Urban inland inundation public opinion monitoring and early warning method based on big data

Abstract

The invention discloses an urban inland inundation public opinion monitoring and early warning method based on big data. The method comprises five levels of data acquisition, data processing, public opinion analysis, visual display and system management. The method comprises the following steps: firstly, performing structured processing on collected public opinion big data related to urban inlandinundation, and analyzing an urban inland inundation event popularity index trend, an inland inundation whole-network information source proportion, keyword clustering, viewpoint deviation of netizensto inland inundation events, inland inundation event propagation nodes and the like; the system provides rainfall monitoring, rain condition tracking, waterlogging point display, traffic route guidance and other application services, and visualized display is carried out through a client, a display screen, a mobile terminal and other modes. The system establishes multi-level user management authority, realizes dynamic monitoring and early warning of urban inland inundation public opinions, responds quickly, and provides efficient information service and decision support for managers and social people.

Description

technical field [0001] The invention belongs to the technical field of urban flood control and disaster reduction, and in particular relates to a method for monitoring and early warning of urban waterlogging public opinion based on big data. Background technique [0002] Global climate change is unpredictable, urbanization is developing rapidly, natural disasters caused by extreme weather occur frequently, and rainfall in some areas increases, resulting in frequent occurrence of urban waterlogging. It is an important part of emergency management to respond in advance to the development of public opinion on urban waterlogging events. [0003] With the rapid development of Internet technology, various network platforms have become the main channels for the public to express their opinions and obtain information, and the big data of public opinion under various websites has become the main carrier of public opinion analysis. Network public opinion monitoring refers to the proc...

AI Technical Summary

Problems solved by technology

[0004] At present, many Internet public opinion monitoring platforms have been built around the world, but they are mainly based on the summary of network data, the content and fields involved are too complicated, and there is a lack of professional information mining. Accurate and efficient decision-making basis, especially the public opinion dynamic monitoring and early warning system for urban waterlogging, a typical natural disaster event, has not yet been publicly reported

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