Polar Pathfinder Sampler: AVHRR, SMMR-SSM/I, and TOVS Samples and Combined Time Series View Catalog Page Entry ID
NSIDC-0069
Summary
Notice to Users: Distribution of this data set will be discontinued by 31 December 2009, or earlier, should user requests for the Polar Pathfinder Sampler CD-ROM exceed our supply before that date.
The AVHRR, SMMR-SSM/I and TOVS Polar Pathfinder research teams collaborated to make it as easy as possible to use Polar Pathfinder data sets together by employing a common projection, namely the NSIDC Equal-Area Scalable Earth-Grid (EASE-Grid), and validation methods to develop consistently processed data sets that are easy to combine, compare and contrast. This CD-ROM includes sample data, time-series visualizations, and browse products, for temporal and spatial subsets of the AVHRR, SMMR-SSM/I and TOVS data sets, to illustrate the types of products available for the various data sets.
AVHRR products for both hemispheres, at 1.25 and 5 km resolutions, include calibrated channel data, surface broadband albedo, surface temperature, and ancillary data so that users can apply algorithms of their choice to calculate albedo and surface temperature. To conserve space, the CD-ROM includes 1.25 km AVHRR time-series visualizations, rather than raw data; and 5 km AVHRR sample data (for 8 September 1997), movies and browse images. SMMR-SSM/I parameters, that can be derived from global brightness temperatures, include snow water equivalent, snow extent, seasonal sea ice concentrations, location of multiyear ice, ocean wind speed, cloud liquid water over oceans and water vapor over oceans. The CD-ROM contains a sample data set comprising selected SSM/I brightness temperature data and time files for 8 September 1997 (the same day as in the 5 km AVHRR data, to facilitate comparisons) in each of three projections: Northern and Southern Hemispheres and a global projection. TOVS parameters derived from arctic radiances include atmospheric temperature profiles, water vapor, surface temperature, total effective cloud fraction, cloud top pressure and temperature, turning angle between geostrophic wind and surface stress over ice, emissivity, boundary layer stratification and geostrophic drag coefficient. The CD-ROM includes sample TOVS products for four selected dates in 1988.
The P-Cube is a multidimensional structure combining arctic SSM/I, AVHRR and TOVS data, all mapped to a 100 km resolution EASE-Grid, thereby facilitating study of polar processes and interactions among them using data from multiple sensors. The current prototype version of the P-Cube includes the most important parameters from the three Polar Pathfinders noted above. The Polar Pathfinder Sampler CD-ROM is currently the only source of the P-Cube data; temporal coverage extends from 1 January 1988 to 31 December 1989.
All data at the original resolution are now available. See NOAA/NASA Polar Pathfinder Data or contact User Services for more information.
Data Set Citation
Dataset Creator: NSIDC Dataset Title: Polar Pathfinder Sampler: AVHRR, SMMR-SSM/I, & TOVS Samples and Combined Time Series Dataset Release Date: 1999-01-01 Dataset Release Place: Boulder, Colorado USA Dataset Publisher: National Snow and Ice Data Center (NSIDC) Online Resource: http://nsidc.org/data/nsidc-0069.html
Dataset Creator: A. Schweiger, C. Fowler, J. Key, J. Maslanik, J. Francis, R. Armstrong, M.J. Brodzik Dataset Title: P-Cube: A Multisensor Data Set for Polar Climate Research. Dataset Series Name: Proceedings of the Fifth Conference on Polar Meteorology and Oceanography Dataset Publisher: American Meteorological Society
