EASE-Grid Data - Data Summaries

Near-Real-Time DMSP SSM/I-SSMIS Pathfinder Daily EASE-Grid Brightness Temperatures

Spatial Coverage:	Global:	N: 90°	S: -90°	E: 180°	W: -180°
Temporal Coverage:	09 July 1987 – Approximately Previous 270 Days
Parameters:	Brightness Temperatures

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Platform(s):	DMSP 5D-3/F17 Defense Meteorological Satellite Program-F17
Sensor(s):	SSMIS Special Sensor Microwave Imager/Sounder
Data Resolution:	Spatial: 25 km Temporal: Daily
Data Format:	Flat binary (2-byte integers)
More Information:	Metadata \| Documentation
Data Access:	FTP \| Polaris
Data Set Creator(s):	M. J. Brodzik, R. L. Armstrong

DMSP SSM/I-SSMIS Pathfinder Daily EASE-Grid Brightness Temperatures

Spatial Coverage:	Global:	N: 90°	S: -90°	E: 180°	W: -180°
Temporal Coverage:	09 July 1987 – Approximately Previous Quarter
Parameters:	Brightness Temperatures

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Platform(s):	DMSP 5D-3/F17 Defense Meteorological Satellite Program-F17 DMSP 5D-2/F13 Defense Meteorological Satellite Program-F13 DMSP 5D-2/F11 Defense Meteorological Satellite Program-F11 DMSP 5D-2/F8 Defense Meteorological Satellite Program-F8
Sensor(s):	SSMIS Special Sensor Microwave Imager/Sounder SSM/I Special Sensor Microwave/Imager
Data Resolution:	Spatial: 12.5 km, 25 km Temporal: Daily
Data Format:	Flat binary (1- and 2-byte integers)
More Information:	Metadata \| Documentation
Data Access:	FTP \| Polaris
Data Set Creator(s):	R. L. Armstrong, K. W. Knowles, M. J. Brodzik, M. A. Hardman

AMSR-E/Aqua Daily EASE-Grid Brightness Temperatures

Spatial Coverage:	Global:	N: 90°	S: -90°	E: 180°	W: -180°
Temporal Coverage:	19 June 2002 – 27 September 2011
Parameters:	Brightness Temperatures

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Platform(s):	AQUA Earth Observing System, AQUA
Sensor(s):	AMSR-E Advanced Microwave Scanning Radiometer-EOS
Data Resolution:	Spatial: 25 km, 0.25° Temporal: Daily
Data Format:	Flat binary (2-byte integers)
More Information:	Metadata \| Documentation
Data Access:	FTP \| Polaris
Data Set Creator(s):	K. Knowles

Enhanced-Resolution SSM/I and AMSR-E Daily Polar Brightness Temperatures

Spatial Coverage:	Northern:	N: 90°	S: 30°	E: 180°	W: -180°
	Southern:	N: -39°	S: -90°	E: 180°	W: -180°
Temporal Coverage:	01 January 1995 – 31 December 2008, 01 January 2002 – 31 December 2010
Parameters:	Brightness Temperatures

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Platform(s):	AQUA Earth Observing System, AQUA DMSP 5D-2/F13 Defense Meteorological Satellite Program-F13
Sensor(s):	AMSR-E Advanced Microwave Scanning Radiometer-EOS SSM/I Special Sensor Microwave/Imager
Data Resolution:	Spatial: 2.5 km, 7.5 km, 12.5 km Temporal: Twice-daily
Data Format:	Binary (2-byte integers)
More Information:	Metadata \| Documentation
Data Access:	FTP
Data Set Creator(s):	D. Long, J. Stroeve

Nimbus-7 SMMR Pathfinder Daily EASE-Grid Brightness Temperatures

Spatial Coverage:	Global:	N: 90°	S: -90°	E: 180°	W: -180°
Temporal Coverage:	25 October 1978 – 20 August 1987
Parameters:	Brightness Temperatures

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Platform(s):	NIMBUS-7
Sensor(s):	SMMR Scanning Multichannel Microwave Radiometer
Data Resolution:	Spatial: 25 km Temporal:
Data Format:	Flat binary (2-byte integers)
More Information:	Metadata \| Documentation
Data Access:	FTP \| Polaris
Data Set Creator(s):	K. W. Knowles, E. Njoku, R. L. Armstrong, M. J. Brodzik

