Entry_ID: NSIDC-0271
Entry_Title: Global Monthly EASE-Grid Snow Water Equivalent Climatology
Group: Data_Set_Citation
   Dataset_Creator: Armstrong, R., M. Brodzik, K. Knowles, and M. Savoie. 
   Dataset_Title: Global Monthly EASE-Grid Snow Water Equivalent Climatology
   Dataset_Release_Date: 2005-05-31
   Dataset_Release_Place: Boulder, Colorado USA
   Dataset_Publisher: NSIDC DAAC: NASA DAAC at the National Snow and Ice Data Center
   Online_Resource: http://nsidc.org/data/nsidc-0271.html
End_Group
Group: Personnel
   Role: Investigator
   First_Name: Richard
   Last_Name: Armstrong
   Email: rlax@nsidc.org
   Phone: 1 303 492-6199 
   Fax: 1 303  492-2468 
   Group: Contact_Address
      Address: National Snow and Ice Data Center
      Address: National Snow and Ice Data Center
      Address: CIRES 449 UCB
      Address: University of Colorado
      City: Boulder
      Province_or_State: Colorado
      Postal_Code: 80309-0449
      Country: USA
   End_Group
End_Group
Group: Personnel
   Role: Investigator
   First_Name: Richard
   Last_Name: Armstrong
   Email: rlax@nsidc.org
   Phone: 1 303 492-6199 
   Fax: 1 303  492-2468 
   Group: Contact_Address
      Address: National Snow and Ice Data Center
      Address: National Snow and Ice Data Center
      Address: CIRES 449 UCB
      Address: University of Colorado
      City: Boulder
      Province_or_State: Colorado
      Postal_Code: 80309-0449
      Country: USA
   End_Group
End_Group
Group: Personnel
   Role: Investigator
   First_Name: Mary J.
   Last_Name: Brodzik
   Email: brodzik@nsidc.org
   Group: Contact_Address
      Address: National Snow and Ice Data Center
      Address: National Snow and Ice Data Center
      Address: CIRES, 449 UCB
      Address: University of Colorado
      City: Boulder
      Province_or_State: CO
      Postal_Code: 80309-0449
   End_Group
End_Group
Group: Personnel
   Role: Investigator
   First_Name: Kenneth
   Last_Name: Knowles
   Group: Contact_Address
      Address: National Snow and Ice Data Center
      Address: National Snow and Ice Data Center
      Address: CIRES, 449 UCB
      Address: University of Colorado
      City: Boulder
      Province_or_State: CO
      Postal_Code: 80309-0449
      Country: USA
   End_Group
End_Group
Group: Personnel
   Role: Investigator
   First_Name: Matthew
   Last_Name: Savoie
   Email: savoie@nsidc.org
   Group: Contact_Address
      Address: National Snow and Ice Data Center
      Address: CIRES, 449 UCB
      Address: University of Colorado
      City: Boulder
      Province_or_State: CO
      Postal_Code: 80309-0449
      Country: USA
   End_Group
End_Group
Group: Personnel
   Role: Technical Contact
   First_Name: NSIDC
   Last_Name: User Services
   Email: nsidc@nsidc.org
   Phone: 1 303 492-6199 x
   Fax: 1 303  492-2468 x
   Group: Contact_Address
      Address: National Snow and Ice Data Center
      Address: CIRES, 449 UCB
      Address: University of Colorado
      City: Boulder
      Province_or_State: CO
      Postal_Code: 80309-0449
      Country: USA
   End_Group
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Cryosphere
   Term: Snow/Ice
   Variable_Level_1: Snow Cover
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Cryosphere
   Term: Snow/Ice
   Variable_Level_1: Snow Water Equivalent
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Terrestrial Hydrosphere
   Term: Snow/Ice
   Variable_Level_1: Snow Cover
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Terrestrial Hydrosphere
   Term: Snow/Ice
   Variable_Level_1: Snow Water Equivalent
End_Group
ISO_Topic_Category: Climatology/Meteorology/Atmosphere
Keyword: Climatology
Keyword: EASE-Grid
Keyword: Global
Keyword: Historical Climatology
Keyword: Northern Hemisphere
Keyword: SMMR
Keyword: Southern Hemisphere
Keyword: SWE
Sensor_Name: AVHRR > Advanced Very High Resolution Radiometer
Sensor_Name: SMMR > Scanning Multichannel Microwave Radiometer
Sensor_Name: SSM/I > Special Sensor Microwave/Imager
Source_Name: NIMBUS-7
Source_Name: NOAA POES > NOAA Polar Orbiting Environmental Satellites
Source_Name: SATELLITES
Group: Temporal_Coverage
   Start_Date: 1978-01-01
   Stop_Date: 2007-12-31
End_Group
Data_Set_Progress: complete
Group: Spatial_Coverage
   Southernmost_Latitude: -90
   Northernmost_Latitude: 90
   Westernmost_Longitude: -180
   Easternmost_Longitude: 180
End_Group
Group: Location
   Location_Category: GEOGRAPHIC REGION
   Location_Type: GLOBAL
End_Group
Group: Access_Constraints

   Data access is unrestricted, but we recommend that users register before 
   accessing the data. Registered users automatically receive e-mail notification 
   of product updates and changes to processing.

