Study on urban construction land optimization based on geological environment suitability evaluation

In order to realize the optimal allocation of urban construction and geological environment resources, in this paper, the suitability evaluation index system is established, the comprehensive index method is used to evaluate, and the various evaluation factors are superimposed and analyzed. The results show that the area with good suitability accounts for 44.34%. The area with good suitability accounts for 33.86%. The area with medium suitability accounts for 19.27%, and the area with poor suitability accounts for about 2.49%. In this paper, the comprehensive environmental index method is used to evaluate the geological environment factors affecting the urban construction of Xi’an. The Xi’an urban construction geological environment suitability zoning is obtained.