Dataset Open Access
Doerr, Jakob;
Notz, Dirk;
Kern, Stefan
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ind1=" " ind2=" "> <subfield code="c">2021-01-18</subfield> </datafield> <datafield tag="041" ind1=" " ind2=" "> <subfield code="a">eng</subfield> </datafield> <datafield tag="653" ind1=" " ind2=" "> <subfield code="a">Climate Research</subfield> </datafield> <datafield tag="653" ind1=" " ind2=" "> <subfield code="a">Marine Cryosphere</subfield> </datafield> <datafield tag="653" ind1=" " ind2=" "> <subfield code="a">Sea ice area</subfield> </datafield> <datafield tag="653" ind1=" " ind2=" "> <subfield code="a">Arctic</subfield> </datafield> <datafield tag="653" ind1=" " ind2=" "> <subfield code="a">Antarctic</subfield> </datafield> <datafield tag="653" ind1=" " ind2=" "> <subfield code="a">Time series</subfield> </datafield> <datafield tag="653" ind1=" " ind2=" "> <subfield code="a">monthly</subfield> </datafield> <datafield tag="653" ind1=" " ind2=" "> <subfield code="a">University of Hamburg</subfield> </datafield> <datafield tag="653" ind1=" " ind2=" "> <subfield code="a">University of Bergen</subfield> </datafield> <datafield tag="653" ind1=" " ind2=" "> <subfield code="a">ICDC</subfield> </datafield> <datafield tag="500" ind1=" " ind2=" "> <subfield code="a">This data set can also be accessed from https://icdc.cen.uni-hamburg.de/en/cryosphere/uhh-sea-ice-area-product.html</subfield> </datafield> <datafield tag="245" ind1=" " ind2=" "> <subfield code="a">UHH Sea Ice Area Product</subfield> </datafield> <datafield tag="856" ind1="4" ind2=" "> <subfield code="s">174576</subfield> <subfield code="u">https://www.fdr.uni-hamburg.de/record/8526/files/00_UHH_SeaIceAreaProduct_SampleImage.png</subfield> <subfield code="z">md5:790e5a6c8bdd360ee01db5cd3570d006</subfield> </datafield> <datafield tag="856" ind1="4" ind2=" "> <subfield code="s">146604</subfield> <subfield code="u">https://www.fdr.uni-hamburg.de/record/8526/files/SeaIceArea__NorthernHemisphere__monthly__UHH__v01_fv0.01.nc</subfield> <subfield code="z">md5:c054058704d25f74bb8c1373a2547738</subfield> </datafield> <datafield tag="856" ind1="4" ind2=" "> <subfield code="s">128188</subfield> <subfield code="u">https://www.fdr.uni-hamburg.de/record/8526/files/SeaIceArea__SouthernHemisphere__monthly__UHH__v01_fv0.01.nc</subfield> <subfield code="z">md5:7632c7b34e720317ec44a7291d56aa01</subfield> </datafield> <datafield tag="856" ind1="4" ind2=" "> <subfield code="s">6240</subfield> <subfield code="u">https://www.fdr.uni-hamburg.de/record/8526/files/uhh_seaicearea_product_metadata_v01.xml</subfield> <subfield code="z">md5:2a0153da2dbc1c5c2e47042be8601161</subfield> </datafield> <datafield tag="650" ind1="1" ind2="7"> <subfield code="a">cc-by</subfield> <subfield code="2">opendefinition.org</subfield> </datafield> <datafield tag="650" ind1="1" ind2=" "> <subfield code="a">Natural sciences</subfield> <subfield code="0">(url)https://www.oecd.org/science/inno/38235147.pdf</subfield> </datafield> <datafield tag="650" ind1="1" ind2=" "> <subfield code="a">Earth and related environmental sciences</subfield> <subfield code="0">(url)https://www.oecd.org/science/inno/38235147.pdf</subfield> </datafield> <datafield tag="520" ind1=" " ind2=" "> <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-450 / OSI-430-b, HadISST (version 2), NASA-Team and Comiso-Bootstrap - both from the NSIDC/NOAA SIC climate data record (version 3.1). 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; 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; 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: 2040; temporalExtent_startDate: 1850-01-01; temporalExtent_endDate: 2019-12-31; 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://icdc.cen.uni-hamburg.de/en/cryosphere/uhh-sea-ice-area-product.html">https://icdc.cen.uni-hamburg.de/en/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, 6 variables, 2040 elements each</p> <p>Southern Hemisphere: 1 file, 5 variables, 2040 elements each</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: 2019-09-13]</p> <p><a href="http://osisaf.met.no/p/ice/#conc-reproc-v2">http://osisaf.met.no/p/ice/#conc-reproc-v2</a> [last accessed: 2020-08-14]</p> <p><a href="https://nsidc.org/data/g02202">https://nsidc.org/data/g02202</a> [last accessed: 2020-08-14]</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: 2020-08-14]</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> <a href="https://icdc.cen.uni-hamburg.de/en/cryosphere/uhh-sea-ice-area-product.html">https://icdc.cen.uni-hamburg.de/en/cryosphere/uhh-sea-ice-area-product.html</a></p></subfield> </datafield> <datafield tag="980" ind1=" " ind2=" "> <subfield code="a">dataset</subfield> </datafield> <datafield tag="980" ind1=" " ind2=" "> <subfield code="a">user-cen</subfield> </datafield> <datafield tag="980" ind1=" " ind2=" "> <subfield code="a">user-cliccs</subfield> </datafield> <datafield tag="980" ind1=" " ind2=" "> <subfield code="a">user-icdc</subfield> </datafield> <datafield tag="700" ind1=" " ind2=" "> <subfield code="a">Notz, Dirk</subfield> <subfield code="u">Institute of Oceanography, Center for Earth System Research and Sustainability (CEN), University of Hamburg, Hamburg, Germany</subfield> <subfield code="0">(orcid)0000-0003-0365-5654</subfield> </datafield> <datafield tag="700" ind1=" " ind2=" "> <subfield code="a">Kern, Stefan</subfield> <subfield code="u">Integrated Climate Data Center (ICDC), Center for Earth System Research and Sustainability (CEN), University of Hamburg, Hamburg, Germany</subfield> <subfield code="0">(orcid)0000-0001-7281-3746</subfield> </datafield> <datafield tag="024" ind1=" " ind2=" "> <subfield code="a">10.25592/uhhfdm.8526</subfield> <subfield code="2">doi</subfield> </datafield> <datafield tag="100" ind1=" " ind2=" "> <subfield code="a">Doerr, Jakob</subfield> <subfield code="u">Geophysical Insitute, University of Bergen, Bergen, Norway</subfield> <subfield code="0">(orcid)0000-0002-1920-9301</subfield> </datafield> <controlfield tag="001">8526</controlfield> </record>