Flood disaster situation analysis method and related equipment

Abstract

The invention provides a flood disaster situation analysis method, which comprises the following steps of: determining a disaster area, and obtaining a social media data set in a preset time range from an internet multi-source search platform by setting theme keywords and disaster subarea position information in the disaster area, constructing a social media data position pointing network according to the social media data set; and acquiring remote sensing image data of the affected area, and analyzing the affected degree of the affected sub-area in the affected area in combination with the social media data position pointing network and the remote sensing image data of the affected area. According to the method, the social media data position pointing network is constructed by acquiring the social media data, and the disaster degree of the disaster subareas in the disaster area can be evaluated and analyzed in detail by combining the social media data position pointing network and the remote sensing image data of the disaster area; and the disaster situation of the disaster subareas in the disaster area can be continuously monitored.

Description

technical field [0001] The invention relates to the technical field of flood disaster assessment and analysis, in particular to a flood disaster analysis method and related equipment. Background technique [0002] In recent years, the abnormal changes in the global climate have significantly increased the frequency of rainstorms and floods, resulting in a large number of casualties and property losses, seriously affecting the sustainable development of human society. With the advancement of science and technology, earth observation technology represented by satellite remote sensing has played an important role in the monitoring of flood disasters. The earth observation technology represented by satellite remote sensing has a wide monitoring range, and can analyze the disaster situation by comparing the imaging changes before and after the disaster, thereby providing effective information reference for disaster assessment and auxiliary rescue. However, this technology also h...

AI Technical Summary

Problems solved by technology

However, the relevant research is not sufficient, especially the insufficient consideration of the lack of social media data space information

When a flood occurs, the disaster status of the submerged area often limits the distribution of social media data, which makes it difficult to obtain the disaster status of the submerged area. There is often no social media data in this area, making it difficult to carry out effective disaster assessment and analysis of these areas. analyze

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