Data

Change and variability in East Antarctic sea ice seasonality 1979/80-2009/10

Australian Ocean Data Network
Reid, P., Massom, R., Stammerjohn, S., Raymond, B., Fraser, A.D. and Ushio, S. ; REID, PHIL ; MASSOM, ROB ; STAMMERJOHN, SHARON ; RAYMOND, BEN ; FRASER, ALEXANDER D. ; USHIO, SHUKI
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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=Dataset DOI&rft.title=Change and variability in East Antarctic sea ice seasonality 1979/80-2009/10&rft.identifier=Dataset DOI&rft.publisher=Australian Antarctic Data Centre&rft.description=This dataset relates to long-term change and variability in annual timings of sea ice advance, retreat and resultant ice season duration in East Antarctica derived from the satellite passive-microwave time series dating back to Nimbus 7. These were calculated from satellite-derived ice concentration data for the period 1979/80 to 2009/10. The dataset includes more detailed analysis of change and variability in sea ice conditions along meridional transects i.e., 110 degrees E and 140 degrees E relating to sea ice concentration and extent, and along 90 deg E, 100 deg E, 110 deg E and 140 deg E for trends in sea ice concentration for the period 1979-2010. Also included are monthly sea-surface temperature (SST) trends mapped north of the East Antarctic sea-ice zone for the period 1982-2010. The SST data are from the Reynolds and Smith OLv2 dataset. These data form the basis of the publication: Massom, R.A., P. Reid, S. Stammerjohn, B. Raymond, A. Fraser and S. Ushio. 2013. Change and variability in East Antarctic sea ice seasonality, 1979/80-2009/10. PloS ONE, 8(5), e64756, doi:10.1371/journal.pone.0064756Progress Code: completedStatement: The NASA Bootstrap SMMR-SSM/I combined dataset used has complete coverage of the Antarctic sea ice zone on a daily basis after July 1987, but only every other day prior to that (back to October 1978), at a spatial resolution of 25 x 25 km. Isolated days of missing data were interpolated from adjoining days. Larger gaps during December 1987 through mid January 1988 were filled with the 1979–2009 climatology.&rft.creator=Reid, P., Massom, R., Stammerjohn, S., Raymond, B., Fraser, A.D. and Ushio, S. &rft.creator=REID, PHIL &rft.creator=MASSOM, ROB &rft.creator=STAMMERJOHN, SHARON &rft.creator=RAYMOND, BEN &rft.creator=FRASER, ALEXANDER D. &rft.creator=USHIO, SHUKI &rft.date=2019&rft.coverage=westlimit=30; southlimit=-74; eastlimit=170; northlimit=-46&rft.coverage=westlimit=30; southlimit=-74; eastlimit=170; northlimit=-46&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_Sea-Ice-Seasonality-East-Antarctic 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.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_Sea-Ice-Seasonality-East-Antarctic when using these data.
http://creativecommons.org/licenses/by/4.0/).

Attribution 4.0 International (CC BY 4.0)

https://creativecommons.org/licenses/by/4.0/legalcode

This metadata record is publicly available.

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

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Creative Commons by Attribution logo

Attribution 4.0 International (CC BY 4.0)

Legal code for Creative Commons by Attribution 4.0 International license

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Brief description

This dataset relates to long-term change and variability in annual timings of sea ice advance, retreat and resultant ice season duration in East Antarctica derived from the satellite passive-microwave time series dating back to Nimbus 7. These were calculated from satellite-derived ice concentration data for the period 1979/80 to 2009/10. The dataset includes more detailed analysis of change and variability in sea ice conditions along meridional transects i.e., 110 degrees E and 140 degrees E relating to sea ice concentration and extent, and along 90 deg E, 100 deg E, 110 deg E and 140 deg E for trends in sea ice concentration for the period 1979-2010. Also included are monthly sea-surface temperature (SST) trends mapped north of the East Antarctic sea-ice zone for the period 1982-2010. The SST data are from the Reynolds and Smith OLv2 dataset.

These data form the basis of the publication: Massom, R.A., P. Reid, S. Stammerjohn, B. Raymond, A. Fraser and S. Ushio. 2013. Change and variability in East Antarctic sea ice seasonality, 1979/80-2009/10. PloS ONE, 8(5), e64756, doi:10.1371/journal.pone.0064756

Lineage

Progress Code: completed
Statement: The NASA Bootstrap SMMR-SSM/I combined dataset used has complete coverage of the Antarctic sea ice zone on a daily basis after July 1987, but only every other day prior to that (back to October 1978), at a spatial resolution of 25 x 25 km. Isolated days of missing data were interpolated from adjoining days. Larger gaps during December 1987 through mid January 1988 were filled with the 1979–2009 climatology.

Notes

Purpose
This dataset has numerous applications for both geophysical and biological studies and will contribute to Antarctic research requiring quantitative information on and related to change and variability in the seasonal nature of sea ice coverage across East Antarctica. The dataset includes data used to produce the figures published in: Massom, R.A., P. Reid, S. Stammerjohn, B. Raymond, A. Fraser and S. Ushio. 2013. Change and variability in East Antarctic sea ice seasonality, 1979/80-2009/10. PloS ONE, 8(5), e64756, doi:10.1371/journal.pone.0064756.

Data time period: 1979-02-15 to 2011-02-15

170,-46 170,-74 30,-74 30,-46 170,-46

100,-60

text: westlimit=30; southlimit=-74; eastlimit=170; northlimit=-46

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