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基于对榆阳区地质灾害的详细调查,分析该区地质环境条件,讨论其地质灾害类型、危害、分布规律和活动特征。结果表明,该区地质灾害类型少,分布广,局部密集,小型灾点多,影响因素多,发生频率高,具有群发性、突发性、差异性和链生性。
Based on a detailed investigation of the geological disasters in Yuyang District, the geological and environmental conditions in the area are analyzed, and the types, hazards, distribution rules and activities of the geological hazards are discussed. The results show that there are a few types of geological disasters in the area, which are widely distributed, densely populated, small and disastrous, with many influencing factors and high frequency of occurrence, with the characteristics of mass, suddenness, difference and chaininess.