Data

Antarctic wide seafloor geomorphology

Australian Antarctic Data Centre
POST, ALIX
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://data.aad.gov.au/metadata/records/ant_seafloor_geomorph&rft.title=Antarctic wide seafloor geomorphology&rft.identifier=https://data.aad.gov.au/metadata/records/ant_seafloor_geomorph&rft.publisher=Australian Antarctic Data Centre&rft.description=Publicly available bathymetry and geophysical data can be used to map geomorphic features of the Antarctic continental margin and adjoining ocean basins at scales of 1:1-5 million. These data can also be used to map likely locations for some Vulnerable Marine Ecosystems. Seamounts over a certain size are readily identified and submarine canyons and mid ocean ridge central valleys which harbour hydrothermal vents can be located. Geomorphic features and their properties can be related to major habitat characteristics such as sea floor type (hard versus soft), ice keel scouring, sediment deposition or erosion and current regimes. Where more detailed data are available, shelf geomorphology can be shown to provide a guide to the distribution in the area of the shelf benthic communities recognised by Gutt (2007). The geomorphic mapping method presented here provides a layer to add to benthic bioregionalistion using readily available data. An AADC maintained copy of these data are publicly available for download from the provided URL. The master copy of these data are attached to the metadata record held at Geoscience Australia (see the provided URL).&rft.creator=POST, ALIX &rft.date=2012&rft.coverage=northlimit=-60.0; southlimit=-77.0; westlimit=-180.0; eastLimit=180.0; projection=WGS84&rft.coverage=northlimit=-60.0; southlimit=-77.0; westlimit=-180.0; eastLimit=180.0; projection=WGS84&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=ant_seafloor_geomorph when using these data.&rft_subject=geoscientificInformation&rft_subject=oceans&rft_subject=BATHYMETRY&rft_subject=EARTH SCIENCE&rft_subject=OCEANS&rft_subject=BATHYMETRY/SEAFLOOR TOPOGRAPHY&rft_subject=WATER DEPTH&rft_subject=GEOMORPHIC LANDFORMS/PROCESSES&rft_subject=LAND SURFACE&rft_subject=geomorphology&rft_subject=bathymetry&rft_subject=biogeography&rft_subject=bioregionalisation&rft_subject=marine ecosystems&rft_subject=sea floor type&rft_subject=SHIPS&rft_subject=OCEAN > SOUTHERN OCEAN&rft_subject=CONTINENT > ANTARCTICA&rft_subject=GEOGRAPHIC REGION > POLAR&rft_place=Hobart&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=ant_seafloor_geomorph when using these data.

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An AADC maintained copy of these data are publicly available for download from the provided URL. The master copy of these data are attached to the metadata record held at Geoscience Australia (see the provided URL). A copy of a paper is also available for download by AAD staff only.

Brief description

Publicly available bathymetry and geophysical data can be used to map geomorphic features of the Antarctic continental margin and adjoining ocean basins at scales of 1:1-5 million. These data can also be used to map likely locations for some Vulnerable Marine Ecosystems. Seamounts over a certain size are readily identified and submarine canyons and mid ocean ridge central valleys which harbour hydrothermal vents can be located. Geomorphic features and their properties can be related to major habitat characteristics such as sea floor type (hard versus soft), ice keel scouring, sediment deposition or erosion and current regimes. Where more detailed data are available, shelf geomorphology can be shown to provide a guide to the distribution in the area of the shelf benthic communities recognised by Gutt (2007). The geomorphic mapping method presented here provides a layer to add to benthic bioregionalistion using readily available data. An AADC maintained copy of these data are publicly available for download from the provided URL. The master copy of these data are attached to the metadata record held at Geoscience Australia (see the provided URL).

Issued: 2012-12-13

Data time period: 2009-07-21 to 2009-07-21

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180,-60 180,-77 0,-77 -180,-77 -180,-60 0,-60 180,-60

0,-68.5

text: northlimit=-60.0; southlimit=-77.0; westlimit=-180.0; eastLimit=180.0; projection=WGS84

Subjects
BATHYMETRY | BATHYMETRY/SEAFLOOR TOPOGRAPHY | CONTINENT > ANTARCTICA | EARTH SCIENCE | GEOGRAPHIC REGION > POLAR | GEOMORPHIC LANDFORMS/PROCESSES | LAND SURFACE | OCEAN > SOUTHERN OCEAN | OCEANS | SHIPS | WATER DEPTH | bathymetry | biogeography | bioregionalisation | geomorphology | geoscientificInformation | marine ecosystems | oceans | sea floor type |

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AU-ANL:PEAU : http://nla.gov.au/nla.party-617536

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