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Social media responses to heat waves
Jihoon Jung1, Christopher K Uejio2,3
1Department of Geography, Florida State University, Tallahassee, FL, USA. climategeo@gmail.com.
International Journal of Biometeorology
|January 13, 2017
Summary
Social network services like Twitter can track public health concerns during heat waves. Increased temperatures correlate with more heat-related tweets, though city responses vary.
Area of Science:
- Public Health
- Environmental Health
- Social Media Analysis
Background:
- Social network services (SNSs) offer potential for public health surveillance and information dissemination.
- Understanding public response to heat events via SNSs is crucial for targeted interventions.
Purpose of the Study:
- To analyze Twitter data for heat-related themes during a 182-day period.
- To associate outdoor heat exposure with tweet volumes across five major US cities.
- To examine the spatial and temporal patterns of public service announcements related to heat assistance.
Main Methods:
- Collected Twitter data on six heat-related themes (May-November 2014).
- Employed exploratory linear regression to link heat exposure and tweet counts.
- Utilized autoregressive integrated moving average (ARIMA) models to analyze heat and air conditioning tweets.
- Assessed the distribution of energy assistance and cooling center tweets.
Main Results:
- A significant positive relationship was found between maximum temperature and most heat-related themes.
- ARIMA models revealed city-specific relationships between heat exposure and tweet volume.
- A 1°C temperature increase correlated with a 0.09, 0.07, and 0.01 increase in transformed tweets in Atlanta, Los Angeles, and New York City, respectively.
- Limited use of Twitter for public service announcements regarding cooling centers and energy assistance was observed.
Conclusions:
- Twitter data can serve as a valuable tool for monitoring public health during extreme heat events.
- Public service announcements regarding heat-related assistance are not consistently disseminated via Twitter.
- Energy assistance programs predominantly focus on heating rather than cooling needs.
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