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Social and geographical disparities in Twitter use during Hurricane Harvey

International Journal of Digital Earth 2019年第11期12卷 1300-1318页

作者： Lei Zou Nina S.N.Lam shayan shams Heng Cai Michelle A.Meyer Seungwon Yang Kisung Lee Seung-Jong Park Margaret A.Reams Department of Geography College StationTXUSA Department of Environmental Sciences Louisiana State UniversityBaton RougeLAUSA Division of Computer Science and Engineering Center for Computation and TechnologyLouisiana State UniversityBaton RougeLAUSA Department of Sociology Louisiana State UniversityBaton RougeLAUSA Department of Landscape Architecture and Urban Planning Texas A&M UniversityCollege StationTXUSA School of Library and Information Science Center for Computation and TechnologyLouisiana State UniversityBaton RougeLAUSA

Socialmedia such as Twitter is increasingly beingused as an effective platform to observe human behaviors in disastrous ***,uneven social media use among different groups of population in different regions could lead to biased consequences and affect disaster *** paper studies the Twitter use during 2017 Hurricane Harvey in 76 counties in Texas and *** seek to answer a fundamental question:did socialgeographical disparities of Twitter use exist during the three phases of emergency management(preparedness,response,recovery)?We employed a Twitter data mining framework to process the data and calculate two indexes:Ratio and *** analyses between the Ratio indexes and the social-geographical characteristics of the counties at the three phrases reveal significant social and geographical disparities in Twitter use during Hurricane *** with higher disasterrelated Twitter use in Harvey generally were communities having better social and geographical *** results of Twitter use patterns can be used to compare with future similar studies to see whether the Twitter use disparities have increased or *** research is also needed to examine the effects of Twitter use disparities on disaster resilience and to test whether Twitter use can predict community resilience.

关键词： Social media Twitter Hurricane Harvey emergency management digital divide social and geographical disparities

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