Evaluating Social Media Response to Urban Flood Disaster: Case Study on an East Asian City (Wuhan, China)
作者： Cheng , Han , Zhao , Li
DOI: 10.3390/SU11195330
关键词:
摘要: Social media is an important tool for disaster prevention and management. To reveal the public responses to disasters on social in context of East Asian culture, urban flood event that occurred Wuhan City, China, summer 2016 was selected as a case. Data were collected from Sina-Weibo, which earliest most popular platform China. We categorized total 17,047 messages into four types, analyzed Pearson correlation between information dissemination precipitation, identified accounts their networks by visualized analysis. The results show there one-day lag participation response. Message has steeply downward trend over time, is, long tail effect. Information disseminates quickly within two hours, then declines after with opinion disseminating faster than other types messages. Famous news organizations several celebrities play leading role networks. In general, Chinese netizens events lower people Western countries, not yet used
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