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NOAA Ozone

The processing of this product was terminated on November 2013.

NOAA/TOVS OZONE 100E-180E 60N-10N (FEB 1-10, 2006)
NOAA/TOVS OZONE (100E-180E, 60N-10N)
(Februrary 1-10, 2006)
(Click to enlarge)

Outline

The estimation of NOAA Total Ozone Amount (TOA) with High Resolution Infrared Sounder (HIRS) data is based on a regression method. The area of TOA is from 60° N to 10° N and from 100° E to 180° E with one-degree square resolution.

Data Processing Method

The technique for the estimating TOA is based on a regression method using HIRS channel 9 for the spectral band of ozone absorption with the radiance and brightness temperatures of four HIRS channels, i.e., channels 1, 2, 3 and 8. The regression coefficients are determined using the co-located data of satellite observations and Dobson measurements of the direct sun observation at four JMA surface observation stations in Sapporo, Tateno and Naha.
The co-located data have been accumulated on the basis of distance within 50 km and time lag within one hour since 1991. Regression coefficients are established for every month and are renewed once a year, taking into account the seasonal variations of TOA. Prior to TOA calculation, HIRS data with high-level clouds are excluded using AVHRR minimum brightness temperature in the HIRS Instantaneous Field of View (IFOV) and the Numerical Weather Prediction (NWP) data of JMA. The daily mean values in the area of every degree of latitude and longitude are sent to JMA Headquarters on a monthly basis.

References

  • Aoki, T., 1982, An Improved Method to Retrieve the Clear Radiance from Partially Cloudy Spots of Radiometer on Board Satellite, J.Meteor.Soc.Japan, 60, 758-764.
  • Kidwell, Katherine B. (Editor), June 1995, NOAA Polar Orbiter Data Users Guide, NOAA/ NESDIS, NCDC SDSD.
  • Planet, Walter G. (Editor), revised October 1988, Data Extraction and Calibration of TIROS-N/ NOAA Radiometers, NOAA Technical, Memorandum NESS 107 Revision 1, 130pp.
  • Schwalb, Arthur, February 1982, Modified Version of the TIROS-N/NOAA A-G Satellite Series (NOAA E-J). Advanced TIROS-N (ATN), NOAA Technical Memorandum NESS 116, 23pp.
  • NOAA KLM USER'S GUIDE Table of Contents: http://www2.ncdc.noaa.gov/docs/klm/

Remarks

Last updated 2 March 2009 (E)