SUNBURNING ULTRAVIOLET RADIATION AT INVERCARGILL, NEW ZEALAND

1987 ◽  
Vol 7 (1) ◽  
pp. 21 ◽  
Author(s):  
Nichol ◽  
Basher
1992 ◽  
Vol 12 (2) ◽  
pp. 83 ◽  
Author(s):  
White ◽  
Smith ◽  
Ryan ◽  
Coppell ◽  
Backshall ◽  
...  

Atmosphere ◽  
2020 ◽  
Vol 11 (5) ◽  
pp. 440
Author(s):  
Nathan J. Downs ◽  
Taryn Axelsen ◽  
Alfio V. Parisi ◽  
Peter W. Schouten ◽  
Ben R. Dexter

Triathletes present an extreme case of modelled behaviour in outdoor sport that favours enhanced exposure to solar ultraviolet radiation. This research presents personal solar ultraviolet exposures, measured using all-weather polysulphone film dosimeters, to triathletes during the distinct swimming, cycling and running stages of competitive Sprint, Olympic and Ironman events conducted within Australia and New Zealand. Measurements of exposure are made for each triathlon stage using film dosimeters fixed at a single site to the headwear of competing triathletes. Exposures are expressed relative to the local ambient and as absolute calibrated erythemally effective values across a total of eight triathlon courses (two Ironman, one half Ironman, one Olympic-distance, and four Sprint events). Competitor exposure results during training are also presented. Exposures range from between 0.2 to 6.8 SED/h (SED: standard erythema dose) depending upon the time of year, the local time of each event and cloud conditions. Cycle stage exposures can exceed 20 SED and represent the highest exposure fraction of any triathlon (average = 32%). The next highest stage exposure occurred during the swim (average = 28%), followed by the run (average = 26%). During an Ironman, personal competitor exposures exceed 30 SED, making triathlon a sporting discipline with potentially the highest personal ultraviolet exposure risk.


2001 ◽  
Vol 52 (7) ◽  
pp. 1023 ◽  
Author(s):  
Rowena Rae ◽  
Rowena Rae ◽  
Dieter Hanelt ◽  
Dieter Hanelt ◽  
Ian Hawes ◽  
...  

The ultraviolet radiation (UVR) responses of photosynthesis by two freshwater vascular plants, Potamogeton cheesemanii and Isoetes alpinus, and the characean algae Chara fibrosa and C. corallina in Lake Coleridge, New Zealand, were investigated. Experiments comprised 4–5 h of exposure to different UV wavelengths followed by 17 h of recovery in low light. Photosynthetic competence was assessed by pulse-amplitude-modulated fluorometry. The four species showed different sensitivities to UVR, which were consistent with their upper depth limits. The shallowest-growing species, P. cheesemanii, was uninhibited by UVR, whereas after 5 h of exposure to UVR, inhibition of 15%, 38% and 48% was measured for I. alpinus, C. fibrosaand C. corallinacollected from 4 m, 6.2 m and 16.5 m, respectively. Not all plants recovered fully from UVR inhibition. Plants from upper and lower depths of their growth range did not generally differ in inhibition sustained or ability to recover photosynthesis. The species with greatest tolerance of UVR also contained the highest concentrations of UVR-absorbing pigments. Freshwater macrophytes have differing abilities to tolerate UVR exposure through repair and/or protection strategies and these may be related to their vertical zonation.


2014 ◽  

Skin cancer is Australia’s ‘national cancer’. At least two in three Australians are diagnosed with skin cancer by the age of 70 and over 1000 Australians are treated for skin cancer every day. The good news is that skin cancer is one of the most preventable forms of cancer. This book brings together leading experts in the prevention, diagnosis and treatment of skin cancer, providing practical information about the sun and health. The book begins with an explanation of what skin cancer is and how it forms, then discusses ultraviolet radiation and how to protect yourself, the effects of tanning, myths and truths about sunscreen, getting enough Vitamin D, the impact of the sun on your eyes, early detection and treatment of skin cancer, and life after skin cancer. It is a must-read for anyone living under the Australian and New Zealand sun.


Nature ◽  
1992 ◽  
Vol 359 (6391) ◽  
pp. 135-137 ◽  
Author(s):  
G. Seckmeyer ◽  
R. L. McKenzie

2018 ◽  
Vol 94 (2) ◽  
pp. 357-361 ◽  
Author(s):  
Ryan Gage ◽  
Chris O'Toole ◽  
Andrew Robinson ◽  
Anthony Reeder ◽  
Louise Signal ◽  
...  

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