Location Keywords
- Geographic Region
Arctic
- Geographic Region
Polar
Science Keywords
- Atmosphere
Atmospheric Radiation Emissivity
- Atmosphere
Atmospheric Temperature Air Temperature
- Atmosphere
Atmospheric Temperature Skin Temperature
- Atmosphere
Atmospheric Water Vapor Precipitable Water
- Atmosphere
Atmospheric Winds Wind Stress GEOSTROPHIC DRAG COEFFICIENT
- Atmosphere
Atmospheric Winds Wind Stress TURNING ANGLE
- Atmosphere
Clouds Cloud Amount/Frequency EFFECTIVE CLOUD FRACTION
- Atmosphere
Clouds Cloud Top Pressure
- Atmosphere
Clouds Cloud Top Temperature
- Cryosphere
Sea Ice Sea Ice Concentration
- Cryosphere
Sea Ice Sea Ice Motion
- Cryosphere
Snow/Ice Albedo
- Cryosphere
Snow/Ice Snow/Ice Temperature
- Oceans
Sea Ice Sea Ice Concentration
- Oceans
Sea Ice Sea Ice Motion
- Spectral/Engineering
Infrared Wavelengths Infrared Imagery
- Spectral/Engineering
Infrared Wavelengths Thermal Infrared
- Spectral/Engineering
Microwave Brightness Temperature
- Spectral/Engineering
Visible Wavelengths Visible Imagery
- Terrestrial Hydrosphere
Snow/Ice Albedo
- Terrestrial Hydrosphere
Snow/Ice Snow/Ice Temperature
Ancillary Keywords
- Ancillary Data
- Arctic Radiances
- Atmospheric Temperature Profiles
- Boundary Layer Stratification
- Calibrated Channel Data
- Geostrophic Drag Coefficient
- Pathfinder
- Surface Broadband Albedo
- Surface Temperature
- Total Effective Cloud Fraction
- Climatology/Meteorology/Atmosphere
- Oceans
Platform
- DMSP
Defense Meteorological Satellite Program
- NIMBUS-7
- NOAA POES
NOAA Polar Orbiting Environmental Satellites
Instrument
- AVHRR
Advanced Very High Resolution Radiometer
- SMMR
Scanning Multichannel Microwave Radiometer
- SSM/I
Special Sensor Microwave/Imager
- TOVS
TIROS Operational Vertical Sounder
Project
- EOSDIS
Earth Observing System Data Information System
- ESIP
Earth Science Information Partners Program
- NOAA/NASA PATHFINDER
NOAA/NASA Pathfinder Program
Quality
Data quality and quality control varies among the various products on this CD-ROM. Please see the documentation on the CD-ROM for details of data quality and quality control.
Data Set Progress
COMPLETE
Data Center
National Snow and Ice Data Center Data Center URL: http://nsidc.org Data Set ID: NSIDC-0069
Data Center Personnel
Name: NSIDC User Services Phone: +1 (303) 492-6199 Fax: +1 (303) 492-2468 Email: nsidc@nsidc.org Contact Address: National Snow and Ice Data Center CIRES, 449 UCB University of Colorado City: Boulder Province or State: CO Postal Code: 80309-0449 Country: USA
NSIDC Distributed Active Archive Center Data Center URL: http://nsidc.org/daac/index.html Data Set ID: NSIDC-0069
Data Center Personnel
Name: NSIDC DAAC User Services Phone: +1 (303) 492-6199 Fax: +1 (303) 492-2468 Email: nsidc@nsidc.org Contact Address: National Snow and Ice Data Center CIRES, 449 UCB University of Colorado City: Boulder Province or State: CO Postal Code: 80309-0449 Country: USA
NSIDC National Oceanic and Atmospheric Administration Data Center URL: http://nsidc.org/noaa/ Data Set ID: NSIDC-0069
Data Center Personnel
Name: NSIDC NOAA User Services Phone: +1 (303) 492-6199 Fax: +1 (303) 492-2468 Email: nsidc@nsidc.org Contact Address: National Snow and Ice Data Center CIRES, 449 UCB University of Colorado City: Boulder Province or State: CO Postal Code: 80309-0449 Country: USA