Polar Pathfinder Daily 25 km EASE-Grid Sea Ice Motion Vectors

Spatial Coverage:	Northern:	N: 90°	S: 48.7278°	E: 180°	W: -180°
	Southern:	N: -53.2028°	S: -90°	E: 180°	W: -180°
Temporal Coverage:	25 October 1978 – 31 December 2006
Parameters:	Sea Ice Motion

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Platform(s):	AQUA Earth Observing System, AQUA BUOYS DMSP 5D-3/F17 Defense Meteorological Satellite Program-F17 DMSP 5D-2/F13 Defense Meteorological Satellite Program-F13 DMSP 5D-2/F11 Defense Meteorological Satellite Program-F11 DMSP 5D-2/F8 Defense Meteorological Satellite Program-F8 MODELS NIMBUS-7 NOAA-11 National Oceanic & Atmospheric Administration-11 NOAA-12 National Oceanic & Atmospheric Administration-12 NOAA-14 National Oceanic & Atmospheric Administration-14 NOAA-9 National Oceanic & Atmospheric Administration-9
Sensor(s):	AMSR-E Advanced Microwave Scanning Radiometer-EOS AVHRR Advanced Very High Resolution Radiometer DRIFTING BUOYS SSMIS Special Sensor Microwave Imager/Sounder SSM/I Special Sensor Microwave/Imager SMMR Scanning Multichannel Microwave Radiometer
Data Resolution:	Spatial: 25 km Temporal: Daily, Weekly, Monthly, Yearly
Data Format:	ASCII, Binary (2-byte integers), PNG, EPS
More Information:	Metadata \| Documentation
Data Access:	FTP
Data Set Creator(s):	C. Fowler, M. Tschudi

Sea Ice Charts of the Russian Arctic in Gridded Format, 1933-2006

Spatial Coverage:	Northern:	N: 90°	S: 60°	E: 180°	W: -180°
	Northern:	N: 90°	S: 65°	E: -150°	W: -180°
	Northern:	N: 90°	S: 65°	E: 180°	W: -30°
Temporal Coverage:	01 January 1933 – 31 December 1992, 01 January 1997 – 31 December 2006
Parameters:	Total Ice Concentration; Concentration of First-Year, Multiyear, New/Young, and Landfast Ice

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Platform(s):	AIRCRAFT BUOYS GROUND STATIONS SATELLITES
Sensor(s):	INFRARED RADIOMETERS RADIOMETERS SAR Synthetic Aperture Radar SLAR Side-Looking Airborne Radar VISIBLE SPECTROMETER VISUAL OBSERVATIONS
Data Resolution:	Spatial: 25 km Temporal: Approximately every ten days May – October; monthly for remainder of year
Data Format:	ASCII, Binary (2-byte integers), PNG
More Information:	Metadata \| Documentation
Data Access:	FTP
Data Set Creator(s):	V. Smolyanitsky, V. Borodachev, A. Mahoney, F. Fetterer, R. Barry

MODIS/Aqua Sea Ice Extent Daily L3 Global 1km EASE-Grid Day

Spatial Coverage:	Global:	N: 90°	S: -90°	E: 180°	W: -180°
Temporal Coverage:	04 July 2002 – Present
Parameters:	Sea Ice Extent, Sea Ice Temperature

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Platform(s):	AQUA Earth Observing System, AQUA
Sensor(s):	MODIS Moderate-Resolution Imaging Spectroradiometer SPECTRORADIOMETERS
Data Resolution:	Spatial: 1 km Temporal: Daily
Data Format:	HDF-EOS
More Information:	Metadata \| Documentation
Data Access:	Order Data
Data Set Creator(s):	D. K. Hall, G. A. Riggs, V. V. Salomonson

MODIS/Terra Sea Ice Extent Daily L3 Global 1km EASE-Grid Day

Spatial Coverage:	Global:	N: 90°	S: -90°	E: 180°	W: -180°
Temporal Coverage:	24 February 2000 – Present
Parameters:	Sea Ice Temperature

