Entry_ID: ARCSS166
Entry_Title: Time Series of Seasonally Frozen Ground Depth in the Russian Arctic, 1930-1990
Group: Data_Set_Citation
   Dataset_Creator: Tingjun Zhang
   Dataset_Title: Time Series of Seasonally Frozen Ground Depth in the Russian Arctic, 1930-1990
   Dataset_Release_Date: 2006-05-25
   Dataset_Release_Place: Boulder, Colorado USA
   Dataset_Publisher: NSIDC: National Snow and Ice Data Center
   Online_Resource: http://nsidc.org/data/arcss166.html
End_Group
Group: Personnel
   Role: Investigator
   First_Name: Tingjun
   Middle_Name: Z
   Last_Name: Zhang
   Email: nsidc@nsidc.org
   Phone: 1 303 492-6199 x
   Fax: 1 303  492-2359 x
   Group: Contact_Address
      Address: University of Colorado
      Address: National Snow and Ice Data Center/World Data Center for Glaciology
      Address: UCB449
      City: Boulder
      Province_or_State: Colorado
      Postal_Code: 80309-0449
      Country: USA
   End_Group
End_Group
Group: Personnel
   Role: Investigator
   First_Name: R.
   Middle_Name: G.
   Last_Name: Barry
   Group: Contact_Address
      Address: University of Colorado
      Address: National Snow and Ice Data Center/World Data Center for Glaciology
      Address: 449 UCB
      City: Boulder
      Province_or_State: CO
      Postal_Code: 80309-0449
      Country: USA
   End_Group
End_Group
Group: Personnel
   Role: Investigator
   First_Name: Oliver
   Middle_Name: W.
   Last_Name: Frauenfeld
   Group: Contact_Address
      Address: University of Colorado
      Address: National Snow and Ice Data Center/World Data Center for Glaciology
      Address: UCB 449
      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: Frozen Ground
   Variable_Level_1: Seasonally Frozen Ground
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Land Surface
   Term: Frozen Ground
   Variable_Level_1: Seasonally Frozen Ground
End_Group
ISO_Topic_Category: Climatology/Meteorology/Atmosphere
ISO_Topic_Category: Environment
Keyword: ARC-0229766
Keyword: ARCSS
Keyword: arcss166
Keyword: ARCSS Data Coordination Center
Keyword: Arctic
Keyword: Arctic Soils
Keyword: Frozen Ground
Keyword: OPP-0229766
Keyword: Russia
Sensor_Name: THERMISTORS
Sensor_Name: THERMOMETERS
Source_Name: GROUND STATIONS
Group: Temporal_Coverage
   Start_Date: 1930-01-01
   Stop_Date: 1990-12-31
End_Group
Data_Set_Progress: complete
Group: Spatial_Coverage
   Southernmost_Latitude: 42.7
   Northernmost_Latitude: 68.9
   Westernmost_Longitude: 30.8
   Easternmost_Longitude: 180
   Minimum_Altitude: 1 meters
   Maximum_Altitude: 1758 meters
End_Group
Group: Location
   Location_Category: CONTINENT
   Location_Type: EUROPE
   Location_Subregion1: EASTERN EUROPE
   Location_Subregion2: RUSSIA
End_Group
Group: Location
   Location_Category: GEOGRAPHIC REGION
   Location_Type: ARCTIC
End_Group
Group: Data_Resolution
   Temporal_Resolution: 1 mon
End_Group
Data_Set_Language: English
Originating_Center: NSIDC_ARCSS
Group: Data_Center
   Data_Center_Name: NSIDC_ARCSS > NSIDC Arctic System Science Data Coordination Center
   Data_Center_URL: http://nsidc.org/arcss/
   Group: Personnel
      Role: Data Center Contact
      First_Name: NSIDC ARCSS
      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: 39 KB
   Distribution_Format: Microsoft Excel
End_Group
Group: Distribution
   Distribution_Media: FTP
   Distribution_Size: 423 KB
   Distribution_Format: ASCII Text
End_Group
Group: Distribution
   Distribution_Media: FTP
   Distribution_Size: 53 KB
   Distribution_Format: GIF
End_Group
Group: Reference

   Frauenfeld, O. W., T. Zhang, R. G. Barry, and D. Gilichinsky. 2004. 
   Interdecadal changes in seasonal freeze and thaw depths in Russia. Journal of 
   Geophysical Research 109, D05101. doi:10.1029/2003JD004245.

   Gilichinsky, D. A., R. G. Barry, S. S. Bykhovets, et. al. 1998. A century of 
   temperature observations of soil climate: Methods of analysis and long-term 
   trends, in Proceedings of 7th International Conference on Permafrost, edited 
   by A. Lewkowicz and M. Allard, pp. 313-317, Cent. d'Etudes Nordiques, Univ. 
   Laval, Ste-Foy, Canada. 

   State Committee of the U.S.S.R. for Hydrometeorology and Environmental 
   Control. 1985. Instructions for meteorological stations and posts, in 
   Meteorological Observations at Stations, vol. 3, part 1, Gidrometeoizdat, 
   Leningrad.

   Zhang, T., O. W. Frauenfeld, M. C. Serreze, et. al. 2005. Spatial and temporal 
   variability in active layer thickness over the Russian Arctic Drainage Basin. 
   Journal of Geophysical Research 100, D16101. doi:10.1029/2004JD005642. 

   Zhang, T., R. G. Barry, D. Gilichinsky, et. al. 2001. An amplified signal of 
   climatic change in soil temperatures during the last century at Irkutsk, 
   Russia. Climate Change 49, 41-76.

End_Group
Group: Summary

   This data set consists of seasonally frozen ground depth measurements based on 
   soil temperatures in the Russian Arctic. Seasonal freezing and thawing 
   processes in cold regions play a major role in ecosystem diversity, 
   productivity, and the Arctic hydrological system. Long-term changes in 
   seasonal freeze and thaw depths are also important indicators of climate 
   change. 

   Investigators collected data from 211 ground-based stations. The record 
   extends from 1930 to 1990 and includes seasonal freeze depths derived from 
   soil temperature data that are averaged yearly. Data are in tab-delimited 
   ASCII text format 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/arcss160.html
   Description: Time Series of Active Layer Thickness in the Russian Arctic, 1930-1990
End_Group
Metadata_Name: CEOS IDN DIF
Metadata_Version: 9.7
DIF_Creation_Date: 2006-05-25
Last_DIF_Revision_Date: 2011-09-02
DIF_Revision_History: Fixed the data citation.