January 18, 2021 Dataset Open Access

Doerr, Jakob; Notz, Dirk; Kern, Stefan

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  <identifier identifierType="DOI">10.25592/uhhfdm.8526</identifier>
  <creators>
    <creator>
      <creatorName>Doerr, Jakob</creatorName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0002-1920-9301</nameIdentifier>
      <affiliation>Geophysical Insitute, University of Bergen, Bergen, Norway</affiliation>
    </creator>
    <creator>
      <creatorName>Notz, Dirk</creatorName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0003-0365-5654</nameIdentifier>
      <affiliation>Institute of Oceanography, Center for Earth System Research and Sustainability (CEN), University of Hamburg, Hamburg, Germany</affiliation>
    </creator>
    <creator>
      <creatorName>Kern, Stefan</creatorName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0001-7281-3746</nameIdentifier>
      <affiliation>Integrated Climate Data Center (ICDC), Center for Earth System Research and Sustainability (CEN), University of Hamburg, Hamburg, Germany</affiliation>
    </creator>
  </creators>
  <titles>
    <title>UHH Sea Ice Area Product</title>
  </titles>
  <publisher>Universität Hamburg</publisher>
  <publicationYear>2021</publicationYear>
  <subjects>
    <subject>Climate Research</subject>
    <subject>Marine Cryosphere</subject>
    <subject>Sea ice area</subject>
    <subject>Arctic</subject>
    <subject>Antarctic</subject>
    <subject>Time series</subject>
    <subject>monthly</subject>
    <subject>University of Hamburg</subject>
    <subject>University of Bergen</subject>
    <subject>ICDC</subject>
    <subject subjectScheme="url">https://www.oecd.org/science/inno/38235147.pdf</subject>
    <subject subjectScheme="url">https://www.oecd.org/science/inno/38235147.pdf</subject>
  </subjects>
  <dates>
    <date dateType="Issued">2021-01-18</date>
  </dates>
  <language>en</language>
  <resourceType resourceTypeGeneral="Dataset"/>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://www.fdr.uni-hamburg.de/record/8526</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="URL" relationType="References">https://nsidc.org/data/g10010</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="References">http://osisaf.met.no/p/ice/#conc-reproc-v2</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="References">https://nsidc.org/data/g02202</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="References">https://www.metoffice.gov.uk/hadobs/hadisst2/data/HadISST.2.2.0.0_sea_ice_concentration.nc.gz</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsDocumentedBy">https://icdc.cen.uni-hamburg.de/en/cryosphere/uhh-sea-ice-area-product.html</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsPartOf">10.25592/uhhfdm.8525</relatedIdentifier>
  </relatedIdentifiers>
  <version>v01_fv0.01</version>
  <rightsList>
    <rights rightsURI="https://creativecommons.org/licenses/by/4.0/legalcode">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;&lt;strong&gt;Abstract:&lt;/strong&gt; 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.&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Table of contents:&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;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;&lt;/p&gt;

&lt;p&gt;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&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Technical Info:&lt;/strong&gt; 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&amp;nbsp;&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Methods:&lt;/strong&gt; See description on &lt;a href="https://icdc.cen.uni-hamburg.de/en/cryosphere/uhh-sea-ice-area-product.html"&gt;https://icdc.cen.uni-hamburg.de/en/cryosphere/uhh-sea-ice-area-product.html&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Units&lt;/strong&gt; (all variables): 1e6 km&lt;sup&gt;2&lt;/sup&gt;&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;geoLocations:&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;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&lt;/p&gt;

&lt;p&gt;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&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Size: &lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;Northern Hemisphere: 1 file, 6 variables, 2040 elements each&lt;/p&gt;

&lt;p&gt;Southern Hemisphere: 1 file, 5 variables, 2040 elements each&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Format:&lt;/strong&gt; netCDF&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;DataSources:&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;&lt;a href="https://nsidc.org/data/g10010"&gt;https://nsidc.org/data/g10010&lt;/a&gt; [last accessed: 2019-09-13]&lt;/p&gt;

&lt;p&gt;&lt;a href="http://osisaf.met.no/p/ice/#conc-reproc-v2"&gt;http://osisaf.met.no/p/ice/#conc-reproc-v2&lt;/a&gt; [last accessed: 2020-08-14]&lt;/p&gt;

&lt;p&gt;&lt;a href="https://nsidc.org/data/g02202"&gt;https://nsidc.org/data/g02202&lt;/a&gt; [last accessed: 2020-08-14]&lt;/p&gt;

&lt;p&gt;&lt;a href="https://www.metoffice.gov.uk/hadobs/hadisst2/data/HadISST.2.2.0.0_sea_ice_concentration.nc.gz"&gt;https://www.metoffice.gov.uk/hadobs/hadisst2/data/HadISST.2.2.0.0_sea_ice_concentration.nc.gz&lt;/a&gt; [last accessed: 2020-08-14]&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Contact:&lt;/strong&gt; &lt;a href="mailto:uhhsia.ifm@uni-hamburg.de"&gt;uhhsia.ifm (at) uni-hamburg.de&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Web page:&lt;/strong&gt; &lt;a href="https://icdc.cen.uni-hamburg.de/en/cryosphere/uhh-sea-ice-area-product.html"&gt;https://icdc.cen.uni-hamburg.de/en/cryosphere/uhh-sea-ice-area-product.html&lt;/a&gt;&lt;/p&gt;</description>
    <description descriptionType="Other">This data set can also be accessed from https://icdc.cen.uni-hamburg.de/en/cryosphere/uhh-sea-ice-area-product.html</description>
  </descriptions>
</resource>