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Platform(s):	TERRA Earth Observing System, TERRA (AM-1)
Sensor(s):	MODIS Moderate-Resolution Imaging Spectroradiometer SPECTRORADIOMETERS
Data Resolution:	Spatial: 1 km Temporal: Daily
Data Format:	HDF-EOS
More Information:	Metadata \| Documentation
Data Access:	Order Data
Data Set Creator(s):	D. K. Hall, G. A. Riggs, V. V. Salomonson

MODIS/Aqua Sea Ice Extent Daily L3 Global 1km EASE-Grid Night

Spatial Coverage:	Global:	N: 90°	S: -90°	E: 180°	W: -180°
Temporal Coverage:	04 July 2002 – Present
Parameters:	Sea Ice Extent, Sea Ice Temperature

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Platform(s):	AQUA Earth Observing System, AQUA
Sensor(s):	MODIS Moderate-Resolution Imaging Spectroradiometer SPECTRORADIOMETERS
Data Resolution:	Spatial: 1 km Temporal: Daily
Data Format:	HDF-EOS
More Information:	Metadata \| Documentation
Data Access:	Order Data
Data Set Creator(s):	D. K. Hall, G. A. Riggs, V. V. Salomonson

MODIS/Terra Sea Ice Extent Daily L3 Global 1km EASE-Grid Night

Spatial Coverage:	Global:	N: 90°	S: -90°	E: 180°	W: -180°
Temporal Coverage:	24 February 2000 – Present
Parameters:	Sea Ice Extent, Sea Ice Temperature

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Platform(s):	TERRA Earth Observing System, TERRA (AM-1)
Sensor(s):	MODIS Moderate-Resolution Imaging Spectroradiometer SPECTRORADIOMETERS
Data Resolution:	Spatial: 1 km Temporal: Daily
Data Format:	HDF-EOS
More Information:	Metadata \| Documentation
Data Access:	Order Data
Data Set Creator(s):	D. K. Hall, G. A. Riggs, V. V. Salomonson

MODIS/Aqua Sea Ice Extent and IST Daily L3 Global 4km EASE-Grid Day

Spatial Coverage:	Global:	N: 90°	S: -90°	E: 180°	W: -180°
Temporal Coverage:	04 July 2002 – Present
Parameters:	Sea Ice Extent, Sea Ice Temperature

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Platform(s):	AQUA Earth Observing System, AQUA
Sensor(s):	MODIS Moderate-Resolution Imaging Spectroradiometer SPECTRORADIOMETERS
Data Resolution:	Spatial: 4 km Temporal: Daily
Data Format:	HDF-EOS
More Information:	Metadata \| Documentation
Data Access:	Order Data
Data Set Creator(s):	D. K. Hall, G. A. Riggs, V. V. Salomonson

MODIS/Terra Sea Ice Extent and IST Daily L3 Global 4km EASE-Grid Day

Spatial Coverage:	Global:	N: 90°	S: -90°	E: 180°	W: -180°
Temporal Coverage:	24 February 2000 – Present
Parameters:	Sea Ice Extent, Sea Ice Temperature

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Platform(s):	TERRA Earth Observing System, TERRA (AM-1)
Sensor(s):	MODIS Moderate-Resolution Imaging Spectroradiometer SPECTRORADIOMETERS
Data Resolution:	Spatial: 4 km Temporal: Daily
Data Format:	HDF-EOS
More Information:	Metadata \| Documentation
Data Access:	Order Data
Data Set Creator(s):	D. K. Hall, G. A. Riggs, V. V. Salomonson

Near-Real-Time SSM/I EASE-Grid Daily Global Ice Concentration and Snow Extent (NISE)

Spatial Coverage:	Global:	N: 90°	S: -90°	E: 180°	W: -180°
Temporal Coverage:	Approximately Previous Two Weeks
Parameters:	Sea Ice Concentration, Snow Extent

