landslides in more than 90 counties and districts in 18 prefectures, cities and prefectures of the province with 47,000 heavy losses and more than 30 Thousands were affected and more than 300 people were killed and 74,000 houses were collapsed, leaving 90,000 dilapidated buildings, leaving 60,000 people homeless and destroying a great deal of cultivated land and forests. According to preliminary statistics, landslides are concentrated in 14 counties and districts such as Wangcang, Guangyuan, Nanjiang, Cangxi, Bazhong, Yilong, Yanting, Jiange, Southern, Santai, Shehong, Langzhong, Zhongjiang and Longquan Mountains Distributed in the northern and central Sichuan Basin in the hilly, hilly areas. These slippery