Entry_ID: NSIDC-0165
Entry_Title: CLPX-Ground: Ground Based Passive Microwave Radiometer (GBMR-7) Data
Group: Data_Set_Citation
   Dataset_Creator: Graf, T., T. Koike, H. Fujii, M. Brodzik, and R. Armstrong. 
   Dataset_Title: CLPX-Ground: Ground Based Passive Microwave Radiometer (GBMR-7) Data
   Dataset_Release_Date: 2003-10-13
   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-0165.html
End_Group
Group: Personnel
   Role: Investigator
   First_Name: Tobias
   Last_Name: Graf
   Email: tgraf@hydra.t.u-tokyo.ac.jp
   Phone: 81  (0)3 5841 6107 
   Fax: 81   (0)3 5481 6130 
   Group: Contact_Address
      Address: University of Tokyo
      Address: Department of Civil Engineering, River & Environmental Engineering
      Address: Department of Civil Engineering, River & Environmental Engineering,
      Address: Laboratory 7-3-1,
      Address: University of Tokyo
      Address: Hongo, 
      Address: Bunkyo-ku
      City: Tokyo
      Postal_Code: 113-8656
      Country: Japan
   End_Group
End_Group
Group: Personnel
   Role: Investigator
   First_Name: Tobias
   Last_Name: Graf
   Email: tgraf@hydra.t.u-tokyo.ac.jp
   Phone: 81  (0)3 5841 6107 
   Fax: 81   (0)3 5481 6130 
   Group: Contact_Address
      Address: University of Tokyo
      Address: Department of Civil Engineering, River & Environmental Engineering
      Address: Department of Civil Engineering, River & Environmental Engineering,
      Address: Laboratory 7-3-1,
      Address: University of Tokyo
      Address: Hongo, 
      Address: Bunkyo-ku
      City: Tokyo
      Postal_Code: 113-8656
      Country: Japan
   End_Group
End_Group
Group: Personnel
   Role: Investigator
   First_Name: Toshio
   Last_Name: Koike
End_Group
Group: Personnel
   Role: Investigator
   First_Name: Hideyuki
   Last_Name: Fujii
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: 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: 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: Atmosphere
   Term: Atmospheric Radiation
   Variable_Level_1: Incoming Solar Radiation
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Atmosphere
   Term: Atmospheric Radiation
   Variable_Level_1: Longwave Radiation
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Atmosphere
   Term: Atmospheric Radiation
   Variable_Level_1: Shortwave Radiation
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Atmosphere
   Term: Atmospheric Temperature
   Variable_Level_1: Air Temperature
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Atmosphere
   Term: Atmospheric Water Vapor
   Variable_Level_1: Humidity
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Atmosphere
   Term: Atmospheric Winds
   Variable_Level_1: Surface Winds
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Atmosphere
   Term: Precipitation
   Variable_Level_1: Precipitation Amount
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Atmosphere
   Term: Precipitation
   Variable_Level_1: Snow
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 Density
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Cryosphere
   Term: Snow/Ice
   Variable_Level_1: Snow Depth
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Cryosphere
   Term: Snow/Ice
   Variable_Level_1: Snow/Ice Temperature
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Cryosphere
   Term: Snow/Ice
   Variable_Level_1: Snow Melt
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Cryosphere
   Term: Snow/Ice
   Variable_Level_1: Snow Stratigraphy
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: Land Surface
   Term: Soils
   Variable_Level_1: Soil Moisture/Water Content
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Spectral/Engineering
   Term: Microwave
   Variable_Level_1: Brightness Temperature
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 Density
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Terrestrial Hydrosphere
   Term: Snow/Ice
   Variable_Level_1: Snow Depth
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Terrestrial Hydrosphere
   Term: Snow/Ice
   Variable_Level_1: Snow/Ice Temperature
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Terrestrial Hydrosphere
   Term: Snow/Ice
   Variable_Level_1: Snow Melt
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Terrestrial Hydrosphere
   Term: Snow/Ice
   Variable_Level_1: Snow Stratigraphy
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Terrestrial Hydrosphere
   Term: Snow/Ice
   Variable_Level_1: Snow Water Equivalent
End_Group
Keyword: Air Temperature
Keyword: Incoming Shortwave Radiation
Keyword: Longwave Downward Radiation
Keyword: Near-surface Air Temperatures
Keyword: Passive Microwave
Keyword: Passive Microwave Brightness Temperatures
Keyword: Passive Microwave Data
Keyword: Passive Microwave Radiation
Keyword: Precipitation
Keyword: Precipitation Amount
Keyword: Relative Humidity
Keyword: Scanning Multichannel Microwave Radiometer
Keyword: Snow Depth
Keyword: snow grain size
Keyword: Snowpack
Keyword: Snow Pits
Keyword: Snow Properties
Keyword: Snow Surface Temperature
Keyword: Wind Direction
Keyword: Wind Speed
Sensor_Name: MSR > Microwave Scanning Radiometer
Source_Name: GROUND-BASED OBSERVATIONS
Group: Temporal_Coverage
   Start_Date: 2003-03-25
   Stop_Date: 2003-03-25
End_Group
Group: Temporal_Coverage
   Start_Date: 2003-02-18
   Stop_Date: 2003-02-26
End_Group
Group: Temporal_Coverage
   Start_Date: 2002-12-10
   Stop_Date: 2002-12-13
End_Group
Group: Temporal_Coverage
   Start_Date: 2002-10-01
   Stop_Date: 2003-03-29
End_Group
Group: Temporal_Coverage
   Start_Date: 2002-01-19
   Stop_Date: 2002-01-21
End_Group
Data_Set_Progress: in work
Group: Spatial_Coverage
   Southernmost_Latitude: 39.95
   Northernmost_Latitude: 39.95
   Westernmost_Longitude: -105.9
   Easternmost_Longitude: -105.9
End_Group
Group: Location
   Location_Category: CONTINENT
   Location_Type: NORTH AMERICA
End_Group
Group: Location
   Location_Category: CONTINENT
   Location_Type: NORTH AMERICA
   Location_Subregion1: UNITED STATES OF AMERICA
End_Group
Group: Location
   Location_Category: GEOGRAPHIC REGION
   Location_Type: NORTHERN HEMISPHERE
End_Group
Project: CLPX > Cold Land Processes Field Experiment
Quality: Data has undergone QC.
Access_Constraints: Accessible only by CLPX approved investigators until October 2004.
Data_Set_Language: English
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: 5 KB
   Distribution_Format: PNG
End_Group
Group: Distribution
   Distribution_Media: FTP
   Distribution_Size: 1 - 3789 KB
   Distribution_Format: ASCII Text (.txt)
End_Group
Group: Distribution
   Distribution_Media: FTP
   Distribution_Size: 43 - 453 KB
   Distribution_Format: Joint Photographic Expert Group (JPEG) (.jpg)
End_Group
Group: Reference