End_Group
Data_Set_Language: English
Originating_Center: NSIDC_DAAC
Group: Data_Center
   Data_Center_Name: NASA DAAC > NASA DAAC at the National Snow and Ice Data Center
   Data_Center_URL: http://nsidc.org/daac/index.html
   Group: Personnel
      Role: Data Center Contact
      First_Name: NSIDC
      Last_Name: User Services
      Email: nsidc@nsidc.org
      Phone: 1 303 492-6199 
      Fax: 1 303  492-2468 
      Group: Contact_Address
         Address: National Snow and Ice Data Center
         Address: CIRES, 449 UCB
         Address: University of Colorado
         City: Boulder
         Province_or_State: CO
         Postal_Code: 80309-0449
         Country: USA
      End_Group
   End_Group
End_Group
Group: Data_Center
   Data_Center_Name: NSIDC > National Snow and Ice Data Center
   Data_Center_URL: http://nsidc.org
   Group: Personnel
      Role: Data Center Contact
      First_Name: NSIDC
      Last_Name: User Services
      Email: nsidc@nsidc.org
      Phone: 1 303 492-6199 
      Fax: 1 303  492-2468 
      Group: Contact_Address
         Address: National Snow and Ice Data Center
         Address: CIRES, 449 UCB
         Address: University of Colorado
         City: Boulder
         Province_or_State: CO
         Postal_Code: 80309-0449
         Country: USA
      End_Group
   End_Group
End_Group
Group: Distribution
   Distribution_Media: FTP
   Distribution_Size: 4 MB
   Distribution_Format: Binary
End_Group
Group: Reference

   Armstrong, R. L. and M. J. Brodzik. 2001. Recent Northern Hemisphere Snow 
   Extent: A Comparison of Data Derived from Visible and Microwave Sensors. 
   Geophysical Research Letters, 23(19):3673-3676.

   Armstrong, R. L. and M. J. Brodzik. 2002. Hemispheric-scale Comparison and 
   Evaluation of Passive Microwave Snow Algorithms, Annals of Glaciology, 34:38-44.

   Armstrong, R. L., M. J. Brodzik, J. R. Wang, M. H. Savoie, O. Frauenfeld, T. 
   Zhang. 2004. Solutions to the Snow Cover Mapping Anomaly over the Tibetan 
   Plateau (poster). Eos Trans. AGU, 85(47), Fall Meet. Suppl. Abstract C31A-0282.

   Brodzik, M. J. and K. W. Knowles. 2002. 'EASE-Grid: A Versatile Set of 
   Equal-area Projections and Grids' in M. Goodchild (Ed.) Discrete Global Grids. 
   Santa Barbara, California, USA: National Center for Geographic Information & 
   Analysis. http://www.ncgia.ucsb.edu/globalgrids-book/ease_grid/.

   Chang, A. T. C., J. L. Foster, D. K. Hall. 1987. Nimbus-7 SMMR Derived Global 
   Snow Cover Parameters. Annals of Glaciology, 9:39-44.

   Chang, A. T. C., J. L. Foster, D. K. Hall. 1996. Effects of Forest on the Snow 
   Parameters Derived from Microwave Measurements during the BOREAS Winter Field 
   Campaign. Hydrological Processes, 10:1565-1574.

End_Group
Group: Summary

   This data set comprises global, monthly satellite-derived Snow Water 
   Equivalent (SWE) climatologies from November 1978 through May 2007, with 
   periodic updates released as resources permit. Global data are gridded to the 
   Northern and Southern 25 km Equal-Area Scalable Earth Grids (EASE-Grids). 
   Global snow water equivalent is derived from Scanning Multichannel Microwave 
   Radiometer (SMMR) and selected Special Sensor Microwave/Imagers (SSM/I). 
   Northern Hemisphere data are enhanced with snow cover frequencies derived from 
   the Northern Hemisphere EASE-Grid Weekly Snow Cover and Sea Ice Extent Version 
   2 data (these data were not produced for the Southern Hemisphere). These data 
   are suitable for continental-scale time-series studies of snow cover and water 
   equivalent. The data are binary data files and PNG images, and are available 
   via FTP.

End_Group
Group: Related_URL
   Group: URL_Content_Type
      Type: VIEW RELATED INFORMATION
   End_Group
   URL: http://nsidc.org/data/atlas/
   Description: Atlas of the Cryosphere
End_Group
Group: Related_URL
   Group: URL_Content_Type
      Type: VIEW RELATED INFORMATION
   End_Group
   URL: http://nsidc.org/data/nsidc-0046.html
   Description: Northern Hemisphere EASE-Grid Weekly Snow Cover and Sea Ice Extent Version 3
End_Group
Metadata_Name: CEOS IDN DIF
Metadata_Version: 9.7
DIF_Creation_Date: 2005-05-31
Last_DIF_Revision_Date: 2013-10-07
DIF_Revision_History: Removed Service links and added them to guide doc.