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  2. ISLSCP II GLOBAL SEA ICE CONCENTRATION

This International Satellite Land Surface Climatology Project (ISLSCP) Initiative II data set is based on the Goddard Space Flight Center (GSFC) Sea Ice Concentrations from Nimbus-7 Scanning Multichannel Microwave Radiometer (SMMR) and the Defense Meteorological Satellites Program (DMSP) Special Sensor Microwave/Imager (SSM/I) Passive Microwave Data. This data set contains four zip files which includes sea ice concentration (in percentage of ocean area covered by sea ice), table data and map data. These original data were re-gridded by the National Snow and Ice Data Center (NSIDC) from their original 25-km spatial resolution and EASE-Grid into equal angle Earth grids with quarter, half and one degree spatial resolutions in latitude/longitude. The ISLSCP II staff have taken the one degree resolution original data provided by the Principal Investigator and created global maps of monthly sea ice concentration on a global one degree grid using the latitude and longitude coordinates that were provided. Individual monthly files were created and written to the ASCII format. The re-gridded one degree original data were also adjusted to match the one degree ISLSCP II land/water mask.

Armstrong, R.L. and K. Knowles. 2010. ISLSCP II Global Sea Ice Concentration. Data set. Available on-line [http://daac.ornl.gov/] from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A. doi:10.3334/ORNLDAAC/981

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This data set contains 11 data granules
Granule Name Variables Metadata Preview Image
    Global Sea Ice Concentration Land/Water Mask Differences (One Degree) 1995 Projection: WGS 84
Spatial Extent: N: 90, S: -90, E: 180, W: -180
Start DateTime: N/A
End DateTime: N/A
Global Sea Ice Concentration Land/Water Mask Differences (One Degree) 1995
 
    Global Sea Ice Monthly average concentration (One Degree; all Months) 1986 sea ice concentration Projection: WGS 84
Spatial Extent: N: 90, S: -90, E: 180, W: -180
Start DateTime: 1986-01
End DateTime: 1986-12
Global Sea Ice Monthly average concentration  (One Degree; all Months) 1986
 
    Global Sea Ice Monthly average concentration (One Degree; all Months) 1987 sea ice concentration Projection: WGS 84
Spatial Extent: N: 90, S: -90, E: 180, W: -180
Start DateTime: 1987-01
End DateTime: 1987-12
Global Sea Ice Monthly average concentration  (One Degree; all Months) 1987
 
    Global Sea Ice Monthly average concentration (One Degree; all Months) 1988 sea ice concentration Projection: WGS 84
Spatial Extent: N: 90, S: -90, E: 180, W: -180
Start DateTime: 1988-01
End DateTime: 1988-12
Global Sea Ice Monthly average concentration  (One Degree; all Months) 1988
 
    Global Sea Ice Monthly average concentration (One Degree; all Months) 1989 sea ice concentration Projection: WGS 84
Spatial Extent: N: 90, S: -90, E: 180, W: -180
Start DateTime: 1989-01
End DateTime: 1989-12
Global Sea Ice Monthly average concentration  (One Degree; all Months) 1989
 
    Global Sea Ice Monthly average concentration (One Degree; all Months) 1990 sea ice concentration Projection: WGS 84
Spatial Extent: N: 90, S: -90, E: 180, W: -180
Start DateTime: 1990-01
End DateTime: 1990-12
Global Sea Ice Monthly average concentration  (One Degree; all Months) 1990
 
    Global Sea Ice Monthly average concentration (One Degree; all Months) 1991 sea ice concentration Projection: WGS 84
Spatial Extent: N: 90, S: -90, E: 180, W: -180
Start DateTime: 1991-01
End DateTime: 1991-12
Global Sea Ice Monthly average concentration  (One Degree; all Months) 1991
 
    Global Sea Ice Monthly average concentration (One Degree; all Months) 1992 sea ice concentration Projection: WGS 84
Spatial Extent: N: 90, S: -90, E: 180, W: -180
Start DateTime: 1992-01
End DateTime: 1992-12
Global Sea Ice Monthly average concentration  (One Degree; all Months) 1992
 
    Global Sea Ice Monthly average concentration (One Degree; all Months) 1993 sea ice concentration Projection: WGS 84
Spatial Extent: N: 90, S: -90, E: 180, W: -180
Start DateTime: 1993-01
End DateTime: 1993-12
Global Sea Ice Monthly average concentration  (One Degree; all Months) 1993
 
    Global Sea Ice Monthly average concentration (One Degree; all Months) 1994 sea ice concentration Projection: WGS 84
Spatial Extent: N: 90, S: -90, E: 180, W: -180
Start DateTime: 1994-01
End DateTime: 1994-12
Global Sea Ice Monthly average concentration  (One Degree; all Months) 1994