Towards Identification of Optimum Radar Parameters for Sea-Ice Monitoring
نویسندگان
چکیده
منابع مشابه
Identification of Sea Ice Types in Spaceborne Synthetic Aperture Radar Data
An approach for identification of sea ice types in spaceborne synthetic aperture radar (SAR) image data is presented. The unsupervised classification approach involves cluster analysis for segmentation of the image data followed by cluster labeling based on previously defined look-up tables containing the expected backscatter signatures of different ice types measured by land-based scatteromete...
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Since 1991 a number of international satellites have collected microwave radar image data over Arctic and Antarctic sea ice. The recent successful launch of the ADEOS I satellite, with the NASA NSCAT instrument, also enables additional weather-independent global sea-ice radar data to be acquired and archived in the US. With its pair of 500 km-wide parallel swathes, this radar scatterometer is c...
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Since 1991, the European Space Agency’s two ERS satellites have acquired microwave radar data of Antarctica. ERS data have been recorded by two receiving stations, one German, one Japanese. The former has allowed direct downlink and recording of high bit-rate, high resolution SAR image data of the Weddell and Bellingshausen Seas during station campaigns. The latter has enabled some data from th...
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The first known fully polarimetric airborne synthetic aperture radar (SAR) data set of sea ice is introduced. Images were acquired in the Beaufort, Bering and Chukchi seas in March 1988, during a campaign for validation of Defense Meteorological Satellite Program Special Sensor Microwave Imager radiometer ice products. Statistics of the magnitude, phase and polarization of complex backscattered...
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Synthetic aperture radar (SAR) data from RADARSAT-1 are an important operational data source for several ice centres around the world. Whereas RADARSAT-1 is only capable of acquiring data at a single polarization, RADARSAT-2 will be capable of acquiring dual-polarization data in many wide-swath modes (most importantly ScanSAR) and fully polarimetric SAR data in a narrow 25-km swath mode. In thi...
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ژورنال
عنوان ژورنال: Journal of Glaciology
سال: 1985
ISSN: 0022-1430,1727-5652
DOI: 10.3189/s0022143000006523