Data

Fast-ice Distribution in East Antarctica During 1997 and 1999 Determined Using RADARSAT Data

Australian Ocean Data Network
Massom, R. ; MASSOM, ROB
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=http://data.aad.gov.au/metadata/records/fast_ice_1997_1999&rft.title=Fast-ice Distribution in East Antarctica During 1997 and 1999 Determined Using RADARSAT Data&rft.identifier=http://data.aad.gov.au/metadata/records/fast_ice_1997_1999&rft.publisher=Australian Antarctic Data Centre&rft.description=An image correlation technique has been applied to RADARSAT ScanSAR images from November in 1997, and November 1999, to create the first detailed maps of fast ice around East Antarctica (75E-170E). This method is based upon searching for, and distinguishing, correlated regions of the ice-covered ocean which remain stationary, in contrast to adjacent moving pack ice. Within the overlapping longitudinal range of ~86E-150.6E, the total fast-ice area is 141,450 km2 in 1997 and 152,216 km2 in 1999. Calibrated radar backscatter data are also used to determine the distribution of two fast-ice classes based on their surface roughness characteristics. The outer boundaries of the determined fast-ice area for November in 1997 and 1999 are contained in the data files for this record. This work has been allocated to ASAC project 3024.Progress Code: completed&rft.creator=Massom, R. &rft.creator=MASSOM, ROB &rft.date=2012&rft.coverage=westlimit=75.0; southlimit=-70.0; eastlimit=170.0; northlimit=-55.0&rft.coverage=westlimit=75.0; southlimit=-70.0; eastlimit=170.0; northlimit=-55.0&rft_rights=This metadata record is publicly available.&rft_rights=These data are publicly available for download from the provided URL.&rft_rights= https://creativecommons.org/licenses/by/4.0/legalcode&rft_rights=This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/). Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=fast_ice_1997_1999 when using these data. http://creativecommons.org/licenses/by/4.0/).&rft_rights=Portable Network Graphic&rft_rights=https://i.creativecommons.org/l/by/3.0/88x31.png&rft_rights=Creative Commons by Attribution logo&rft_rights=Attribution 4.0 International (CC BY 4.0)&rft_rights=Legal code for Creative Commons by Attribution 4.0 International license&rft_rights=Attribution 4.0 International (CC BY 4.0)&rft_rights= https://creativecommons.org/licenses/by/4.0/legalcode&rft_subject=oceans&rft_subject=EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE EDGES&rft_subject=EARTH SCIENCE > CRYOSPHERE > SEA ICE > SEA ICE CONCENTRATION&rft_subject=EARTH SCIENCE > CRYOSPHERE > SEA ICE&rft_subject=EARTH SCIENCE > OCEANS > SEA ICE > ICE EXTENT&rft_subject=EARTH SCIENCE > OCEANS > SEA ICE&rft_subject=EARTH SCIENCE > OCEANS > SEA ICE > SEA ICE CONCENTRATION&rft_subject=Fast Ice&rft_subject=Radarsat&rft_subject=SAR > Synthetic Aperture Radar&rft_subject=RADARSAT-1&rft_subject=AMD/AU&rft_subject=CEOS&rft_subject=AMD&rft_subject=ACE/CRC&rft_subject=OCEAN > SOUTHERN OCEAN&rft_subject=CONTINENT > ANTARCTICA&rft_subject=GEOGRAPHIC REGION > POLAR&rft.type=dataset&rft.language=English Access the data
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This data set conforms to the CCBY Attribution License
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Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=fast_ice_1997_1999 when using these data.
http://creativecommons.org/licenses/by/4.0/).

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This metadata record is publicly available.

These data are publicly available for download from the provided URL.

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Brief description

An image correlation technique has been applied to RADARSAT ScanSAR images from November in 1997, and November 1999, to create the first detailed maps of fast ice around East Antarctica (75E-170E). This method is based upon searching for, and distinguishing, correlated regions of the ice-covered ocean which remain stationary, in contrast to adjacent moving pack ice. Within the overlapping longitudinal range of ~86E-150.6E, the total fast-ice area is 141,450 km2 in 1997 and 152,216 km2 in 1999. Calibrated radar backscatter data are also used to determine the distribution of two fast-ice classes based on their surface roughness characteristics. The outer boundaries of the determined fast-ice area for November in 1997 and 1999 are contained in the data files for this record. This work has been allocated to ASAC project 3024.

Lineage

Progress Code: completed

Data time period: 1997-11-01 to 1999-11-30

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170,-55 170,-70 75,-70 75,-55 170,-55

122.5,-62.5

text: westlimit=75.0; southlimit=-70.0; eastlimit=170.0; northlimit=-55.0

Subjects
ACE/CRC | AMD | AMD/AU | CEOS | CONTINENT > ANTARCTICA | EARTH SCIENCE > CRYOSPHERE > SEA ICE | EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE EDGES | EARTH SCIENCE > CRYOSPHERE > SEA ICE > SEA ICE CONCENTRATION | EARTH SCIENCE > OCEANS > SEA ICE | EARTH SCIENCE > OCEANS > SEA ICE > ICE EXTENT | EARTH SCIENCE > OCEANS > SEA ICE > SEA ICE CONCENTRATION | Fast Ice | GEOGRAPHIC REGION > POLAR | OCEAN > SOUTHERN OCEAN | RADARSAT-1 | Radarsat | SAR > Synthetic Aperture Radar | oceans |

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Download point for the data (GET DATA)

uri : https://data.aad.gov.au/eds/3195/download

Identifiers
  • global : fast_ice_1997_1999
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