Data Sets

NSIDC archives and distributes a variety of data sets in the polar stereographic projection. The products are grouped in the following categories:

  • Brightness Temperature Products
  • Sea Ice Products
  • Snow on Sea Ice Products

Polar Stereo Brightness Temperatures

Title Spatial Coverage Temporal Coverage Spatial Resolution Temporal Resolution Parameter(s)
AMSR-E/Aqua Daily L3 12.5 km Brightness Temperature, Sea Ice Concentration, & Snow Depth Polar Grids, Version 3 N: 90, S: 30.98, E: 180, W: -180
N: -39.23, S: -90, E: 180, W: -180 		2002/06/01 to 2011/10/04 12.5 km 1 day, 5 day Brightness Temperature, Sea Ice Concentration, Snow Depth
AMSR-E/Aqua Daily L3 25 km Brightness Temperature & Sea Ice Concentration Polar Grids, Version 3 N: 90, S: 30.98, E: 180, W: -180
N: -39.23, S: -90, E: 180, W: -180 		2002/06/01 to 2011/10/04 25 km 1 day Brightness Temperature, Sea Ice Concentration
AMSR-E/Aqua Daily L3 6.25 km 89 GHz Brightness Temperature Polar Grids, Version 3 N: 90, S: 30.98, E: 180, W: -180
N: -39.23, S: -90, E: 180, W: -180 		2002/06/01 to 2011/10/04 6.25 km 1 day Brightness Temperature
DMSP SSM/I-SSMIS Daily Polar Gridded Brightness Temperatures, Version 2 N: 90, S: 30, E: 180, W: -180
N: -39, S: -90, E: 180, W: -180 		1987/07/09 to 1991/12/31
1995/05/03 to 2008/07/30 		25 km 1 day Brightness Temperature
DMSP SSM/I-SSMIS Daily Polar Gridded Brightness Temperatures, Version 3 N: -39, S: -90, E: 180, W: -180
N: 90, S: 30, E: 180, W: -180 		2008/07/01 to 2009/04/29 25 km 1 day Brightness Temperature
DMSP SSM/I-SSMIS Daily Polar Gridded Brightness Temperatures, Version 4 N: 90, S: 30, E: 180, W: -180
N: -39, S: -90, E: 180, W: -180 		2006/12/14 to 2019/03/31 25 km 1 day Brightness Temperature
DMSP SSM/I-SSMIS Daily Polar Gridded Brightness Temperatures, Version 5 N: -39, S: -90, E: 180, W: -180
N: 90, S: 30, E: 180, W: -180 		1987/07/09 to 2019/03/31 25 km 1 day BRIGHTNESS TEMPERATURE
Near-Real-Time DMSP SSM/I-SSMIS Daily Polar Gridded Brightness Temperatures, Version 1 N: 90, S: 60, E: 180, W: -180
N: -60, S: -90, E: 180, W: -180 		2016/04/01 25 km 1 day BRIGHTNESS TEMPERATURE
Nimbus-5 ESMR Polar Gridded Brightness Temperatures, Version 2 N: 90, S: 50, E: 180, W: -180
N: -50, S: -90, E: 180, W: -180 		1972/12/11 to 1977/05/16 25 km 1 day Brightness Temperature
Nimbus-7 SMMR Polar Gridded Radiances and Sea Ice Concentrations, Version 1 N: -39, S: -90, E: 180, W: -180
N: 90, S: 30, E: 180, W: -180 		1978/10/25 to 1987/08/20 25 km 2 day Brightness Temperature, Ice Extent, Sea Ice Concentration