Distribution
Distribution Media: CD-ROM Distribution Format: HDF, binary, HTML
Personnel
Richard Armstrong Role: INVESTIGATOR Phone: +1 (303)-492-6199 Fax: +1 (303)-492-2468 Email: rlax@nsidc.org Contact Address: National Snow and Ice Data Center CIRES 449 UCB University of Colorado City: Boulder Province or State: Colorado Postal Code: 80309-0449 Country: USA
William Emery Role: INVESTIGATOR Contact Address: Colorado Center for Astrodynamics Research University of Colorado City: Boulder Province or State: CO Postal Code: 80309-0431
Chuck Fowler Role: INVESTIGATOR Contact Address: Colorado Center for Astrodynamics Research University of Colorado City: Boulder Province or State: CO Postal Code: 80309-0431
JENNIFER A. FRANCIS Role: INVESTIGATOR Phone: 206-543-1254 Fax: 206-543-3521 Email: francis@apl.washington.edu Contact Address: Institute of Marine and Coastal Sciences Rutgers University New Brunswick, New Jersey USA
Terry Haran Role: INVESTIGATOR Contact Address: CIRES, 449 UCB University of Colorado City: Boulder Province or State: CO Postal Code: 80309-0449
Jeffrey Key Role: INVESTIGATOR Contact Address: Space Science and Engineering Center University of Wisconsin at Madison 1225 W. Dayton St. City: Madison Province or State: WI Postal Code: 53706
SIRI JODHA SINGH KHALSA Role: INVESTIGATOR Phone: 303-492-1445 Fax: 303-492-2468 Email: nsidc@kryos.colorado.edu Contact Address: National Snow and Ice Data Center CIRES, Campus Box 449 University of Colorado City: Boulder Province or State: CO Postal Code: 80309-0449
JIM MASLANIK Role: INVESTIGATOR Phone: (303) 492-6199 Fax: (303) 492-2468 Email: nsidc@kryos.colorado.edu Contact Address: National Snow and Ice Data Center CIRES, 449 UCB University of Colorado City: Boulder Province or State: CO Postal Code: 80309
Ted Scambos Role: INVESTIGATOR Email: scambos@nsidc.org Contact Address: National Snow and Ice Data Center CIRES, 449 UCB City: Boulder Province or State: CO Postal Code: 80309-0449
AXEL J. SCHWEIGER Role: INVESTIGATOR Phone: 206-543-1312 Fax: 206-543-3521 Email: axel@apl.washington.edu Contact Address: Applied Physics Laboratory University of Washington 1013 NE 40th Street City: Seattle Province or State: WA Postal Code: 98105-6698 Country: USA
NSIDC USER SERVICES Role: TECHNICAL CONTACT Phone: +1 (303) 492-6199 Fax: +1 (303) 492-2468 Email: nsidc@nsidc.org Contact Address: National Snow and Ice Data Center CIRES, 449 UCB University of Colorado City: Boulder Province or State: CO Postal Code: 80309-0449 Country: USA
Related URL
VIEW RELATED INFORMATION NOAA/NASA Polar Pathfinder Data
VIEW RELATED INFORMATION AVHRR Polar Pathfinder Twice-Daily 5 km EASE-Grid Composites
VIEW RELATED INFORMATION DMSP SSM/I Pathfinder Daily EASE-Grid Brightness Temperatures
VIEW RELATED INFORMATION AVHRR Polar Pathfinder Twice-Daily 25 km EASE-Grid Composites
VIEW RELATED INFORMATION Polar Pathfinder Daily 25 km EASE-Grid Sea Ice Motion Vectors
VIEW RELATED INFORMATION AVHRR Polar Pathfinder Twice-Daily 1.25 km EASE-Grid Composites
VIEW RELATED INFORMATION Nimbus-7 SMMR Pathfinder Daily EASE-Grid Brightness Temperatures
VIEW RELATED INFORMATION TOVS Pathfinder Path-P Daily and Monthly Polar Gridded Atmospheric Parameters
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Metadata Name and Version
Metadata Name: CEOS IDN DIF Metadata Version: 9.7
Creation and Review Dates
DIF Creation Date: 1999-01-01 Last DIF Revision Date: 2009-02-19
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