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Satellite/rocket ozone comparisons at Natal, BrazilComparisons are presented of satellite, rocket, and balloon ozone profiles near Natal, Brazil (5.9 deg S, 35.2 deg W). The low variability of stratospheric ozone at Natal during March and April of 1985 has allowed intercomparisons of reasonably large data sets, rather than a small number of paired satellite/in situ comparisons. There are sharp differences between the profile from the SBUV instrument on Nimbus 7 and the in situ measurements. These results support the conclusions of the NASA Ozone Trends Panel that there is an instrumental cause for the very large changes in upper stratospheric ozone seen by SBUV. Along with other comparisons, these results are being used in a reassessment of the SBUV instrument and its data reduction procedures. The agreement between the ozone profiles from the SAGE II instrument on the ERBS satellite and the rocket values is excellent over the full range of comparisons. Both SAGE II and ROCOZ-A must convert from altitude to pressure for intercomparisons with SME and with SBUV-type instruments. The conversion between pressure and altitude is as important as the ozone measurements, especially in the upper stratosphere where the scale height for ozone is approximately half that for pressure.
Document ID
19920058322
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Barnes, Robert A.
(Chemal, Inc. Wallops Island, VA, United States)
Mccormick, M. P.
(NASA Langley Research Center Hampton, VA, United States)
Hudson, Robert D.
(NASA Langley Research Center Hampton, VA, United States)
Parsons, Chester L.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
August 15, 2013
Publication Date
January 1, 1989
Subject Category
Geophysics
Accession Number
92A40946
Distribution Limits
Public
Copyright
Other

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