Polar Stereo Sea Ice

Title Spatial Coverage Temporal Coverage Spatial Resolution Temporal Resolution Parameter(s)
AMSR-E/Aqua Daily L3 12.5 km Brightness Temperature, Sea Ice Concentration, & Snow Depth Polar Grids, Version 3 N: 90, S: 30.98, E: 180, W: -180
N: -39.23, S: -90, E: 180, W: -180 		2002/06/01 to 2011/10/04 12.5 km 1 day, 5 day Brightness Temperature, Sea Ice Concentration, Snow Depth
AMSR-E/Aqua Daily L3 25 km Brightness Temperature & Sea Ice Concentration Polar Grids, Version 3 N: 90, S: 30.98, E: 180, W: -180
N: -39.23, S: -90, E: 180, W: -180 		2002/06/01 to 2011/10/04 25 km 1 day Brightness Temperature, Sea Ice Concentration
Bootstrap Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS, Version 3 N: -39, S: -90, E: 180, W: -180
N: 90, S: 30, E: 180, W: -180 		1978/11/01 to 2018/12/31 25 km 1 day, 1 month SEA ICE CONCENTRATION
Near-Real-Time DMSP SSMIS Daily Polar Gridded Sea Ice Concentrations, Version 1 N: -39.23, S: -90, E: 180, W: -180
N: 90, S: 30.98, E: 180, W: -180 		2015/01/01 25 km 1 day Sea Ice Concentration
Near-Real-Time NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration, Version 1 N: 89.84, S: 31.1, E: 180, W: -180
N: -39.36, S: -89.84, E: 180, W: -180 		2019/01/01 25 km 1 day, 1 month Sea Ice Concentration
Nimbus-5 ESMR Polar Gridded Sea Ice Concentrations, Version 1 N: -39.23, S: -90, E: 180, W: -180
N: 90, S: 30.98, E: 180, W: -180 		1972/12/13 to 1977/05/11 25 km 1 day, 1 month Sea Ice Concentration
Nimbus-7 SMMR Polar Gridded Radiances and Sea Ice Concentrations, Version 1 N: -39, S: -90, E: 180, W: -180
N: 90, S: 30, E: 180, W: -180 		1978/10/25 to 1987/08/20 25 km 2 day Brightness Temperature, Ice Extent, Sea Ice Concentration
NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration, Version 3 N: 89.84, S: 31.1, E: 180, W: -180
N: -39.36, S: -89.84, E: 180, W: -180 		1978/11/01 to 2018/12/31 25 km 1 day, 1 month Sea Ice Concentration
Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS Passive Microwave Data, Version 1 N: 90, S: 30.98, E: 180, W: -180
N: -39.23, S: -90, E: 180, W: -180 		1978/10/26 to 2018/12/31 25 km 1 month, 1 day Average Sea Ice Concentration, Sea Ice Concentration
Sea Ice Index, Version 3 N: -39.23, S: -90, E: 180, W: -180
N: 90, S: 30.98, E: 180, W: -180 		1978/10/26 25 km 1 day, 1 month Ice Extent, Ice Growth/Melt, Sea Ice Concentration
Sea Ice Trends and Climatologies from SMMR and SSM/I-SSMIS, Version 2 N: -39.23, S: -90, E: 180, W: -180
N: 90, S: 30.98, E: 180, W: -180 		1978/10/26 to 2015/12/31 25 km Ice Extent, Sea Ice Concentration
Sea Ice Trends and Climatologies from SMMR and SSM/I-SSMIS, Version 3 N: 90, S: 30.98, E: 180, W: -180
N: -39.23, S: -90, E: 180, W: -180 		1978/10/26 to 2017/12/31 25 km Varies Ice Extent, Sea Ice Concentration

Polar Stereo Snow on Sea Ice

Title Spatial Coverage Temporal Coverage Spatial Resolution Temporal Resolution Parameter(s)
AMSR-E/Aqua Daily L3 12.5 km Brightness Temperature, Sea Ice Concentration, & Snow Depth Polar Grids, Version 3 N: 90, S: 30.98, E: 180, W: -180
N: -39.23, S: -90, E: 180, W: -180 		2002/06/01 to 2011/10/04 12.5 km 1 day, 5 day Brightness Temperature, Sea Ice Concentration, Snow Depth
Snow Melt Onset Over Arctic Sea Ice from SMMR and SSM/I-SSMIS Brightness Temperatures, Version 3 N: 90, S: 30, E: 180, W: -180 1979/01/01 to 2012/12/31 25 km 1 year Snow Melt
Snow Melt Onset Over Arctic Sea Ice from SMMR and SSM/I-SSMIS Brightness Temperatures, Version 4 N: 90, S: 30, E: 180, W: -180 1979/01/01 to 2017/12/31 25 km 1 year Snow Melt