Entry_ID: G00804
Entry_Title: GLERL Great Lakes Ice Concentration Data Base, 1960-1979
Group: Data_Set_Citation
   Dataset_Creator: Assel, R. A. 
   Dataset_Title: GLERL Great Lakes Ice Concentration Data Base, 1960-1979
   Dataset_Release_Date: 1983-01-01
   Dataset_Release_Place: Boulder, Colorado USA
   Dataset_Publisher: NSIDC: National Snow and Ice Data Center
   Online_Resource: http://nsidc.org/data/g00804.html
   Dataset DOI: http://dx.doi.org/10.7265/N5G44N6G
End_Group
Group: Personnel
   Role: Investigator
   First_Name: Raymond
   Middle_Name: A.
   Last_Name: Assel
   Email: assel@glerl.noaa.gov
   Group: Contact_Address
      Address: Great Lakes Environmental Research Laboratory
      Address: NOAA/OAR/ERL/GLERL
      Address: 2205 Commonwealth Blvd.
      City: Ann Arbor
      Province_or_State: MI
      Postal_Code: 48105-1593
   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: Ice Extent
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Cryosphere
   Term: Snow/Ice
   Variable_Level_1: Lake Ice
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Terrestrial Hydrosphere
   Term: Snow/Ice
   Variable_Level_1: Ice Extent
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Terrestrial Hydrosphere
   Term: Snow/Ice
   Variable_Level_1: Lake Ice
End_Group
ISO_Topic_Category: Climatology/Meteorology/Atmosphere
ISO_Topic_Category: Inland Waters
Keyword: Climatology
Keyword: Freshwater Ice
Keyword: Ice Concentration
Sensor_Name: CAMERAS
Sensor_Name: SLAR > Side-Looking Airborne Radar
Source_Name: AIRCRAFT
Source_Name: NOAA POES > NOAA Polar Orbiting Environmental Satellites
Source_Name: SHIPS
Group: Temporal_Coverage
   Start_Date: 1960-11-01
   Stop_Date: 1979-05-01
End_Group
Data_Set_Progress: complete
Group: Spatial_Coverage
   Southernmost_Latitude: 41
   Northernmost_Latitude: 49
   Westernmost_Longitude: -93
   Easternmost_Longitude: -76
End_Group
Group: Location
   Location_Category: CONTINENT
   Location_Type: NORTH AMERICA
   Detailed_Location: USA
End_Group
Group: Location
   Location_Category: CONTINENT
   Location_Type: NORTH AMERICA
   Location_Subregion1: UNITED STATES OF AMERICA
End_Group
Group: Location
   Location_Category: CONTINENT
   Location_Type: NORTH AMERICA
   Location_Subregion1: UNITED STATES OF AMERICA
   Location_Subregion2: GREAT LAKES
   Detailed_Location: LAKE ERIE
End_Group
Group: Location
   Location_Category: GEOGRAPHIC REGION
   Location_Type: MID-LATITUDE
End_Group
Data_Set_Language: English
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: Data_Center
   Data_Center_Name: NOAA @ NSIDC > National Oceanic and Atmospheric Administration
   Data_Center_URL: http://nsidc.org/noaa/
   Group: Personnel
      Role: Data Center Contact
      First_Name: NOAA
      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
End_Group
Group: Distribution
   Distribution_Media: FTP
End_Group
Group: Reference

   Assel, R. A. A Computerized Ice Concentration Data Base for the Great Lakes. 
   NOAA Data Report ERL GLERL-24, April 1983 NTIS order number: PB83-233013.

