BYU Daily Browse Images of QuikSCAT Sigma-0 Measurements  View Catalog Page Entry ID
NSIDC-0256
Summary
The SeaWinds on QuikSCAT scatterometer provides normalized radar cross section (sigma-0) measurements of the Earth's surface. While originally designed for wind observation, scatterometers have proven useful in a variety of land and ice studies. To aid in the selection of regions and time periods for study, Brigham Young University (BYU) has produced this global sigma-0 browse product. This product consists of spatial and temporal averages of QuikSCAT Level 1B sigma-0 values over one-day periods from 19 July 1999 to the present.
This data set consists of sigma-0 browse images for the entire globe, the northern hemisphere, and the southern hemisphere. The global images are rectangular latitude/longitude grids covering the entire globe with a resolution of 5 pixels/deg, or about 22.5 km/pixel at the equator. It suits mid-latitude regions but distorts polar regions. Hence, separate hemispheric products are created for high-latitude regions. Those images are polar stereographic projections using a 70 degree reference latitude with a nominal grid size of about 22.5 km. The polar views include only measurements above a high latitude cutoff of 52 degrees. These data are available via FTP, on CD-R and on 8 mm tape.
Geographic Coverage
Spatial Coordinates:
N: 90°
S: -90°
E: 180°
W: -180°
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Data Set Citation
Dataset Creator: David G. Long
Dataset Title: BYU Daily Browse Images of QuikSCAT Sigma-0 Measurements
Dataset Release Date: 2000-01-01
Dataset Release Place: Pasadena, California USA
Dataset Publisher: JPL: Jet Propulsion Laboratory
Online Resource: http://nsidc.org/data/nsidc-0256.html
Temporal Coverage
Start Date: 1999-01-19
Data Resolution
Latitude Resolution: 22.5 km
Longitude Resolution: 22.5 km
Temporal Resolution: 1 day
Location Keywords
- GEOGRAPHIC REGION GLOBAL
- GEOGRAPHIC REGION POLAR
Science Keywords
- Spectral/Engineering Radar Radar Backscatter
- Spectral/Engineering Radar Sigma Naught
Platform
Instrument
Data Set Progress
in work
Data Center
National Snow and Ice Data Center
Data Center URL: http://nsidc.org
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
Distribution
Distribution Media: 8-mm Tape
Distribution Format: SIR
Distribution Media: CD-ROM
Distribution Format: SIR
Distribution Media: FTP
Distribution Format: SIR
Personnel
David G. Long
Role: INVESTIGATOR
Contact Address:
- Brigham Young University
- Microwave Earth Remote Sensing (MERS) Laboratory
- 459 Clyde Building
City: Provo
Province or State: UT
Postal Code: 84602
Country: USA
Related URL
VIEW PROJECT HOME PAGE
Data set description
Metadata Name and Version
Metadata Name: CEOS IDN DIF
Metadata Version: 9.7
Creation and Review Dates
DIF Creation Date: 2000-01-01
Last DIF Revision Date: 2012-07-12
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