Data

Coastal exposure index of sea ice in Antarctica

Australian Ocean Data Network
Reid, P. and Massom, R. ; REID, PHIL ; MASSOM, ROB
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/AAS_4116_Coastal_Exposure&rft.title=Coastal exposure index of sea ice in Antarctica&rft.identifier=http://data.aad.gov.au/metadata/records/AAS_4116_Coastal_Exposure&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]Progress Code: completedStatement: Reliability of the index depends on the quality of the input data. This project used the NASA Team (25km) sea-ice concentration data to develop the index. A link to the NASA data is provided below.&rft.creator=Reid, P. and Massom, R. &rft.creator=REID, PHIL &rft.creator=MASSOM, ROB &rft.date=2016&rft.coverage=westlimit=-180; southlimit=-80; eastlimit=180; northlimit=-60&rft.coverage=westlimit=-180; southlimit=-80; eastlimit=180; northlimit=-60&rft_rights=This metadata record is publicly available.&rft_rights=These 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=AAS_4116_Coastal_Exposure 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=climatologyMeteorologyAtmosphere&rft_subject=oceans&rft_subject=EARTH SCIENCE > CRYOSPHERE > SEA ICE > SEA ICE CONCENTRATION > ICE FRACTION&rft_subject=EARTH SCIENCE > OCEANS > SEA ICE > SEA ICE CONCENTRATION&rft_subject=Sea Ice&rft_subject=Coastal Exposure&rft_subject=Computer > Computer&rft_subject=Nimbus-7&rft_subject=AMD&rft_subject=AMD/AU&rft_subject=ACE/CRC&rft_subject=CEOS&rft_subject=GEOGRAPHIC REGION > POLAR&rft_subject=GEOGRAPHIC REGION > SOUTHERN HEMISPHERE&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.
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.

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

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Attribution 4.0 International (CC BY 4.0)

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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]

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Progress Code: completed
Statement: Reliability of the index depends on the quality of the input data. This project used the NASA Team (25km) sea-ice concentration data to develop the index. A link to the NASA data is provided below.

Notes

Purpose
Can be used as a tool to examine summer-time sea ice cover and also a tool in which you can compare observation data with model output.

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

This dataset is part of a larger collection

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

0,-70

text: westlimit=-180; southlimit=-80; eastlimit=180; northlimit=-60

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

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Other Information
Download the coastal exposure index (GET DATA)

uri : https://data.aad.gov.au/eds/4241/download

Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS Passive Microwave Data, Version 1 (VIEW RELATED INFORMATION)

uri : https://nsidc.org/data/nsidc-0051

Identifiers
  • global : AAS_4116_Coastal_Exposure
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