   
 Assel, R. A. Great Lakes weekly ice cover statistics. NOAA Technical 
   Memorandum GLERL-133. NOAA, Great Lakes Environmental Research Laboratory, Ann 
   Arbor, MI, 27 pp. (2005). 
   ftp://ftp.glerl.noaa.gov/publications/tech_reports/glerl-133/

   
 Assel, R. A. Computerized National Weather Service Great Lakes ice reports 
   for winter seasons 1899-1970. NOAA Technical Memorandum GLERL-130. NOAA, Great 
   Lakes Environmental Research Laboratory, Ann Arbor, MI, 31 pp. (2004). 
   ftp://ftp.glerl.noaa.gov/publications/tech_reports/glerl-130/

   Assel, R. A. A Laurentian Great Lakes ice cover climatology. Proceedings of 
   the 61st Annual Meeting of the Eastern Snow Conference, Portland, Maine, June 
   9-11, 2004. 2 pp. (2004). 
   http://www.glerl.noaa.gov/pubs/fulltext/2004/20040027.pdf

   Assel, R. A., F. H. Quinn, and C. E. Sellinger. Hydro-climatic factors of the 
   recent drop in Laurentian Great Lakes water levels. Bulletin of the American 
   Meteorological Society 85(8):1143-1151 (2004). 
   http://www.glerl.noaa.gov/pubs/fulltext/2004/20040017.pdf

   Assel, R. A., S. Drobot, and T. E. Croley, II. Improving 30-day Great Lakes 
   ice cover outlooks. Journal of Hydrometeorology 5(4):713-717 (2004). 
   http://www.glerl.noaa.gov/pubs/fulltext/2004/20040016.pdf

   Assel, R. A., S. Drobot, and T. E. CROLEY, II. Improving monthly Great Lakes 
   ice cover outlooks. NOAA Technical Memorandum GLERL-129. NOAA, Great Lakes 
   Environmental Research Laboratory, Ann Arbor, MI, 22 pp. (2004). 
   ftp://ftp.glerl.noaa.gov/publications/tech_reports/glerl-129/

   Assel, R. A. Lake Erie ice cover climatology -- basin averaged ice cover: 
   winters 1898-2002. NOAA Technical Memorandum GLERL-128. NOAA, Great Lakes 
   Environmental Research Laboratory, Ann Arbor, MI, 15 pp. (2004). 
   ftp://ftp.glerl.noaa.gov/publications/tech_reports/glerl-128/

End_Group
Group: Summary

   Ice concentration grids for 1960 to 1979 are archived for half-month periods, 
   generally December through April. Data values are coded to the nearest ten 
   percent for each 5 x 5 km grid square. A file of geographic coordinates of the 
   center of each grid cell is included for each lake. A file of ice climatology 
   data for each lake includes average, median and mode for each grid cell for 
   each half-month period. Over 2800 charts were digitized to produce this data 
   base. Charts were prepared by NOAA/National Weather Service Forecast Office in 
   Ann Arbor, U.S. Coast Guard Ninth District Ice Navigation Center in Cleveland, 
   and by the Canadian Atmospheric Environment Service. Chart data sources 
   include NOAA satellite, U.S. Coast Guard side-looking airborne radar (SLAR) 
   and aerial visual reconnaissance, Canadian Coast Guard SLAR and aerial visual 
   reconnaissance, and Atmospheric Environment Service analyses. The data were 
   given to NSIDC by the NOAA Great Lakes Environmental Research Laboratory 
   (GLERL), Ann Arbor, MI.

End_Group
Group: Related_URL
   Group: URL_Content_Type
      Type: VIEW PROJECT HOME PAGE
   End_Group
   URL: http://www.glerl.noaa.gov/data/ice/atlas/
   Description: NOAA Great Lakes Ice Atlas
End_Group
Group: Related_URL
   Group: URL_Content_Type
      Type: VIEW RELATED INFORMATION
   End_Group
   URL: http://nsidc.org/data/G00804.html
   Description: Access to GLERL information and data
End_Group
IDN_Node: USA/NOAA
Metadata_Name: CEOS IDN DIF
Metadata_Version: 9.7
DIF_Creation_Date: 1983-01-01
Last_DIF_Revision_Date: 2013-03-07
DIF_Revision_History:  Added DOI