Dataset Open Access

UHH Sea Ice Area Product

Doerr, Jakob; Notz, Dirk; Kern, Stefan

Abstract: 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.

Table of contents:

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;

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

Technical Info: 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 

Methods: See description on https://icdc.cen.uni-hamburg.de/en/cryosphere/uhh-sea-ice-area-product.html

Units (all variables): 1e6 km2

geoLocations:

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

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

Size:

Northern Hemisphere: 1 file, 6 variables, 2040 elements each

Southern Hemisphere: 1 file, 5 variables, 2040 elements each

Format: netCDF

DataSources:

https://nsidc.org/data/g10010 [last accessed: 2019-09-13]

http://osisaf.met.no/p/ice/#conc-reproc-v2 [last accessed: 2020-08-14]

https://nsidc.org/data/g02202 [last accessed: 2020-08-14]

https://www.metoffice.gov.uk/hadobs/hadisst2/data/HadISST.2.2.0.0_sea_ice_concentration.nc.gz [last accessed: 2020-08-14]

Contact: uhhsia.ifm (at) uni-hamburg.de

Web page: https://icdc.cen.uni-hamburg.de/en/cryosphere/uhh-sea-ice-area-product.html

This data set can also be accessed from https://icdc.cen.uni-hamburg.de/en/cryosphere/uhh-sea-ice-area-product.html
Files (455.6 kB)
Name Size
00_UHH_SeaIceAreaProduct_SampleImage.png
md5:790e5a6c8bdd360ee01db5cd3570d006
174.6 kB Download
SeaIceArea__NorthernHemisphere__monthly__UHH__v01_fv0.01.nc
md5:c054058704d25f74bb8c1373a2547738
146.6 kB Download
SeaIceArea__SouthernHemisphere__monthly__UHH__v01_fv0.01.nc
md5:7632c7b34e720317ec44a7291d56aa01
128.2 kB Download
uhh_seaicearea_product_metadata_v01.xml
md5:2a0153da2dbc1c5c2e47042be8601161
6.2 kB Download

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