Characterization of human behavior in records of personal solar ultraviolet exposure records
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2020
Autori
Preez, David Jean duBlesic, Suzana
Wright, Caradee Y.
Stratimirović, Djordje
Ajtić, Jelena
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Allen, Martin
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Bencherif, Hassan
Konferencijski prilog (Objavljena verzija)
Metapodaci
Prikaz svih podataka o dokumentuApstrakt
We investigated scaling properties of measurements of personal exposure to solar ultraviolet radiation (pUVR) using the 2nd order detrended fluctuation analysis (DFA2) and the wavelet transform spectral analysis (WTS). Studies of pUVR are important to identify populations at-risk of excess and insufficient exposure given the negative and positive health impacts, respectively, of time spent in the sun. These very high frequency recordings are collected by electronic UVR dosimeters. We analyzed sun exposure patterns of school children in South Africa and construction workers and work site supervisors in New Zealand, and we found scaling behavior in all our data. The observed scaling changed from uncorrelated to long-range correlated with increasing duration of sun exposure. We found peaks in the WTS spectra that mark characteristic times in pUVR behavior, which may be connected to both human outside activity and natural (solar) daily cycles. We further hypothesized that the WT slope woul...d be influenced by the duration of time that a person spends in continuum outside and addressed this hypothesis by using an experimental study approach. To that end we performed combined DFA2-WTS analysis on a subset of individual records taken on the same day under very similar outdoor conditions and used the theoretical superposition rule provided by systematic assessments of effects of trends and nonstationarities on DFA2 as a methodological mean to trace and subsequently model human behavioral patterns in pUVR time series.
Ključne reči:
human behavior / solar ultraviolet exposureIzvor:
EGU General Assembly 2020, Online, 4–8 May 2020, EGU2020-303, 2020Izdavač:
- Copernicus Meetings
Povezane informacije:
- Povezani sadržaj
https://vet-erinar.vet.bg.ac.rs/handle/123456789/2341
Kolekcije
Institucija/grupa
Fakultet veterinarske medicineTY - CONF AU - Preez, David Jean du AU - Blesic, Suzana AU - Wright, Caradee Y. AU - Stratimirović, Djordje AU - Ajtić, Jelena AU - Allen, Martin AU - Bencherif, Hassan PY - 2020 UR - https://vet-erinar.vet.bg.ac.rs/handle/123456789/2340 AB - We investigated scaling properties of measurements of personal exposure to solar ultraviolet radiation (pUVR) using the 2nd order detrended fluctuation analysis (DFA2) and the wavelet transform spectral analysis (WTS). Studies of pUVR are important to identify populations at-risk of excess and insufficient exposure given the negative and positive health impacts, respectively, of time spent in the sun. These very high frequency recordings are collected by electronic UVR dosimeters. We analyzed sun exposure patterns of school children in South Africa and construction workers and work site supervisors in New Zealand, and we found scaling behavior in all our data. The observed scaling changed from uncorrelated to long-range correlated with increasing duration of sun exposure. We found peaks in the WTS spectra that mark characteristic times in pUVR behavior, which may be connected to both human outside activity and natural (solar) daily cycles. We further hypothesized that the WT slope would be influenced by the duration of time that a person spends in continuum outside and addressed this hypothesis by using an experimental study approach. To that end we performed combined DFA2-WTS analysis on a subset of individual records taken on the same day under very similar outdoor conditions and used the theoretical superposition rule provided by systematic assessments of effects of trends and nonstationarities on DFA2 as a methodological mean to trace and subsequently model human behavioral patterns in pUVR time series. PB - Copernicus Meetings C3 - EGU General Assembly 2020, Online, 4–8 May 2020, EGU2020-303 T1 - Characterization of human behavior in records of personal solar ultraviolet exposure records DO - 10.5194/egusphere-egu2020-303 ER -
@conference{ author = "Preez, David Jean du and Blesic, Suzana and Wright, Caradee Y. and Stratimirović, Djordje and Ajtić, Jelena and Allen, Martin and Bencherif, Hassan", year = "2020", abstract = "We investigated scaling properties of measurements of personal exposure to solar ultraviolet radiation (pUVR) using the 2nd order detrended fluctuation analysis (DFA2) and the wavelet transform spectral analysis (WTS). Studies of pUVR are important to identify populations at-risk of excess and insufficient exposure given the negative and positive health impacts, respectively, of time spent in the sun. These very high frequency recordings are collected by electronic UVR dosimeters. We analyzed sun exposure patterns of school children in South Africa and construction workers and work site supervisors in New Zealand, and we found scaling behavior in all our data. The observed scaling changed from uncorrelated to long-range correlated with increasing duration of sun exposure. We found peaks in the WTS spectra that mark characteristic times in pUVR behavior, which may be connected to both human outside activity and natural (solar) daily cycles. We further hypothesized that the WT slope would be influenced by the duration of time that a person spends in continuum outside and addressed this hypothesis by using an experimental study approach. To that end we performed combined DFA2-WTS analysis on a subset of individual records taken on the same day under very similar outdoor conditions and used the theoretical superposition rule provided by systematic assessments of effects of trends and nonstationarities on DFA2 as a methodological mean to trace and subsequently model human behavioral patterns in pUVR time series.", publisher = "Copernicus Meetings", journal = "EGU General Assembly 2020, Online, 4–8 May 2020, EGU2020-303", title = "Characterization of human behavior in records of personal solar ultraviolet exposure records", doi = "10.5194/egusphere-egu2020-303" }
Preez, D. J. d., Blesic, S., Wright, C. Y., Stratimirović, D., Ajtić, J., Allen, M.,& Bencherif, H.. (2020). Characterization of human behavior in records of personal solar ultraviolet exposure records. in EGU General Assembly 2020, Online, 4–8 May 2020, EGU2020-303 Copernicus Meetings.. https://doi.org/10.5194/egusphere-egu2020-303
Preez DJD, Blesic S, Wright CY, Stratimirović D, Ajtić J, Allen M, Bencherif H. Characterization of human behavior in records of personal solar ultraviolet exposure records. in EGU General Assembly 2020, Online, 4–8 May 2020, EGU2020-303. 2020;. doi:10.5194/egusphere-egu2020-303 .
Preez, David Jean du, Blesic, Suzana, Wright, Caradee Y., Stratimirović, Djordje, Ajtić, Jelena, Allen, Martin, Bencherif, Hassan, "Characterization of human behavior in records of personal solar ultraviolet exposure records" in EGU General Assembly 2020, Online, 4–8 May 2020, EGU2020-303 (2020), https://doi.org/10.5194/egusphere-egu2020-303 . .