【摘要】 依据汶川大地震后甘肃省国土资源厅的排查资料,统计分析了甘肃省南部白龙江中游地区汶川大地震次生地质灾害的特征和分布规律,研究了其分布与主要影响因素的关系。结果表明地震次生地质灾害的分布在较大程度受坡度、地层岩性和人类活动影响。研究结果可为灾后重建场地选择和次生地质灾害防治提供参考。更多还原

【Abstract】 According to the investigation information from relevant departments which is organized by Gansu Provincial Department of Land Resources after the great Wenchuan earthquake in 2008,the characteristics and distribution of induced geological disasters,and the relationship between the disasters distribution and main influencing factors in the middle reaches of Bailongjiang River in Gansu province are analyzed.The results show that the distribution of earthquake induced geological disasters is affected by slope gradient,stratum lithology and human activity in a large extent.The result provide some references to selecting post-disaster reconstruction location and the prevention to induced earthquake geological disasters.更多还原