Dataset Open Access
UHH Sea Ice Area Product
Rauschenbach, Quentin;
Doerr, Jakob;
Notz, Dirk;
Kern, Stefan
MARC21 XML Export
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<subfield code="a">This data set can also be accessed from https://www.cen.uni-hamburg.de/en/icdc/data/cryosphere/uhh-sea-ice-area-product.html
The individual time series terminate differently: OSI SAF: 2023-09-30, NASA-Team: 2023-09-30, Comiso-Bootstrap: 2023-09-30, Walsh: 2017-12-31, HadISST2: 2020-08-31, ESA-CCI+: 2020-12-31</subfield>
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<subfield code="a"><p><strong>Abstract:</strong> This data set comprises time series of the monthly sea-ice area (SIA) in the Northern Hemisphere (1 file) and in the Southern Hemisphere (1 file). SIA is derived from sea-ice concentration (SIC, also sea-ice area fraction) data of the following products: Walsh (version 2, only Northern Hemisphere), OSI SAF OSI-450a SIC climate data record / OSI-430a SIC interim climate data record, ESA-CCI+ phase 1 Higher Resolution SIC climate data record (<a href="https://zenodo.org/records/10014535">Lavergne et al., 2023</a>), HadISST (version 2), NASA-Team and Comiso-Bootstrap - both from the NOAA/NSIDC SIC climate data record (version 4.0). The monthly SIA is either directly computed from monthly SIC data or is derived as the mean of all daily SIA values. If required, the observational gap at the pole is interpolated. If required, temporal interpolation is applied - both to fill temporal (up to a maximum of 7 consecutive days) and spatial (if less than 1000 non-contiguous missing grid cells per day) gaps.</p>
<p><strong>Table of contents:</strong></p>
<p>Northern Hemisphere: HadISST_nsidc monthly sea-ice area; HadISST_orig monthly sea-ice area; ESA-CCI+ monthly sea-ice area, Comiso-Bootstrap monthly sea-ice area; NASA-Team monthly sea-ice area; OSI SAF monthly sea-ice area; Walsh monthly sea-ice area;</p>
<p>Southern Hemisphere: HadISST_nsidc monthly sea-ice area; HadISST_orig monthly sea-ice area; ESA-CCI+ monthly sea-ice area, Comiso-Bootstrap monthly sea-ice area; NASA-Team monthly sea-ice area; OSI SAF monthly sea-ice area</p>
<p><strong>Technical Info:</strong> standard_name: sea-ice area; long_name: algorithm_specific hemispheric sea-ice area time-series; dimension: 2076; temporalExtent_startDate: 1850-01-01; temporalExtent_endDate: 2023-09-30; temporalResolution: monthly; spatialResolution: none; spatialResolutionUnit: none; horizontalResolutionXdirection: none; horizontalResolutionYdirection: none; verticalResolution: none; verticalResolutionUnit: none; verticalStart: none; verticalEnd: none; instrumentName: various SMMR SSM/I SSMIS; instrumentType: various multifrequency_microwave_radiometer; instrumentLocation: various Nimbus-7 DMSP-f8 DMSP-f11 DMSP-f13 DMSP-17; instrumentProvider: various&nbsp;</p>
<p><strong>Methods:</strong> See description on <a href="https://www.cen.uni-hamburg.de/en/icdc/data/cryosphere/uhh-sea-ice-area-product.html">https://www.cen.uni-hamburg.de/en/icdc/data/cryosphere/uhh-sea-ice-area-product.html</a></p>
<p><strong>Units</strong> (all variables): 1e6 km<sup>2</sup></p>
<p><strong>geoLocations:</strong></p>
<p>Northern Hemisphere: westBoundLongitude: -180.0 degrees East; eastBoundLongitude: 180.0 degrees East; southBoundLatitude: 35.0 degrees North; northBoundLatitude: 90.0 degrees North; geoLocationPlace: Northern Hemisphere</p>
<p>Southern Hemisphere: westBoundLongitude: -180.0 degrees east; eastBoundLongitude: 180.0 degrees East; southBoundLatitude: -90.0 degrees North; northBoundLatitude: -35.0 degrees North; geoLocationPlace: Southern Hemisphere</p>
<p><strong>Size: </strong></p>
<p>Northern Hemisphere: 1 file, 7 variables, 2088 elements each (latest month with valid data is element 2085)</p>
<p>Southern Hemisphere: 1 file, 6 variables, 2088 elements each (latest month with valid data is element 2085)</p>
<p><strong>Format:</strong> netCDF</p>
<p><strong>DataSources:</strong></p>
<p><a href="https://nsidc.org/data/g10010">https://nsidc.org/data/g10010</a> [last accessed: 2022-10-01]</p>
<p><a href="https://doi.org/10.15770/EUM_SAF_OSI_0013">https://doi.org/10.15770/EUM_SAF_OSI_0013</a>&nbsp; [last accessed: 2023-03-10]</p>
<p><a href="https://doi.org/10.15770/EUM_SAF_OSI_0014">https://doi.org/10.15770/EUM_SAF_OSI_0014</a>&nbsp; [last accessed: 2023-11-07]</p>
<p><a href="https://nsidc.org/data/g02202">https://nsidc.org/data/g02202</a> [last accessed: 2024-01-24]</p>
<p><a href="https://www.metoffice.gov.uk/hadobs/hadisst2/data/HadISST.2.2.0.0_sea_ice_concentration.nc.gz">https://www.metoffice.gov.uk/hadobs/hadisst2/data/HadISST.2.2.0.0_sea_ice_concentration.nc.gz</a> [last accessed: 2023-01-09]</p>
<p><a href="https://dx.doi.org/10.5285/eade27004395466aaa006135e1b2ad1a">https://dx.doi.org/10.5285/eade27004395466aaa006135e1b2ad1a</a>&nbsp; [Last accessed: 2023-03-10]<br>
&nbsp;</p>
<p><strong>Contact:</strong> <a href="mailto:uhhsia.ifm@uni-hamburg.de">uhhsia.ifm (at) uni-hamburg.de</a></p>
<p><strong>Web page:</strong>&nbsp;<a href="https://www.cen.uni-hamburg.de/en/icdc/data/cryosphere/uhh-sea-ice-area-product.html">https://www.cen.uni-hamburg.de/en/icdc/data/cryosphere/uhh-sea-ice-area-product.html</a></p></subfield>
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- Publication date:
- March 5, 2024
- DOI:
-
- Keyword(s):
- Climate Research Marine Cryosphere Sea ice area Arctic Antarctic Observational data Time series monthly University of Hamburg University of Bergen ICDC
- Subject(s):
- Related identifiers:
- Cites:
https://zenodo.org/records/10014535 - Derived from:
https://nsidc.org/data/g10010, https://navigator.eumetsat.int/product/EO:EUM:DAT:0645, https://nsidc.org/data/g02202, https://www.metoffice.gov.uk/hadobs/hadisst2/data/HadISST.2.2.0.0_sea_ice_concentration.nc.gz, 10.15770/EUM_SAF_OSI_0013, 10.5285/eade27004395466aaa006135e1b2ad1a - Documented by:
https://www.cen.uni-hamburg.de/en/icdc/data/cryosphere/uhh-sea-ice-area-product.html - Previous versions:
10.25592/uhhfdm.8559 - Supplement to:
10.25592/uhhfdm.16126 - Communities:
- License (for files):
- Creative Commons Attribution 4.0 International