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Platform(s):	DMSP 5D-3/F17 Defense Meteorological Satellite Program-F17 DMSP 5D-2/F13 Defense Meteorological Satellite Program-F13
Sensor(s):	SSMIS Special Sensor Microwave Imager/Sounder SSM/I Special Sensor Microwave/Imager
Data Resolution:	Spatial: 25 km Temporal: Daily
Data Format:	HDF-EOS
More Information:	Metadata \| Documentation
Data Access:	FTP
Data Set Creator(s):	A. Nolin, R. L. Armstrong, J. Maslanik

Northern Hemisphere EASE-Grid 2.0 Weekly Snow Cover and Sea Ice Extent, Version 4

Spatial Coverage:	Northern:	N: 90°	S: 00°	E: 180°	W: -180°
Temporal Coverage:	03 October 1966 – 31 December 2010
Parameters:	Snow Cover, Sea Ice Extent

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Platform(s):	DMSP 5D-2/F13 Defense Meteorological Satellite Program-F13 DMSP 5D-2/F11 Defense Meteorological Satellite Program-F11 DMSP 5D-2/F8 Defense Meteorological Satellite Program-F8 GOES NOAA Geostationary Operational Environmental Satellites GOES-7 Geostationary Operational Environmental Satellite 7 NIMBUS-7 NOAA POES NOAA Polar Orbiting Environmental Satellites
Sensor(s):	AVHRR Advanced Very High Resolution Radiometer SMMR Scanning Multichannel Microwave Radiometer SSM/I Special Sensor Microwave/Imager VAS VISSR Atmospheric Sounder
Data Resolution:	Spatial: 25 km Temporal: Weekly
Data Format:	Flat binary (1-byte integers)
More Information:	Metadata \| Documentation
Data Access:	FTP \| Browse
Data Set Creator(s):	R. L. Armstrong, M. J. Brodzik

Global Monthly EASE-Grid Snow Water Equivalent Climatology

Spatial Coverage:	Global:	N: 90°	S: -90°	E: 180°	W: -180°
Temporal Coverage:	01 January 1978 – 31 December 2007
Parameters:	Snow Water Equivalent, Snow Cover

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Platform(s):	NIMBUS-7 NOAA POES NOAA Polar Orbiting Environmental Satellites SATELLITES
Sensor(s):	AVHRR Advanced Very High Resolution Radiometer SMMR Scanning Multichannel Microwave Radiometer SSM/I Special Sensor Microwave/Imager
Data Resolution:	Spatial: 25 km Temporal: Monthly
Data Format:	Flat binary (2-byte integers)
More Information:	Metadata \| Documentation
Data Access:	FTP
Data Set Creator(s):	R. Armstrong, M. J. Brodzik, K. Knowles, M. Savoie

AMSR-E/Aqua Daily L3 Global Snow Water Equivalent EASE-Grids

Spatial Coverage:	Global:	N: 90°	S: -90°	E: 180°	W: -180°
Temporal Coverage:	19 June 2002 – 27 September 2011
Parameters:	Snow Water Equivalent

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Platform(s):	AQUA Earth Observing System, AQUA
Sensor(s):	AMSR-E Advanced Microwave Scanning Radiometer-EOS
Data Resolution:	Spatial: 25 km Temporal: Daily
Data Format:	HDF-EOS
More Information:	Metadata \| Documentation
Data Access:	Order Data
Data Set Creator(s):	Alfred T. C. Chang, M. Tedesco, R. Kelly, J. L. Foster

AMSR-E/Aqua 5-Day L3 Global Snow Water Equivalent EASE-Grids

Spatial Coverage:	Global:	N: 90°	S: -90°	E: 180°	W: -180°
Temporal Coverage:	19 June 2002 – 27 September 2011
Parameters:	Snow Water Equivalent

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Platform(s):	AQUA Earth Observing System, AQUA
Sensor(s):	AMSR-E Advanced Microwave Scanning Radiometer-EOS
Data Resolution:	Spatial: 25 km Temporal: Daily, every 5 days, monthly
Data Format:	HDF-EOS
More Information:	Metadata \| Documentation
Data Access:	Order Data
Data Set Creator(s):	Alfred T. C. Chang, M. Tedesco, R. Kelly, J. L. Foster

AMSR-E/Aqua Monthly L3 Global Snow Water Equivalent EASE-Grids

Spatial Coverage:	Global:	N: 90°	S: -90°	E: 180°	W: -180°
Temporal Coverage:	19 June 2002 – 27 September 2011
Parameters:	Snow Water Equivalent

