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Sun behaviour on the beach monitored by webcam photos
I M Heerfordt1, P A Philipsen1, H C Wulf1
1Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, Denmark.
Beachgoers show a weak tendency to limit sun exposure during peak UV hours. Actual sun behavior data can inform public health campaigns for skin cancer prevention.
Area of Science:
- Dermatology
- Public Health
- Environmental Science
Background:
- Skin cancer prevention guidelines recommend limiting sun exposure, wearing protective clothing, and seeking shade during midday.
- Understanding public behavior is crucial for effective sun safety campaigns.
Purpose of the Study:
- To quantify beachgoer numbers, sun exposure duration, and clothing habits at a Copenhagen beach.
- To assess adherence to sun protection recommendations.
Main Methods:
- An observational, descriptive study was conducted over 11 beach days in 2014-2015.
- Beachgoers were counted hourly (8:00-20:00), and attire (clothes vs. swimwear) was recorded.
- Sun exposure duration was estimated by car parking times.
Main Results:
- 46% of beachgoers visited between noon and 15:00, with peak attendance at 15:00 (weekends) and 16:00 (weekdays).
- The lowest percentage of individuals wearing protective clothing (approx. 90% in swimwear) occurred at 13:00.
- Average car parking duration was 117 minutes, increasing to 142 minutes around noon.
Conclusions:
- Findings suggest a limited tendency among beachgoers to reduce sun exposure during peak ultraviolet radiation hours.
- Observed sun-seeking behaviors may necessitate adjustments to current public health campaigns for skin cancer prevention.
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