Modeling Sea Ice Trajectories for Oil Spill Tracking.
A free-drift ice model and a complete sea ice dynamics model are presented and used for simulating trajectories of Arctic sea ice. The development of these models is part of a U.S. Coast Guard study to provide methods for predicting the movement of oil spills in Arctic and sub-Arctic coastal waters....
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ftdtic:ADA126316 2023-05-15T14:49:19+02:00 Modeling Sea Ice Trajectories for Oil Spill Tracking. Pritchard,R S Kolle,J J FLOW RESEARCH CO KENT WA 1981-06 text/html http://www.dtic.mil/docs/citations/ADA126316 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA126316 en eng http://www.dtic.mil/docs/citations/ADA126316 APPROVED FOR PUBLIC RELEASE DTIC AND NTIS Snow Ice and Permafrost Statistics and Probability *MATHEMATICAL MODELS *TRACKING *MATHEMATICAL PREDICTION *TRAJECTORIES *OIL SPILLS *SEA ICE COMPUTERIZED SIMULATION OCEAN CURRENTS OCEAN SURFACE WIND MOTION DRIFT WINTER ERRORS STANDARD DEVIATION TILT SUMMER BEAUFORT SEA ARCTIC OCEAN CORIOLIS EFFECT Text 1981 ftdtic 2016-02-20T22:06:58Z A free-drift ice model and a complete sea ice dynamics model are presented and used for simulating trajectories of Arctic sea ice. The development of these models is part of a U.S. Coast Guard study to provide methods for predicting the movement of oil spills in Arctic and sub-Arctic coastal waters. Performance of both models is compared with sea ice motions observed during the AIDJEX main field experiment in the Beaufort Sea from Aqril 1975 to February 1976. The average error in the free-drive model during the summer is 0.010 m/s with a standard deviation of 0.030 m/s while the more complete model gives an error of 0.005 m/s with a standard deviation of 0.020 m/s. The complete ice dynamics model is almost as accurate during the winter (0.005 m/s mean error, 0.036 m/s standard deviation) but the free-drift model performance degrades substantially (0.030 m/s mean error and 0.107 m/s standard deviation). Therefore, both models are useful tools for simulating and predicting summertime ice motions on the Beaufort Sea but only the complete ice dynamics model can accurately describe wintertime ice behavior. Text Arctic Arctic Ocean Beaufort Sea Ice permafrost Sea ice Defense Technical Information Center: DTIC Technical Reports database Arctic Arctic Ocean |
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Open Polar |
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Defense Technical Information Center: DTIC Technical Reports database |
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ftdtic |
language |
English |
topic |
Snow Ice and Permafrost Statistics and Probability *MATHEMATICAL MODELS *TRACKING *MATHEMATICAL PREDICTION *TRAJECTORIES *OIL SPILLS *SEA ICE COMPUTERIZED SIMULATION OCEAN CURRENTS OCEAN SURFACE WIND MOTION DRIFT WINTER ERRORS STANDARD DEVIATION TILT SUMMER BEAUFORT SEA ARCTIC OCEAN CORIOLIS EFFECT |
spellingShingle |
Snow Ice and Permafrost Statistics and Probability *MATHEMATICAL MODELS *TRACKING *MATHEMATICAL PREDICTION *TRAJECTORIES *OIL SPILLS *SEA ICE COMPUTERIZED SIMULATION OCEAN CURRENTS OCEAN SURFACE WIND MOTION DRIFT WINTER ERRORS STANDARD DEVIATION TILT SUMMER BEAUFORT SEA ARCTIC OCEAN CORIOLIS EFFECT Pritchard,R S Kolle,J J Modeling Sea Ice Trajectories for Oil Spill Tracking. |
topic_facet |
Snow Ice and Permafrost Statistics and Probability *MATHEMATICAL MODELS *TRACKING *MATHEMATICAL PREDICTION *TRAJECTORIES *OIL SPILLS *SEA ICE COMPUTERIZED SIMULATION OCEAN CURRENTS OCEAN SURFACE WIND MOTION DRIFT WINTER ERRORS STANDARD DEVIATION TILT SUMMER BEAUFORT SEA ARCTIC OCEAN CORIOLIS EFFECT |
description |
A free-drift ice model and a complete sea ice dynamics model are presented and used for simulating trajectories of Arctic sea ice. The development of these models is part of a U.S. Coast Guard study to provide methods for predicting the movement of oil spills in Arctic and sub-Arctic coastal waters. Performance of both models is compared with sea ice motions observed during the AIDJEX main field experiment in the Beaufort Sea from Aqril 1975 to February 1976. The average error in the free-drive model during the summer is 0.010 m/s with a standard deviation of 0.030 m/s while the more complete model gives an error of 0.005 m/s with a standard deviation of 0.020 m/s. The complete ice dynamics model is almost as accurate during the winter (0.005 m/s mean error, 0.036 m/s standard deviation) but the free-drift model performance degrades substantially (0.030 m/s mean error and 0.107 m/s standard deviation). Therefore, both models are useful tools for simulating and predicting summertime ice motions on the Beaufort Sea but only the complete ice dynamics model can accurately describe wintertime ice behavior. |
author2 |
FLOW RESEARCH CO KENT WA |
format |
Text |
author |
Pritchard,R S Kolle,J J |
author_facet |
Pritchard,R S Kolle,J J |
author_sort |
Pritchard,R S |
title |
Modeling Sea Ice Trajectories for Oil Spill Tracking. |
title_short |
Modeling Sea Ice Trajectories for Oil Spill Tracking. |
title_full |
Modeling Sea Ice Trajectories for Oil Spill Tracking. |
title_fullStr |
Modeling Sea Ice Trajectories for Oil Spill Tracking. |
title_full_unstemmed |
Modeling Sea Ice Trajectories for Oil Spill Tracking. |
title_sort |
modeling sea ice trajectories for oil spill tracking. |
publishDate |
1981 |
url |
http://www.dtic.mil/docs/citations/ADA126316 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA126316 |
geographic |
Arctic Arctic Ocean |
geographic_facet |
Arctic Arctic Ocean |
genre |
Arctic Arctic Ocean Beaufort Sea Ice permafrost Sea ice |
genre_facet |
Arctic Arctic Ocean Beaufort Sea Ice permafrost Sea ice |
op_source |
DTIC AND NTIS |
op_relation |
http://www.dtic.mil/docs/citations/ADA126316 |
op_rights |
APPROVED FOR PUBLIC RELEASE |
_version_ |
1766320377012682752 |