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Platform(s):	AQUA Earth Observing System, AQUA
Sensor(s):	AMSR-E Advanced Microwave Scanning Radiometer-EOS
Data Resolution:	Spatial: 25 km Temporal: Daily, every 5 days, monthly
Data Format:	HDF-EOS
More Information:	Metadata \| Documentation
Data Access:	Order Data
Data Set Creator(s):	M. Tedesco, R. Kelly, J. L. Foster, Alfred T. C. Chang

Global EASE-Grid 8-day Blended SSM/I and MODIS Snow Cover

Spatial Coverage:	Global:	N: 90°	S: -90°	E: 180°	W: -180°
Temporal Coverage:	05 March 2000 – 24 January 2008
Parameters:	Snow Water Equivalent, Snow Covered Area

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Platform(s):	TERRA Earth Observing System, TERRA (AM-1)
Sensor(s):	MODIS Moderate-Resolution Imaging Spectroradiometer SSM/I Special Sensor Microwave/Imager
Data Resolution:	Spatial: 25 km Temporal: Every 8 days
Data Format:	NetCDF, PNG
More Information:	Metadata \| Documentation
Data Access:	FTP \| Polaris
Data Set Creator(s):	M. J. Brodzik, R. L. Armstrong, M. Savoie

Circum-Arctic Map of Permafrost and Ground-Ice Conditions

Spatial Coverage:	Northern:	N: 90°	S: 28°	E: 180°	W: -180°
Temporal Coverage:	Not Applicable
Parameters:	Permafrost, Ground Ice

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Platform(s):	Not Applicable
Sensor(s):	Not Applicable
Data Resolution:	Spatial: 12.5 km, 25 km, 0.5° Temporal: Not applicable
Data Format:	ESRI Shapefiles, Flat Binary
More Information:	Metadata \| Documentation
Data Access:	FTP
Data Set Creator(s):	J. Brown, O.J. Ferrians, Jr., J.A. Heginbottom, E.S. Melnikov

Maps of Geocryological Regions and Classifications in China

Spatial Coverage:	Northern:	N: 53.48°	S: 18.19°	E: 135.09°	W: 73.45°
Temporal Coverage:	Not Applicable
Parameters:	Active Layer, Air Temperature, Permafrost, Seasonally Frozen Ground

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Platform(s):	Not Applicable
Sensor(s):	Not Applicable
Data Resolution:	Spatial: 25 km Temporal: Not applicable
Data Format:	ESRI Shapefiles, Flat Binary
More Information:	Metadata \| Documentation
Data Access:	FTP
Data Set Creator(s):	G. Qiu, Y. Zhou, D. Guo, Y. Wang

Map of Natural (Landscape) and Permafrost Zones and the Net of Soil Temperature Meteorological Stations in Russia and Middle Asian Mountains

Spatial Coverage:	Northern:	N: 90°	S: 32°	E: 163°	W: -10°
Temporal Coverage:	Not Applicable
Parameters:	Permafrost/Thaw Depth, Landscape Patterns

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Platform(s):	Not Applicable
Sensor(s):	Not Applicable
Data Resolution:	Spatial: Not applicable Temporal: Not applicable
Data Format:	Map Archive (MPK) files
More Information:	Metadata \| Documentation
Data Access:	FTP
Data Set Creator(s):	E. Melnikov, D. A. Gilichinsky

Arctic Soil Freeze/Thaw Status from SSM/I

Spatial Coverage:	Northern:	N: 90°	S: 45°	E: 180°	W: -180°
Temporal Coverage:	Not Applicable
Parameters:	Freeze/Thaw, Seasonally Frozen Ground

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Platform(s):	DMSP 5D-2/F13 Defense Meteorological Satellite Program-F13 DMSP 5D-2/F11 Defense Meteorological Satellite Program-F11 DMSP 5D-2/F8 Defense Meteorological Satellite Program-F8
Sensor(s):	SSM/I Special Sensor Microwave/Imager SMMR Scanning Multichannel Microwave Radiometer
Data Resolution:	Spatial: Not applicable Temporal: Not applicable
Data Format:	ASCII
More Information:	Metadata \| Documentation
Data Access:	FTP
Data Set Creator(s):	T. Zhang, R. Armstrong

