RADARSAT SAR Sea Ice Imagery [H. Stern and Moritz, R.] https://data.eol.ucar.edu/dataset/13.813 Summary The Canadian RADARSAT satellite collected 195 synthetic aperture radar (SAR) images of the SHEBA site between November 1, 1997, and October 8, 1998 (roughly one image every 3-5 days). The C-band (5.3 GHz) RADARSAT SAR imaged a swath on the earth 460 km wide (in ScanSAR mode) with a pixel size of 50 m, unhampered by clouds or darkness. The satellite data were received and processed into imagery at the Alaska SAR Facility (ASF) in Fairbanks. Sequential pairs of images were then processed by the RADARSAT Geophysical Processor System (RGPS) at the Jet Propulsion Laboratory (JPL) in Pasadena to derive the motion of the sea ice on a 5-km grid by tracking common features in each pair of images. Thus we have a year-long record of the spatial pattern of ice motion and the radar backscatter in the vicinity of the SHEBA site. There are 195 images from which two sub-images were extracted, with the SHEBA station at the center of each. One sub-image was at the original spatial resolution of 50 meters per pixel, and 800 x 800 pixels (40 x 40 km). The other sub-image was spatially averaged to 250 meters per pixel, and was also 800 x 800 pixels (200 x 200 km). The two sets of 195 sub-images are bundled into two .tar files. Additionally, there is an animated GIF file of each sequence of 195 sub-images. Identifiers * Local archive identifier: 13.813 * doi:10.26023/VQH4-GDFS-H10S https://doi.org/10.26023/VQH4-GDFS-H10S Versions 1.0 Citation Stern, H., Moritz, R. 2020. RADARSAT SAR Sea Ice Imagery. Version 1.0. UCAR/NCAR - Earth Observing Laboratory. https://doi.org/10.26023/VQH4-GDFS-H10S Accessed 25 Apr 2024. Additional citation styles can be generated by entering the DOI at CrossCite (https://citation.crosscite.org/). Acknowledgement In addition to the citation reference and any other acknowledgements, please acknowledge NCAR/EOL in your publications with text such as: Data provided by NCAR/EOL under the sponsorship of the National Science Foundation. https://data.eol.ucar.edu/ Related projects * SHEBA: Surface Heat Budget of the Arctic Ocean Project https://data.eol.ucar.edu/project/SHEBA Additional information * Spatial Type: unknown * Frequency: other * Language: English Grant Code 9720144 ISO Topic Categories * climatologyMeteorologyAtmosphere Categories * Arctic * Oceanography * Satellite * Sea Ice Platforms * Satellite, RADARSAT Instruments * Synthetic Aperture Radar - SAR Sites * Arctic Ocean GCMD Science Keywords * EARTH SCIENCE > OCEANS > SEA ICE > SEA ICE MOTION * EARTH SCIENCE > SPECTRAL/ENGINEERING > RADAR > RADAR BACKSCATTER Documentation * image_table [16 KiB] https://data.eol.ucar.edu/file/download/41376538F306/image_table * image_table_info.txt [939 MiB] https://data.eol.ucar.edu/file/download/41376538F4B0/image_table_info.txt Related links * info: SHEBA Data Policy https://data.eol.ucar.edu/arctic_projects/sheba/dmplan3.doc.html * info: Stern and Moritz [JGR, 2002] https://data.eol.ucar.edu/radarsat/SternMoritzJGR2002.pdf * info: Sea Ice Imagery Homepage https://data.eol.ucar.edu/radarsat/images.html * homepage: RADARSAT SAR Images of SHEBA and Derived Products http://data.eol.ucar.edu/radarsat/ * info: SHEBA Missions https://catalog.eol.ucar.edu/sheba/ * homepage: SHEBA EOL Project Homepage https://www.eol.ucar.edu/field_projects/sheba Temporal coverage * Begin datetime: 1997-11-01 00:00:00 * End datetime: 1998-10-08 23:59:59 Spatial coverage * Maximum (North) Latitude: 80.449 * Minimum (South) Latitude: 74.647 * Minimum (West) Longitude: -168.157 * Maximum (East) Longitude: -143.944 Primary contact information * pointOfContact: EOL Data Support https://data.eol.ucar.edu/contact/show/1 Additional contact information * author: Harry Stern https://data.eol.ucar.edu/contact/show/1058 * author: Richard Moritz https://data.eol.ucar.edu/contact/show/174 * principalInvestigator: Harry Stern https://data.eol.ucar.edu/contact/show/1058 Alternate metadata formats * DataCite: https://data.eol.ucar.edu/dataset/13.813?format=datacite * ISO/TC 211: https://data.eol.ucar.edu/dataset/13.813?format=isotc211