Data

Surface elevation data for Amery Ice Shelf, derived from ERS satellite radar altimetry

Australian Ocean Data Network
Allison, I. ; ALLISON, IAN
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/Amery_Ice_Shelf&rft.title=Surface elevation data for Amery Ice Shelf, derived from ERS satellite radar altimetry&rft.identifier=http://data.aad.gov.au/metadata/records/Amery_Ice_Shelf&rft.publisher=Australian Antarctic Data Centre&rft.description=Digital Elevation Model of the Amery Ice Shelf derived from ERS satellite radar altimetry elevation data. Generated on a 1-km polar stereographic grid using kriging in four sections by Helen Amanda Phillips, Antarctic CRC/IASOS. Three files are available for download: Amery Ice Shelf DEM from satellite altimeter data version relative to WGS-84 ellipsoid, Amery Ice Shelf DEM from satellite altimeter data version relative to EGM96 geoid, A thickness dataset that was derived from the AIS-DEM. Each file constitutes 122,385 lines of data (+ 4 lines of header information). The fields in this dataset are: Latitude Longitude Geodial Height in metres above sea level (WGS-84 and EGM-96) ThicknessProgress Code: completedStatement: Data gaps over rocks and regions of high topographic relief (edges of Amery) and some data dropouts towards the ice front. Uses ERS altimeter waveform data from the European Space Agency satellite ERS-1 Phases E and F (168 day phases) ERS data were subject to several processing stages:i) Waveform filtering ii) merging of precise DELFT orbits iii) altmospheric and ionospheric corrections iv) retracking (using threshold retracker) v) slope correction (using relocation) vi) tide correction (using Beaver Lake Tidal Model). A comparison was carried out with the Amery Ice Shelf GPS data (LINK?) ERS altimeter crossover differences over the whole Lambert-Amery region had a mean of 0.09m and a SD of 1.99m. This would be reduced over the ice shelf.&rft.creator=Allison, I. &rft.creator=ALLISON, IAN &rft.date=1999&rft.coverage=westlimit=65.0; southlimit=-74.0; eastlimit=74.0; northlimit=-68.0&rft.coverage=westlimit=65.0; southlimit=-74.0; eastlimit=74.0; northlimit=-68.0&rft_rights=This metadata record is publicly available.&rft_rights=The 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=Amery_Ice_Shelf 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=elevation&rft_subject=imageryBaseMapsEarthCover&rft_subject=inlandWaters&rft_subject=oceans&rft_subject=EARTH SCIENCE > SPECTRAL/ENGINEERING > RADAR > RADAR IMAGERY&rft_subject=AMERY ICE SHELF&rft_subject=ERS SATELLITE&rft_subject=ERS SATELLITE RADAR ALTIMETRY&rft_subject=GEODIAL HEIGHT&rft_subject=GLACIOLOGY&rft_subject=ICE RADAR&rft_subject=LATITUDE&rft_subject=LONGITUDE&rft_subject=SURFACE ELEVATION&rft_subject=RADAR > Radio Detection and Ranging&rft_subject=ERS-1 > European Remote Sensing Satellite-1&rft_subject=AMD/AU&rft_subject=CEOS&rft_subject=AMD&rft_subject=ACE/CRC&rft_subject=OCEAN > SOUTHERN OCEAN > Prydz Bay&rft_subject=CONTINENT > ANTARCTICA > Amery Ice Shelf&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 (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=Amery_Ice_Shelf when using these data.
http://creativecommons.org/licenses/by/4.0/).

Attribution 4.0 International (CC BY 4.0)

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This metadata record is publicly available.

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

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Brief description

Digital Elevation Model of the Amery Ice Shelf derived from ERS satellite radar altimetry elevation data. Generated on a 1-km polar stereographic grid using kriging in four sections by Helen Amanda Phillips, Antarctic CRC/IASOS. Three files are available for download: Amery Ice Shelf DEM from satellite altimeter data version relative to WGS-84 ellipsoid, Amery Ice Shelf DEM from satellite altimeter data version relative to EGM96 geoid, A thickness dataset that was derived from the AIS-DEM. Each file constitutes 122,385 lines of data (+ 4 lines of header information). The fields in this dataset are: Latitude Longitude Geodial Height in metres above sea level (WGS-84 and EGM-96) Thickness

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Progress Code: completed
Statement: Data gaps over rocks and regions of high topographic relief (edges of Amery) and some data dropouts towards the ice front. Uses ERS altimeter waveform data from the European Space Agency satellite ERS-1 Phases E and F (168 day phases) ERS data were subject to several processing stages:i) Waveform filtering ii) merging of precise DELFT orbits iii) altmospheric and ionospheric corrections iv) retracking (using threshold retracker) v) slope correction (using relocation) vi) tide correction (using Beaver Lake Tidal Model). A comparison was carried out with the Amery Ice Shelf GPS data (LINK?) ERS altimeter crossover differences over the whole Lambert-Amery region had a mean of 0.09m and a SD of 1.99m. This would be reduced over the ice shelf.

Data time period: 1994-04-10 to 1995-03-21

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74,-68 74,-74 65,-74 65,-68 74,-68

69.5,-71

text: westlimit=65.0; southlimit=-74.0; eastlimit=74.0; northlimit=-68.0

Subjects
ACE/CRC | AMD | AMD/AU | AMERY ICE SHELF | CEOS | CONTINENT > ANTARCTICA > Amery Ice Shelf | EARTH SCIENCE > SPECTRAL/ENGINEERING > RADAR > RADAR IMAGERY | ERS SATELLITE | ERS SATELLITE RADAR ALTIMETRY | ERS-1 > European Remote Sensing Satellite-1 | GEODIAL HEIGHT | GEOGRAPHIC REGION > POLAR | GLACIOLOGY | ICE RADAR | LATITUDE | LONGITUDE | OCEAN > SOUTHERN OCEAN > Prydz Bay | RADAR > Radio Detection and Ranging | SURFACE ELEVATION | elevation | imageryBaseMapsEarthCover | inlandWaters | oceans |

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Download point for the data (GET DATA)

uri : https://data.aad.gov.au/eds/1165/download

Identifiers
  • global : Amery_Ice_Shelf
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