NDLI: Validating satellite derived and modelled sea-ice drift in the Laptev Sea with in situ measurements from the winter of 2007/2008

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Validating satellite derived and modelled sea-ice drift in the Laptev Sea with in situ measurements from the winter of 2007/2008

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Validating satellite derived and modelled sea-ice drift in the Laptev Sea with in situ measurements from the winter of 2007/2008

Content Provider	Taylor & Francis Online
Author	Krumpen, Thomas Köberle, Cornelia Adams, Susanne Gerdes, Rüdiger Rozman, Polona Hölemann, Jens A. Lavergne, Thomas Girard-Ardhuin, Fanny
Abstract	A correct representation of the ice movement in an Arctic sea-ice–ocean coupled model is essential for a realistic sea-ice and ocean simulation. The aim of this study is to validate the observational and simulated sea-ice drift for the Laptev Sea Shelf region with in situ measurements from the winter of 2007/08. Several satellite remote-sensing data sets are first compared to mooring measurements and afterwards to the sea-ice drift simulated by the coupled sea-ice–ocean model. The different satellite products have a correlation to the in situ data ranging from 0.56 to 0.86. The correlations of sea-ice direction or individual drift vector components between the in situ data and the observations are high, about 0.8. Similar correlations are achieved by the model simulations. The sea-ice drift speed derived from the model and from some satellite products have only moderate correlations of about 0.6 to the in situ record. The standard errors for the satellite products and model simulations drift components are similar to the errors of the satellite products in the central Arctic and are about 0.03 m/s. The fast-ice parameterization implementation in the model was also successfully tested for its influence on the sea-ice drift. In contrast to the satellite products, the model drift simulations have a full temporal and spatial coverage and results are reliable enough to use as sea-ice drift estimates on the Laptev Sea Shelf.
File Format	PDF HTM / HTML
ISSN	17518369
DOI	10.3402/polar.v30i0.7218
Journal	Polar Research
Volume Number	30
Issue Number	1
Language	English
Publisher	Routledge
Publisher Date	2011-08-05
Access Restriction	Open
Subject Keyword	Shelf seas Sea-ice drift Sea-ice–ocean coupled model Acoustic Doppler current profiler Fast ice
Content Type	Text
Resource Type	Article
Subject	1900/1901 Environmental Chemistry Environmental Science Oceanography

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