Spatial analysis of the role of army forces in reducing the effects of natural disasters (earthquake) (case study: Khoi city)

Natural disasters are disastrous events in the atmosphere, land and water, which include earthquakes, volcanic eruptions, tsunamis, floods and droughts. Natural disasters can start suddenly or gradually and have serious health, social and economic consequences. The current research is applied in terms of purpose and descriptive-analytical in terms of nature and method. The required information was collected by document-library method, questionnaire and direct observation, which includes the information of the damaged rural areas of Khoi city in the earthquake of 1401 and the information collected by completing the questionnaire by the residents. In order to spatially analyze the damaged rural areas of Khoi city, the kernel technique, the average nearest neighbor distance model and the spatial analysis of hot spots were used in the ArcGIS software environment. Also, for the questionnaire analysis, the single-sample T test was used in the SPSS software environment. has been taken Based on the output of the spatial analysis of damaged rural areas using hot spots analysis and kernel technique in ArcGIS software environment, the central part and Firourq contain the highest percentage of damaged rural areas. Based on the results of the investigation of the role of the army forces in reducing the effects of the earthquake after the disaster from the residents' point of view, a large part of the residents believe the role of the army forces in the field of creating order and security, creating psychological peace and operations construction projects and the establishment of field hospitals agree to reduce the effects of earthquakes after the disaster.