Dataset

Advanced Scatterometer-derived Arctic and Antarctic backscatter anisotropy parameter maps

Australian Antarctic Data Centre
FRASER, ALEXANDER D. ; CARTWRIGHT, JESSICA
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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=info:doi10.26179/5dd60df7469e2&rft.title=Advanced Scatterometer-derived Arctic and Antarctic backscatter anisotropy parameter maps&rft.identifier=10.26179/5dd60df7469e2&rft.publisher=Australian Antarctic Data Centre&rft.description=Using the EUMETSAT Advanced Scatterometer, a C-band scatterometer in polar orbit currently onboard three platforms, we parameterise anisotropy from the normalised backscattering cross-section of both polar regions. This dataset uses a complex parameterisation of backscatter measurements from one to several days, to parameterise the backscatter into several parameters. These parameters have proven polar parameter retrieval application. For more details on the backscatter parameterisation, see Fraser et al., 2014 (https://ieeexplore.ieee.org/document/6527913). This dataset consists of 5-daily, 2-daily and daily (depending on satellite platform availability) maps of all backscatter parameters spanning the time period from March 2007 to December 2020, with updates planned. Maps are presented as NetCDF files, and are provided in the NSIDC polar stereographic projection (12.5 km resolution, both hemispheres - see https://nsidc.org/data/polar-stereo/ps_grids.html).&rft.creator=FRASER, ALEXANDER D. &rft.creator=CARTWRIGHT, JESSICA &rft.date=2019&rft.coverage=northlimit=-50; southlimit=-90; westlimit=-180; eastLimit=180; projection=WGS84&rft.coverage=northlimit=-50; southlimit=-90; westlimit=-180; eastLimit=180; projection=WGS84&rft.coverage=northlimit=90; southlimit=50; westlimit=-180; eastLimit=180; projection=WGS84&rft.coverage=northlimit=90; southlimit=50; westlimit=-180; eastLimit=180; 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=AAS_4301_ASCAT_backscatter_parameters when using these data.&rft_subject=climatologyMeteorologyAtmosphere&rft_subject=ICE ROUGHNESS&rft_subject=EARTH SCIENCE&rft_subject=CRYOSPHERE&rft_subject=SEA ICE&rft_subject=FIRN&rft_subject=TERRESTRIAL HYDROSPHERE&rft_subject=GLACIERS/ICE SHEETS&rft_subject=ASCAT > Advanced Scatterometer&rft_subject=METOP-A > Meteorological Operational Satellite - A&rft_subject=METOP-B > Meteorological Operational Satellite - B&rft_subject=METOP-C&rft_subject=GEOGRAPHIC REGION > POLAR&rft_subject=CONTINENT > ANTARCTICA&rft_subject=OCEAN > SOUTHERN OCEAN&rft_subject=GEOGRAPHIC REGION > ARCTIC&rft_subject=OCEAN > ARCTIC OCEAN&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=AAS_4301_ASCAT_backscatter_parameters when using these data.

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Brief description

Using the EUMETSAT Advanced Scatterometer, a C-band scatterometer in polar orbit currently onboard three platforms, we parameterise anisotropy from the normalised backscattering cross-section of both polar regions. This dataset uses a complex parameterisation of backscatter measurements from one to several days, to parameterise the backscatter into several parameters. These parameters have proven polar parameter retrieval application. For more details on the backscatter parameterisation, see Fraser et al., 2014 (https://ieeexplore.ieee.org/document/6527913).
This dataset consists of 5-daily, 2-daily and daily (depending on satellite platform availability) maps of all backscatter parameters spanning the time period from March 2007 to December 2020, with updates planned. Maps are presented as NetCDF files, and are provided in the NSIDC polar stereographic projection (12.5 km resolution, both hemispheres - see https://nsidc.org/data/polar-stereo/ps_grids.html).

Issued: 2019-11-20

Data time period: 2007-03-01 to 2019-12-31

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180,-50 180,-90 0,-90 -180,-90 -180,-50 0,-50 180,-50

0,-70

180,90 180,50 0,50 -180,50 -180,90 0,90 180,90

0,70

text: northlimit=-50; southlimit=-90; westlimit=-180; eastLimit=180; projection=WGS84

text: northlimit=90; southlimit=50; westlimit=-180; eastLimit=180; projection=WGS84

Subjects
ASCAT > Advanced Scatterometer | CONTINENT > ANTARCTICA | CRYOSPHERE | EARTH SCIENCE | FIRN | GEOGRAPHIC REGION > ARCTIC | GEOGRAPHIC REGION > POLAR | GLACIERS/ICE SHEETS | ICE ROUGHNESS | METOP-A > Meteorological Operational Satellite - A | METOP-B > Meteorological Operational Satellite - B | METOP-C | OCEAN > ARCTIC OCEAN | OCEAN > SOUTHERN OCEAN | SEA ICE | TERRESTRIAL HYDROSPHERE | climatologyMeteorologyAtmosphere |

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