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Exposure of Arctic Field Scientists to Ultraviolet Radiation Evaluated Using Personal Dosimeters

Cockell, Charles S. and Scherer, Kerstin and Horneck, Gerda and Rettberg, Petra and Facius, Rainer and Gugg-Helminger, Anton and Driscoll, Colin and Lee, Pascal (2001) Exposure of Arctic Field Scientists to Ultraviolet Radiation Evaluated Using Personal Dosimeters. Photochemistry and Photobiology, 74 (4), pp. 570-578. American Society for Photobiology.

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During July 2000 we used an electronic personal dosimeter (X-2000) and a biological dosimeter (Deutsches Zentrum für Luft- und Raumfahrt: Biofilm) to characterize the UV radiation exposure of arctic field scientists involved in biological and geological fieldwork. These personnel were working at the Haughton impact structure on Devon Island (75°N) in the Canadian High Arctic under a 24 h photoperiod. During a typical day of field activities under a clear sky, the total daily erythemally weighted exposure, as measured by electronic dosimetry, was up to 5.8 standard erythemal dose (SED). Overcast skies (typically 7–8 okta of stratus) reduced exposures by a mean of 54%. We estimate that during a month of field activity in July a typical field scientist at this latitude could potentially receive 80 SED to the face. Because of body movements the upper body was exposed to a UV regimen that often changed on second-to-second timescales as assessed by electronic dosimetry. Over a typical 10 min period on vehicle traverse, we found that erythemal exposure could vary to up to 87% of the mean exposure. Time-integrated exposures showed that the type of outdoor field activities in the treeless expanse of the polar desert had little effect on the exposure received. Although absolute exposure changed in accordance with the time of day, the exposure ratio (dose received over horizontal dose) did not vary much over the day. Under clear skies the mean exposure ratio was 0.35 ± 0.12 for individual activities at different times of the day assessed using electronic dosimetry. Biological dosimetry showed that the occupation was important in determining daily exposures. In our study, scientists in the field received an approximately two-fold higher dose than individuals, such as medics and computer scientists, who spent the majority of their time in tents.

Item URL in elib:https://elib.dlr.de/47943/
Document Type:Article
Title:Exposure of Arctic Field Scientists to Ultraviolet Radiation Evaluated Using Personal Dosimeters
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Cockell, Charles S.British Antarctic Survey, Cambridge, UKUNSPECIFIED
Gugg-Helminger, AntonGigahertz Optik, Puchheim, GermanyUNSPECIFIED
Driscoll, ColinNational Radiological Protection Board, Oxon, UKUNSPECIFIED
Lee, PascalNASA Ames Research Center, Moffett Field, CAUNSPECIFIED
Journal or Publication Title:Photochemistry and Photobiology
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 570-578
Publisher:American Society for Photobiology
Keywords:UV radiation exposure, DLR-Biofilm, X-2000, personal dosimetry
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W FR - Forschung unter Weltraumbedingungen (old)
DLR - Research area:Space
DLR - Program:W FR - Forschung unter Weltraumbedingungen
DLR - Research theme (Project):W - Vorhaben Strahlenbiologie (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Aerospace Medicine > Radiation Biology
Deposited By: Kopp, Kerstin
Deposited On:08 May 2007
Last Modified:27 Apr 2009 13:39

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