镇江地区降雨导致滑坡规律统计分析

江苏镇江地区地属丘陵地带，近年来由于气候变化，调查资料显示镇江地区短时强降雨或持续时间较长的降雨经常诱发大量浅层滑坡，降雨是区内滑坡主要影响因素，造成了较大的经济损失。文章通过对镇江地区300多个山体边坡进行详细现场环境地质调查，结合收集气象资料，对该地区的滑坡与降雨相关参数的关系进行统计分析，得到了降雨量与降雨持续时间对滑坡数量的变化关系。确定了镇江地区降雨阈值I-D 曲线，并将分析结果与其他地区进行了对比分析，研究成果可为镇江地区滑坡治理和预警预报提供依据。

Statistical Analysis of Landslides Law Caused by Rainfall in Zhenjiang Area

Zhenjiang is located in a hilly area in Jiangsu Province. In recent years, investigation data shows that short-term strongrainfall or long-lasting rainfall in Zhenjiang area often induced a large number of shallow landslides. So, rainfall is the main influencingfactor of landslides in Zhenjiang area, which has caused great economic losses. In this paper, more than 300 mountain slopes inZhenjiang area were investigated in detail, and the relationships between landslides and rainfall related parameters were analysedbased on meteorological data. The relationships between rainfall, duration and the number of landslides were obtained. The I-D curveof rainfall threshold in Zhenjiang area was determined, and the analysis results were compared with those in other areas. The researchresults provided a basis for landslide control, early warning and prediction in Zhenjiang area.