P3.2 UV RADIATION IN THE SOUTHERN SEAS IN SUMMER 2000
During a cruise on the USCGC POLAR SEA from Hobart, Tasmania to McMurdo, Antarctica, continuous radiation measurements were carried out; the global, UV-A and UV-B are being discussed in this paper. As we were performing the measurements on a moving platform, spot measurements can be incorrect, howev...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.490.9367 2023-05-15T13:51:15+02:00 P3.2 UV RADIATION IN THE SOUTHERN SEAS IN SUMMER 2000 Gerd Wendler Brian Hartmann The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.490.9367 en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.490.9367 Metadata may be used without restrictions as long as the oai identifier remains attached to it. https://ams.confex.com/ams/pdfpapers/84522.pdf text ftciteseerx 2016-01-08T08:30:39Z During a cruise on the USCGC POLAR SEA from Hobart, Tasmania to McMurdo, Antarctica, continuous radiation measurements were carried out; the global, UV-A and UV-B are being discussed in this paper. As we were performing the measurements on a moving platform, spot measurements can be incorrect, however, for hourly means the validity was confirmed. It was found that the radiation levels decreased at noon when going South, however, the mean daily flux increased on average, as the reduced radiation at noon was overcompensated by longer day length. For the day-to-day variations, the amount of cloudiness was of greatest importance. The mean value of the clearness index Kt (total transmissivity) was found to be 0.51, a somewhat low value, which was caused by the high mean amount of cloudiness, mostly consisting of stratus. The mean clearness index was 0.74 for clear skies and 0.38 for overcast conditions, while individual values varied even more. The UV radiation can be related to the global radiation. However, correlation coefficients improved substantially when the analyses were done for different cloudiness classes. Clouds produced the largest reduction for the global radiation Text Antarc* Antarctica Unknown |
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Open Polar |
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Unknown |
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ftciteseerx |
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English |
description |
During a cruise on the USCGC POLAR SEA from Hobart, Tasmania to McMurdo, Antarctica, continuous radiation measurements were carried out; the global, UV-A and UV-B are being discussed in this paper. As we were performing the measurements on a moving platform, spot measurements can be incorrect, however, for hourly means the validity was confirmed. It was found that the radiation levels decreased at noon when going South, however, the mean daily flux increased on average, as the reduced radiation at noon was overcompensated by longer day length. For the day-to-day variations, the amount of cloudiness was of greatest importance. The mean value of the clearness index Kt (total transmissivity) was found to be 0.51, a somewhat low value, which was caused by the high mean amount of cloudiness, mostly consisting of stratus. The mean clearness index was 0.74 for clear skies and 0.38 for overcast conditions, while individual values varied even more. The UV radiation can be related to the global radiation. However, correlation coefficients improved substantially when the analyses were done for different cloudiness classes. Clouds produced the largest reduction for the global radiation |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Gerd Wendler Brian Hartmann |
spellingShingle |
Gerd Wendler Brian Hartmann P3.2 UV RADIATION IN THE SOUTHERN SEAS IN SUMMER 2000 |
author_facet |
Gerd Wendler Brian Hartmann |
author_sort |
Gerd Wendler |
title |
P3.2 UV RADIATION IN THE SOUTHERN SEAS IN SUMMER 2000 |
title_short |
P3.2 UV RADIATION IN THE SOUTHERN SEAS IN SUMMER 2000 |
title_full |
P3.2 UV RADIATION IN THE SOUTHERN SEAS IN SUMMER 2000 |
title_fullStr |
P3.2 UV RADIATION IN THE SOUTHERN SEAS IN SUMMER 2000 |
title_full_unstemmed |
P3.2 UV RADIATION IN THE SOUTHERN SEAS IN SUMMER 2000 |
title_sort |
p3.2 uv radiation in the southern seas in summer 2000 |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.490.9367 |
genre |
Antarc* Antarctica |
genre_facet |
Antarc* Antarctica |
op_source |
https://ams.confex.com/ams/pdfpapers/84522.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.490.9367 |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
_version_ |
1766255026904236032 |