   Kazama, S, T. Rose, and R. Zimmerman.1999. 'A Precision Autocalibrating 7ch 
   Radiometer for Environmental Research Applications' Journal of The Remote 
   Sensing Society of Japan, Vol. 19, No. 3, pp. 37-45.

End_Group
Group: Summary

   This data set contains brightness temperature observations of the snow cover 
   at the Local Scale Observation Site (LSOS) of the Cold Land Processes Field 
   Experiment (CLPX) in Fraser, Colorado, USA. Measurements were taken at 18.7, 
   23.8, 36.5, and 89 GHz (vertical/horizontal polarization) using a ground-based 
   passive microwave radiometer (GBMR-7). Three different measurement techniques 
   were used: 1) scans of undisturbed total snow cover, 2) angular scans with 
   varying incidence angles (30 to 70 degrees), and 3) scans of bare soil and new 
   snow accumulation. In addition to observed snow brightness temperatures, the 
   data set includes snow pit characteristics (density, snow temperature, 
   stratigraphy, snow crystal size, soil moisture) and meteorological forcing 
   data observations (wind speed, wind direction, air temperature, relative 
   humidity, downward long-wave radiation, downward short-wave radiation and 
   precipitation). Snow cover brightness measurements were made 19-21 January 
   2002, 10-13 December 2002, 18-26 February 2003 and 25 March 2003. Snow pit and 
   meteorological measurements were made between 1 October 2002 and 29 March 2003.

   The NASA CLPX is a multi-sensor, multi-scale experiment that focuses on 
   extending a local-scale understanding of water fluxes, storage, and 
   transformations to regional and global scales. Within a framework of nested 
   study areas in the central Rocky Mountains of the western United States, 
   ranging from 1-ha to 160,000 km2, intensive ground, airborne, and 
   spaceborne observations are collected. Data collection focuses on two seasons: 
   mid-winter, when conditions are generally frozen and dry, and early spring, a 
   transitional period when both frozen and thawed, dry and wet conditions are 
   widespread.

End_Group
Group: Related_URL
   Group: URL_Content_Type
      Type: VIEW PROJECT HOME PAGE
   End_Group
   URL: http://nsidc.org/data/clpx
   Description: CLPX Site
End_Group
Group: Related_URL
   Group: URL_Content_Type
      Type: VIEW PROJECT HOME PAGE
   End_Group
   URL: http://nsidc.org/forms/nsidc0112.html
   Description: Register as a CLPX user
End_Group
Metadata_Name: CEOS IDN DIF
Metadata_Version: 9.7
DIF_Creation_Date: 2003-10-13
Last_DIF_Revision_Date: 2013-07-19
DIF_Revision_History:  updated creators