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Analysis of C-band ...
Analysis of C-band polarimetric signatures of Arctic lead ice using data from AIRSAR and RADARSAT-1
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- Bäck, Daniel, 1982 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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Holt, Benjamin (författare)
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Kwok, Ron (författare)
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(creator_code:org_t)
- 2008
- 2008
- Engelska.
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Ingår i: 2008 IEEE International Geoscience and Remote Sensing Symposium - Proceedings; Boston, MA; United States; 6 July 2008 through 11 July 2008. - 9789292212209 ; 5:1, s. 184-187
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- In December 2004 the JPL airborne synthetic aperture radar (AIRSAR) flown on the NASA DC-8 acquired fully polarimetric data in the Beaufort Sea at C, L and P-band. This work presents the backscatter coefficients (sHH, sVV, sHV), copolarized ratios (sHH/sVV) and copolarized phase differences (?HH-VV) at C-band from different young sea-ice types formed in recently frozen leads. Two weeks of RADARSAT-1 imagery from the same region as the AIRSAR data were used in order to identify when and where leads were formed and to estimate the age of the newly formed ice contained within the leads. A known empirical relationship based on freezing degree days was used to estimate the sea-ice thickness. The results indicate that some of the identified thin ice types have characteristic signatures.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Rymd- och flygteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Aerospace Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Naturresursteknik -- Fjärranalysteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Environmental Engineering -- Remote Sensing (hsv//eng)
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Jordbruksvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Agricultural Science (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Oceanografi, hydrologi och vattenresurser (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Oceanography, Hydrology and Water Resources (hsv//eng)
- NATURVETENSKAP -- Data- och informationsvetenskap -- Datorseende och robotik (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences -- Computer Vision and Robotics (hsv//eng)
Nyckelord
- AIRSAR
- C-band
- sea-ice
- polarimetric signatures
- RADARSAT
- Beaufort Sea
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