Comparison between SAR derived sea ice displacement and hindcasts by the operational ocean model HIROMB

The purpose of this paper is to compare measurements of sea ice displacement from SAR imagery with ice floe drift trajectories modeled by the operational ocean circulation model HIROMB. The study examines the ice movement in the Fram Strait during a two-week period in April, 2011. The results indica...

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Bibliographic Details
Published in:2013 IEEE International Geoscience and Remote Sensing Symposium - IGARSS
Main Authors: Berg, Anders, Axell, Lars, Eriksson, Leif
Language:unknown
Published: 2013
Subjects:
Oceanography
Hydrology
Water Resources
Signal Processing
Computer Vision and Robotics (Autonomous Systems)
ice-ocean model
sea ice motion
SAR
Fram Strait
Sea ice
Online Access:https://doi.org/10.1109/IGARSS.2013.6723616
https://research.chalmers.se/en/publication/195680
Description
Summary:The purpose of this paper is to compare measurements of sea ice displacement from SAR imagery with ice floe drift trajectories modeled by the operational ocean circulation model HIROMB. The study examines the ice movement in the Fram Strait during a two-week period in April, 2011. The results indicate that the HIROMB model overestimates the drift speed by a factor 1 - 2.5, which may be attributed to an underestimated thickness of the ice. The model data also exhibit a directional offset in the positive clockwise direction of 10 - 30 degrees over the whole study region. The results of this study may be used to direct the model development and improve the model initialization.

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