Liu X., K. Chance, C.
E. Sioris, R. J. D. Spurr, T. P. Kurosu, R. V. Martin, M. J. Newchurch
(2005), Ozone profile and tropospheric ozone retrievals from the
Global Ozone Monitoring Experiment: Algorithm description and validation,
J. Geophys. Res., 110, D20307, doi:10.1029/2005JD006240. Full
GOME tropospheric column ozone is compared
with total column ozone from Earth-Probe TOMS, Dobson/Brewer total column
ozone, and ozonesonde tropospheric column ozone at 33 WOUDC stations
between the years of 1996-1999 in order to explain and validate the GOME
Figure 8. (left) Time series
of retrieved (purple), a priori (yellow), ground-based (green), and
TOMS (red) total column ozone at seven selected stations. (right) Time
series of the differences of retrievals relative to a priori, ground-based,
and TOMS total ozone (GOME-others).
The above image shows a GOME underestimation
of total column ozone of about 10-12 DU when compared with TOMS and Dobson/Brewer
measurements. This underestimation may be due to the large variation
in surface albedo with changing seasons and the difficulty in discriminating
between clouds and surface snow in the retrievals.