[Keyword='AEROSOL INDEX']
|
TOMS/Earth Probe Ground Station Overpass Data V008 (TOMSEPOVP) at GES DISC
Entry ID:
GES_DISC_TOMSEPOVP_V008
Summary
Abstract:
This data product contains TOMS/Earth Probe Ground Station Overpass Data Version 8 in ASCII format. The overpass data files contain the data derived from the best-matched TOMS field-of-view (FOV) to a site for every day the TOMS instrument was operational.
Four TOMS instruments were successfully flown on the following satellites: Nimbus-7 (Nov. 1978 - May 1993), Meteor-3 (Aug. 1991 - Dec. 1994), ...  Purpose: This product can be used to compare TOMS with ground station data.
Related URL
Geographic Coverage
(Click for Interactive Map)
Spatial coordinates
Data Set Citation
Dataset Originator/Creator:
TOMS Science Team
Dataset Title:
TOMS/Earth Probe Ground Station Overpass Data
Dataset Release Date:
2007
Dataset Release Place:
Greenbelt, MD, USA
Dataset Publisher:
NASA Goddard Earth Science Data and Information Services Center
Version:
008
Data Presentation Form:
Digital Science Data
Online Resource:
http://disc.gsfc.nasa.gov/
Temporal Coverage
Start Date:
1996-07-22
Stop Date:
2005-12-12
Location Keywords
Data Resolution
Temporal Resolution:
Daily
Science Keywords
ISO Topic Category
Platform
Instrument
Project
Quality
WARNING: EP TOMS started experiencing calibration problem since 2002. For data beginning in year 2000, the calibration has been stabilized relative to NOAA-16 SBUV/2 in the equatorial zone. Because of continuing changes in the optical properties of the front scan mirror that are not well understood, data are showing a latitude dependent error that cannot be corrected by a simple calibration correction. The calibration appears to be stable near the equator. But by 50 degrees latitude, there is now a -2% to -4% error in TOMS, a bit larger in the northern hemisphere than in the southern hemisphere. Because of this error, data since 2002 should NOT be used for trend analysis
Use Constraints
EP TOMS started experiencing calibration problem since 2002. Because of the continuing changes in the optical properties of the front scan mirror that are not well understood, data started showing a latitude dependent error that cannot be corrected by a simple calibration correction. The calibration appears to be stable near the equator. But by 50 degrees latitude, there is now a -2% to -4% error in TOMS, a bit larger in the northern hemisphere than in the southern hemisphere.
Earth Probe TOMS data since 2002 should NOT be used for trend analysis because of the calibration problem. Ancillary Keywords
Data Set Progress
COMPLETE
Data Center
Distribution
Distribution Media:
FTP/HTTP
Distribution Size:
120 MB
Distribution Format:
ASCII
Fees:
Free
Personnel
Role:
INVESTIGATOR
Phone:
301-614-5731
Fax:
301-614-5903
Email:
Pawan.K.Bhartia at nasa.gov
Contact Address:
NASA
Goddard Space Flight Center
Mailstop 613.3
City:
Greenbelt
Province or State:
MD
Postal Code:
20771
Country:
USA
Publications/References
Eck, T. F., Bhartia, P. K., Kerr, J. B., Satellite estimation of spectral UVB irradiance using TOMS derived total ozone and UV reflectivity, Geophy. Res. Letters 1995, 22, 611-614
Herman, J.R., et al., "Meteor-3 Total Ozone Mapping Spectrometer (TOMS) Data Products User's Guide." NASA reference publication 1393, 1996. McPeters, R.D., et al., "Earth-Probe Total Ozone ... Extended Metadata Properties
(Click to view more)
Creation and Review Dates
DIF Creation Date:
2011-02-23
Last DIF Revision Date:
2012-12-13
|
|||||||||||||||||||
