Data

A digital terrain model of Antarctica in Triangulated Irregular Network (TIN) format, derived from ERS Radar Altimetry.

Australian Antarctic Division
Brolsma, H. and Smith, D.T. ; BROLSMA (RETIRED), HENK ; SMITH, DAVID T.
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/ERS_DTM_TIN_ANT&rft.title=A digital terrain model of Antarctica in Triangulated Irregular Network (TIN) format, derived from ERS Radar Altimetry.&rft.identifier=http://data.aad.gov.au/metadata/ERS_DTM_TIN_ANT&rft.publisher=Australian Antarctic Data Centre&rft.description=An ESRI formatted triangular irregular network (TIN) of the Antarctic continental terrain, derived from ERS radar altimeter data. The data is in a Polar Stereographic projection with true scale at 71 degrees South. The TIN is unreliable in latitudes south of 82 degrees South and steep areas of the continent, particularly along the coast.ESA's two European Remote Sensing (ERS) satellites, ERS-1 and 2, were launched into the same orbit in 1991 and 1995 respectively. Their payloads included a synthetic aperture imaging radar, radar altimeter and instruments to measure ocean surface temperature and wind fields.ERS-2 added an additional sensor for atmospheric ozone monitoring. The two satellites acquired a combined data set extending over two decades.The ERS-1 mission ended on 10 March 2000 and ERS-2 was retired on 05 September 2011.Progress Code: completedStatement: The triangulated irregular network (TIN) was generated from slope corrected orthometric heights derived from ERS radar altimetry (refer to metadata record GRI_ORT_SLC_FIN). The ESRI ArcGIS 3D analyst extension was used to generate this TIN using only the valid points in the shapefile. The Antarctic coastline, from the Antarctic Digital Database version 3, was used as a breakline in the TIN generation. There is a large hole in the polar region of the radar altimetry data so the TIN is unreliable in this area. This is also the case in large areas of invalid heights. Refer to metadata record ERS_REL_ANT for information about a shapefile that gives an indication of areas of invalid heights. Generally the TIN is unreliable in latitudes south of 82 degrees south and steep areas of the continent, particularly along the coast.&rft.creator=Brolsma, H. and Smith, D.T. &rft.creator=BROLSMA (RETIRED), HENK &rft.creator=SMITH, DAVID T. &rft.date=2003&rft.coverage=westlimit=-180; southlimit=-82; eastlimit=180; northlimit=-65&rft.coverage=westlimit=-180; southlimit=-82; eastlimit=180; northlimit=-65&rft.coverage=uplimit=4100; downlimit=8&rft.coverage=uplimit=4100; downlimit=8&rft_rights=These data are publicly available for download from the provided URL.&rft_rights=Attribution 4.0 International (CC BY 4.0) 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=ERS_DTM_TIN_ANT when using these data.&rft_rights=This metadata record is publicly available.&rft_subject=elevation&rft_subject=EARTH SCIENCE > LAND SURFACE > TOPOGRAPHY > TERRAIN ELEVATION&rft_subject=ANTARCTICA&rft_subject=ALTIMETRY&rft_subject=DTM&rft_subject=ELEVATION&rft_subject=RADAR&rft_subject=ERS&rft_subject=Radar Altimeters&rft_subject=ERS-1 > European Remote Sensing Satellite-1&rft_subject=ERS-2 > European Remote Sensing Satellite-2&rft_subject=AMD/AU&rft_subject=CEOS&rft_subject=AMD&rft_subject=CONTINENT > ANTARCTICA&rft_subject=GEOGRAPHIC REGION > POLAR&rft.type=dataset&rft.language=English Access the data
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Attribution 4.0 International (CC BY 4.0)
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These data are publicly available for download from the provided URL.

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=ERS_DTM_TIN_ANT when using these data.

This metadata record is publicly available.

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Full description

An ESRI formatted triangular irregular network (TIN) of the Antarctic continental terrain, derived from ERS radar altimeter data. The data is in a Polar Stereographic projection with true scale at 71 degrees South. The TIN is unreliable in latitudes south of 82 degrees South and steep areas of the continent, particularly along the coast.

ESA's two European Remote Sensing (ERS) satellites, ERS-1 and 2, were launched into the same orbit in 1991 and 1995 respectively. Their payloads included a synthetic aperture imaging radar, radar altimeter and instruments to measure ocean surface temperature and wind fields.

ERS-2 added an additional sensor for atmospheric ozone monitoring. The two satellites acquired a combined data set extending over two decades.

The ERS-1 mission ended on 10 March 2000 and ERS-2 was retired on 05 September 2011.

Lineage

Progress Code: completed
Statement: The triangulated irregular network (TIN) was generated from slope corrected orthometric heights derived from ERS radar altimetry (refer to metadata record GRI_ORT_SLC_FIN). The ESRI ArcGIS 3D analyst extension was used to generate this TIN using only the valid points in the shapefile. The Antarctic coastline, from the Antarctic Digital Database version 3, was used as a breakline in the TIN generation. There is a large hole in the polar region of the radar altimetry data so the TIN is unreliable in this area. This is also the case in large areas of invalid heights. Refer to metadata record ERS_REL_ANT for information about a shapefile that gives an indication of areas of invalid heights. Generally the TIN is unreliable in latitudes south of 82 degrees south and steep areas of the continent, particularly along the coast.

Data time period: 2003-01-01 to 2003-01-31

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180,-65 180,-82 0,-82 -180,-82 -180,-65 0,-65 180,-65

0,-73.5

text: westlimit=-180; southlimit=-82; eastlimit=180; northlimit=-65

text: uplimit=4100; downlimit=8

Subjects
ALTIMETRY | AMD | AMD/AU | ANTARCTICA | CEOS | CONTINENT > ANTARCTICA | DTM | EARTH SCIENCE > LAND SURFACE > TOPOGRAPHY > TERRAIN ELEVATION | ELEVATION | ERS | ERS-1 > European Remote Sensing Satellite-1 | ERS-2 > European Remote Sensing Satellite-2 | GEOGRAPHIC REGION > POLAR | RADAR | Radar Altimeters | elevation |

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uri : https://data.aad.gov.au/eds/4723/download

Citation reference for this metadata record and dataset (VIEW RELATED INFORMATION)

uri : http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=ERS_DTM_TIN_ANT

Identifiers
  • global : ERS_DTM_TIN_ANT