Data

Coastal exposure index of sea ice in Antarctica

Australian Antarctic Data Centre
REID, PHIL ; MASSOM, ROB
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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:doi10.4225/15/57A13939A8312&rft.title=Coastal exposure index of sea ice in Antarctica&rft.identifier=10.4225/15/57A13939A8312&rft.publisher=Australian Antarctic Data Centre&rft.description=This is a simple index which looks at the 360x1-degree longitudinal wedges around the Antarctic continent to see if there is any sea ice (where sea ice concentration is greater than 15%) to the north of the continent in each of these wedges. The index goes from 0 (sea ice to the north off the continent in every longitude wedge) to 360 (no sea ice around the continent at all. Notes about the spreadsheet: - means no data. Satellite data was not available for those years. Otherwise the index goes from 0 through to 360. - Zero means that there is no longitude around the continent where there is coastal exposure. - 18 (for example) means that there are 18 longitudinal wedges around the continent with coastal exposure. This project used the following NASA data to develop the coastal exposure index: Cavalieri, D. J., C. L. Parkinson, P. Gloersen, and H. J. Zwally. 1996, updated yearly. Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS Passive Microwave Data, Version 1. [1979-2015]. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. doi: http://dx.doi.org/10.5067/8GQ8LZQVL0VL. [2016-05-30]&rft.creator=REID, PHIL &rft.creator=MASSOM, ROB &rft.date=2016&rft.coverage=northlimit=-60; southlimit=-80; westlimit=-180; eastLimit=180; projection=WGS84&rft.coverage=northlimit=-60; southlimit=-80; 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_4116_Coastal_Exposure when using these data.&rft_subject=climatologyMeteorologyAtmosphere&rft_subject=oceans&rft_subject=EARTH SCIENCE > CRYOSPHERE > SEA ICE > SEA ICE CONCENTRATION > ICE FRACTION&rft_subject=SEA ICE CONCENTRATION&rft_subject=EARTH SCIENCE&rft_subject=OCEANS&rft_subject=SEA ICE&rft_subject=Sea Ice&rft_subject=Coastal Exposure&rft_subject=Computer > Computer&rft_subject=Nimbus-7&rft_subject=GEOGRAPHIC REGION > POLAR&rft_subject=GEOGRAPHIC REGION > SOUTHERN HEMISPHERE&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_4116_Coastal_Exposure when using these data.

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Brief description

This is a simple index which looks at the 360x1-degree longitudinal wedges around the Antarctic continent to see if there is any sea ice (where sea ice concentration is greater than 15%) to the north of the continent in each of these wedges.
The index goes from 0 (sea ice to the north off the continent in every longitude wedge) to 360 (no sea ice around the continent at all.

Notes about the spreadsheet:
"-" means no data. Satellite data was not available for those years.

Otherwise the index goes from 0 through to 360.
- Zero means that there is no longitude around the continent where there is coastal exposure.
- 18 (for example) means that there are 18 longitudinal wedges around the continent with coastal exposure.

This project used the following NASA data to develop the coastal exposure index:

Cavalieri, D. J., C. L. Parkinson, P. Gloersen, and H. J. Zwally. 1996, updated yearly. Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS Passive Microwave Data, Version 1. [1979-2015]. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. doi: http://dx.doi.org/10.5067/8GQ8LZQVL0VL. [2016-05-30]

Issued: 2016-08-02

Data time period: 1978-10-26 to 2015-12-31

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180,-60 180,-80 0,-80 -180,-80 -180,-60 0,-60 180,-60

0,-70

text: northlimit=-60; southlimit=-80; westlimit=-180; eastLimit=180; projection=WGS84

Subjects
Coastal Exposure | Computer > Computer | EARTH SCIENCE | EARTH SCIENCE > CRYOSPHERE > SEA ICE > SEA ICE CONCENTRATION > ICE FRACTION | GEOGRAPHIC REGION > POLAR | GEOGRAPHIC REGION > SOUTHERN HEMISPHERE | Nimbus-7 | OCEANS | SEA ICE | SEA ICE CONCENTRATION | Sea Ice | climatologyMeteorologyAtmosphere | oceans |

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

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