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Study on the Polar Sea Ice Drift Based on Remote Sensing Image Analysis
Pages: 10-14
Year: Issue:  1
Journal: Ocean Technology

Keyword:  sea ice driftremote sensing imagecorrelation matching methodoptical flow algorithm;
Abstract: It is of great significance to observe the sea ice motion in wide polar areas. With the motion and destruction of sea ice, the conventional in-situ instruments are limited for polar sea ice observations. Satellite remote sensing has become an important way to monitor the sea ice at high latitudes. Among a few types of the satellite payloads, multi-spectral imaging spectrometer and synthetic aperture radar(SAR) are preferred for monitoring the sea ice dynamics with their high resolution, wide swath and continuous imaging function. The sea ice dynamics in the ice-covered areas can be monitored by analyzing remote sensing images. The open data sources of remote sensing images are provided in the paper, with two kinds of algorithms based on remote sensing images proposed and compared in a detailed manner: the correlation matching method and optical flow algorithm.Through applying the remote sensing data and methods proposed in the paper, sea ice drift with mesoscale dynamic features can be discovered clearly in polar sea areas.
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