Earth Radiation Budget Experiment (ERBE) S-4G Scanner (SC) 2.5 degree nested to 5 degree Regional AveragesEntry ID: ERBE_S4G_SC_NEST5
Abstract: ERBE_S4G_SC_NEST5 data set contains Earth Radiation Budget Experiment (ERBE) S-4G Scanner (SC) 2.5 degrees nested to 5 degrees Regional Averages in Hierarchical Data Format.
The Earth Radiation Budget Experiment (ERBE) is a multi-satellite system designed to measure the Earth's radiation budget. The ERBE instruments fly on a mid-inclination National Aeronautics and Space Administration (NASA) ... Earth Radiation Budget Satellite (ERBS) and two sun-synchronous National Oceanic and Atmospheric Administration (NOAA) satellites, NOAA-9 and NOAA-10. The NOAA-9 and NOAA-10 provide global coverage and the ERBS provides coverage between 67.5 degrees north and south latitude. Each satellite carries both a scanner and a nonscanner instrument package.
The scanner instrument package contains three detectors to measure shortwave (0.2 to 5 microns), longwave (5 to 50 microns) and total waveband radiation (.2 to 50 microns). Each detector normally scans the Earth perpendicular to the satellite groundtrack from horizon-to-horizon. The detectors are thermistors which use space views on every scan as a reference point to guard against drift. They are located at the focal point of a f/1.84 Cassegrain telescope, whose aluminum-coated mirrors have been overcoated to enhance ultraviolet reflectivity. The total channel has no filter and so absorbs all wavelengths. The shortwave channel has a fused silica filter which transmits only shortwave radiation. The longwave channel has a multilayer filter on a diamond substrate to reject shortwave energy and accept longwave. To enhance the spectral flatness of the detectors, each thermistor chip is coated with a thin layer of black paint. The effective field of view of the scanner is 3 degrees.
The ERBE S-4G product contains averages of radiant flux and albedo on regional, zonal, and global scales. The data for the S-4G product are arranged by parameter values. The various combinations of the satellites reflect the actual duration of the scanners.
Data Set Citation
Dataset Originator/Creator: Barstrom, B.R.
Dataset Title: ERBE S-4G Scanner (SC) 2.5 degree nested to 5 degree Regional Averages in Hierarchical Data Format
Dataset Release Place: Hampton, VA
Dataset Publisher: Langley Research CenterOnline Resource: https://eosweb.larc.nasa.gov/project/erbe/erbe_table
Start Date: 1984-11-01Stop Date: 1990-02-28
Latitude Resolution: 2.5 degrees
Longitude Resolution: 2.5 degrees
Horizontal Resolution Range: 250 km - < 500 km or approximately 2.5 degrees - < 5.0 degrees
ISO Topic Category
Data Set Progress
Distribution Media: varies
Distribution Format: HDF
Phone: (757) 864-5676
Fax: (757) 864-7996
Email: b.r.barkstrom at larc.nasa.gov
Atmospheric Sciences Research, Building 1250 Mail Stop 420 21 Langley Boulevard NASA Langley Research Center
Province or State: VA
Postal Code: 23681-2199
Role: TECHNICAL CONTACT
Email: takmeng.wong at nasa.gov
NASA Langley Reseach Center
Province or State: VA
Postal Code: 23681-2199
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Creation and Review Dates
DIF Creation Date: 2001-05-21
Last DIF Revision Date: 2014-04-07