AMSR-E/Aqua Daily L3 Surface Soil Moisture, Interpretive Parms, & QC EASE-Grids

Spatial Coverage:	Global:	N: 89.24°	S: -89.24°	E: 180°	W: -180°
Temporal Coverage:	19 June 2002 – 27 September 2011
Parameters:	Brightness Temperature, Vegetation/Roughness Parameter, Surface Soil Moisture

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Platform(s):	AQUA Earth Observing System, AQUA
Sensor(s):	AMSR-E Advanced Microwave Scanning Radiometer-EOS
Data Resolution:	Spatial: 25 km Temporal: Daily
Data Format:	HDF-EOS
More Information:	Metadata \| Documentation
Data Access:	Order Data
Data Set Creator(s):	Eni G. Njoku

AVHRR Polar Pathfinder Twice-Daily 5 km EASE-Grid Composites

Spatial Coverage:	Northern:	N: 90°	S: 48.4°	E: 180°	W: -180°
	Southern:	N: -53°	S: -90°	E: 180°	W: -180°
Temporal Coverage:	24 July 1981 – 30 June 2005
Parameters:	Albedo, Brightness Temperature, Cloud Amount/Frequency, Infrared Radiance, Land Surface Temperature, Skin Temperature, Thermal Infared, Thermal Properties, Viewing Geometry, Visible Radiance

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Platform(s):	NOAA-16 National Oceanic & Atmospheric Administration-16 NOAA-14 National Oceanic & Atmospheric Administration-14 NOAA-11 National Oceanic & Atmospheric Administration-11 NOAA-9 National Oceanic & Atmospheric Administration-9 NOAA-7 National Oceanic & Atmospheric Administration-7
Sensor(s):	AVHRR Advanced Very High Resolution Radiometer RADIOMETERS
Data Resolution:	Spatial: 5 km Temporal: Twice Daily
Data Format:	Binary (1- and 2-byte integers)
More Information:	Metadata \| Documentation
Data Access:	FTP
Data Set Creator(s):	W. Emery, C. Fowler, T. Haran, J. Key, J. Maslanik, T. Scambos

TOVS Pathfinder Path-P Daily and Monthly Polar Gridded Atmospheric Parameters

Spatial Coverage:	Northern:	N: 90°	S: 60°	E: 180°	W: -180°
	Southern:	N: -60°	S: -90°	E: 180°	W: -180°
Temporal Coverage:	01 January 1979 – 12 July 1979
Parameters:	Air Temperature, Cloud Amount/Frequency, Cloud Top Pressure, Cloud Top Temperature, Emissivity, Precipitable Water, Skin Temperature, Surface Air Temperature, Wind Stress

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Platform(s):	NOAA-14 National Oceanic & Atmospheric Administration-14 NOAA-13 National Oceanic & Atmospheric Administration-13 NOAA-12 National Oceanic & Atmospheric Administration-12 NOAA-11 National Oceanic & Atmospheric Administration-11 NOAA-10 National Oceanic & Atmospheric Administration-10 NOAA-9 National Oceanic & Atmospheric Administration-9 NOAA-8 National Oceanic & Atmospheric Administration-8 NOAA-7 National Oceanic & Atmospheric Administration-7 NOAA-6 National Oceanic & Atmospheric Administration-6
Sensor(s):	HIRS High Resolution Infrared Radiation Sounder MSU Microwave Sounding Unit TOVS TIROS Operational Vertical Sounder SOUNDERS
Data Resolution:	Spatial: 100 km Temporal: Daily, Monthly
Data Format:	HDF
More Information:	Metadata \| Documentation
Data Access:	FTP
Data Set Creator(s):	J. A. Francis, A. J. Schweiger

Ancillary data products are provided on the Ancillary Data Web page. These data sets were derived from external data sources and then gridded to the EASE-Grid. These data sets help to answer questions like what percentage of the EASE-Grid pixels are a particular type of land cover classification and what is the average elevation at each EASE-Grid pixel.

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