Use of smartphone apps to monitor human exposure to solar radiation: Comparison between predicted and measured UV index values

Salvadori, Giacomo; Leccese, Francesco; Lista, Davide; Burattini, Chiara; Bisegna, Fabio

doi:10.1016/j.envres.2020.109274

Cited by 13 publications

(8 citation statements)

References 22 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Several researchers now propose smartphone applications for UVI forecasts, given that occupational or recreational sun exposure is crucial to public health. Recent publications have developed algorithms for evaluating erythemal UV doses on sloped surfaces and their application to the human body [20]. In addition, methods for daily vitamin D synthesis in outdoor and indoor conditions are being studied, with a small outdoor UVI sensor sending information to the smartphone, evaluating the user's daily dose, estimating the amount of vitamin synthesis, and gauging the UVB LED lighting required in indoor conditions [21,22].…”

Section: Introductionmentioning

confidence: 99%

Erythemal Solar Irradiance, UVER, and UV Index from Ground-Based Data in Central Spain

Bilbao

Migue

2020

Applied Sciences

View full text Add to dashboard Cite

The study shows an analysis of a 7-year data set measuring Ultraviolet-B (UVB) irradiance values and ultraviolet index TABLEUVI) values derived from ground-based broadband irradiance measurements, satellite-derived total ozone, and UVB solar irradiance recorded in Valladolid (Central Spain). Ultraviolet-B (UVB) solar irradiance measurements in the range (280–315 nm) carried out during the period 2013–2019 at a continental Mediterranean solar station, located in Valladolid (Spain), were analyzed. UVB data recorded using a YES UVB-1 pyranometer were used to estimate erythemal irradiance, ultraviolet erythemal irradiance (UVER), UVI, cumulative dose, and sun protection. Hourly UVER data in January (minimum values) and June (maximum values) were analyzed as an average year for the measurement station. Differences between UVI values at solar noon and the maximum daily value were minimal. It was found that on certain summer days, maximum daily UVI and SED (cumulative daily dose) could be over 12 and 60, respectively. The cumulative dose on the horizontal surface was calculated at the station for different skin types. It was observed that over 45% of the annual dose is received in summer, about 30% in spring, over 15% in autumn, and less than 10% in winter. In addition, the relationship between the maximum daily UVI and the annual accumulated dose in SEDs was studied to provide information on sun protection under low UVI conditions.

show abstract

Section: Introductionmentioning

confidence: 99%

Erythemal Solar Irradiance, UVER, and UV Index from Ground-Based Data in Central Spain

Bilbao

Migue

2020

Applied Sciences

View full text Add to dashboard Cite

show abstract

“…In terms of prevention, these results are important and should be stressed during workers training, indicating that UVR exposure may be very high also during spring (and autumn) and, for this reason, an adequate work organization, including UV protective clothes, hats and glasses in case, and an adequate information on the UV risk should always be provided to outdoor workers. To better communicate the UV-related risk also at workers' trainings, it should be useful to implement the use of smartphone apps able to predict UV index values, even if it has to be noticed that only few apps are actually consistent with real-time exposure data [21].…”

Section: Discussionmentioning

confidence: 99%

Occupational solar UV exposure in construction workers in Italy: results of a one-month monitoring with personal dosimeters

Modenese

Gobba

Paolucci

et al. 2020

2020 IEEE International Conference on Environment and Electrical Engineering and 2020 IEEE Industrial and Commercial Power Syst

View full text Add to dashboard Cite

“…The ultraviolet radiation index data were obtained from the Weather Forecast and Climate Studies Center (CPTEC) website of the National Institute for Space Research (INPE) (http://satel ite.cptec .inpe.br/uv/). The data were measured at Station 83971, located in Porto Alegre, located at latitude −29.99, longitude −51.17 at an altitude of 3 m. The UV index value was converted to the equivalent value in energy, multiplying by 25, which is the corresponding energy value of each index unit [25]. The stations were 6.5 km from the experiment site.…”

Section: Obtaining Solarimetric Datamentioning

confidence: 99%

A new continuous-flow solar water disinfection system inactivating cysts of Acanthamoeba castellanii, and bacteria

Chaúque

Benetti

Corção

et al. 2021

Photochem Photobiol Sci

View full text Add to dashboard Cite

Solar water disinfection (SODIS) is an effective and inexpensive microbiological water treatment technique, applicable to communities lacking access to safely managed drinking water services, however, the lower volume of treated water per day (< 2.5 L per batch) is a limitation for the conventional SODIS process. To overcome this limitation, a continuous-flow solar water disinfection system was developed and tested for inactivation of Acanthamoeba castellanii cysts and Escherichia coli, Salmonella Typhimurium, Enterococcus faecalis, and Pseudomonas aeruginosa. The system consisted of a solar heater composed of a cylindrical-parabolic concentrator and a UV irradiator formed by a fresnel-type flat concentrator combined with a cylindrical-parabolic concentrator. Deionized water with low or high turbidity (< 1 or 50 nephelometric turbidity unit (NTU) where previously contaminated by 10 8 Cysts/L or 10 5 -10 6 CFU/mL of each of four bacterial species. Then was pumped from the heating tank flowing through the heater and through the UV irradiator, then returning to the heating tank, until reaching 45, 55, 60 or 70 °C. The water was kept at the desired temperature, flowing through the UV irradiator for 0.5 and 10 min. Trophozoites were not recovered from cysts (during 20 days of incubation) when water with < 1 NTU was exposed to UV and 60 °C for 0.5 min. In water with 50 NTU, the same result was obtained after 10 min. In water with < 1 NTU, the inactivation of all bacteria was achieved when the water with < 1 NTU was exposed to 55 °C and UV for 0.5 min; in water, with 50 NTU the same result was achieved by exposure to 60 °C and UV for 0.5 min. The prototype processes 1 L of water every 90s. The system is effective and has the potential to be applied as an alternative to the large-scale public drinking water supply.

show abstract

Use of smartphone apps to monitor human exposure to solar radiation: Comparison between predicted and measured UV index values

Cited by 13 publications

References 22 publications

Erythemal Solar Irradiance, UVER, and UV Index from Ground-Based Data in Central Spain

Erythemal Solar Irradiance, UVER, and UV Index from Ground-Based Data in Central Spain

Occupational solar UV exposure in construction workers in Italy: results of a one-month monitoring with personal dosimeters

A new continuous-flow solar water disinfection system inactivating cysts of Acanthamoeba castellanii, and bacteria

Contact Info

Product

Resources

About