兰州市区滑坡泥石流危害、成因及其防治对策

兰州地处我国地理中心，国家重要的工业基地和经贸中心。在今天的西部大开发中，兰州具有"承东启西"的战略地位，肩负着经济建设和战略转移的重任，是国家开发西部的重要窗口，已成为西北区域联结内陆城市的桥梁和基地，也是西北最具有发展潜力的城市。同时兰州又是在中国各大城市中，滑坡泥石流频发率较高，受危害最严重的城市之一。近50年来，就有300多人死于滑坡泥石流灾害，财产损失也极为惨重，滑坡泥石流等地质灾害直接威胁着这一省会城市经济、社会可持续发展。通过对兰州市区地形、地貌特点和滑坡泥石流危害及成因分析，提出了防治对策

Formative Causes of Landslide and Debris Flow in Lanzhou City and Preventives

Lanzhou, located in the middle of our country, is the center of industry, economy and trade in China.At present, Lanzhou is an important city in the strategy of developing western area and has the greatest potential to develop.Meanwhile, Lanzhou is one of the cities that severely threatened by landslide and debris flow.Over the past 50 years, 300 died of landslide and debris flow, and damage was great in property.The disasters such as landslide and debris flow directly threaten the economy and sustainable development of this city.The author advances controlling measures for these disasters by analyzing Lanzhou’s topography, the harm of disasters and its formative causes.