Pk. Bhartia et al., ALGORITHM FOR THE ESTIMATION OF VERTICAL OZONE PROFILES FROM THE BACKSCATTERED ULTRAVIOLET TECHNIQUE, JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 101(D13), 1996, pp. 18793-18806
An implementation of the optimal estimation scheme ro obtain vertical
ozone profiles from satellite measurements of backscattered solar ultr
aviolet (buv) radiation is described. This algorithm (Version 6.0) has
been used to produce a 15-year data set of global ozone profiles from
Nimbus 7 SBUV, NOAA 11 SBUV/2, and Space Shuttle SSBUV instruments. A
detailed discussion of the information content of the measurement is
presented. Using high vertical resolution ozone profiles from the SAGE
II experiment as ''truth'' profiles, it is shown that the buv techniq
ue can capture short-term variabilities of ozone in 5-km vertical laye
rs, between 0.3 mbar and 100 mbar, with a precision of 5-15%. However,
outside the 1-20 mbar range, buv-derived results are heavily influenc
ed by a priori assumptions. To minimize this influence, it is recommen
ded that the studies of long-term trends using buv data be restricted
to 1-20 mbar range. Outside this range, only the column amounts of ozo
ne between 20 mbar and surface, and above 1 mbar, can be considered re
latively free of a priori assumptions.