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@ARTICLE{Tarasick:890256,
author = {Tarasick, David W. and Smit, Herman G. J. and Thompson,
Anne M. and Morris, Gary A. and Witte, Jacquelyn C. and
Davies, Jonathan and Nakano, Tatsumi and Van Malderen,
Roeland and Stauffer, Ryan M. and Johnson, Bryan J. and
Stübi, Rene and Oltmans, Samuel J. and Vömel, Holger},
title = {{I}mproving {ECC} {O}zonesonde {D}ata {Q}uality:
{A}ssessment of {C}urrent {M}ethods and {O}utstanding
{I}ssues},
journal = {Earth and Space Science},
volume = {8},
number = {3},
issn = {2333-5084},
address = {Malden, Mass.},
publisher = {American Geophysical Union},
reportid = {FZJ-2021-00840},
pages = {e2019EA000914},
year = {2021},
abstract = {We review the current state of knowledge of ozonesonde
uncertainty and bias, with reference to recent developments
in laboratory and field experiments. In the past 20 years
ozonesonde precision has improved by a factor of 2,
primarily through the adoption of strict standard operating
procedures. The uncertainty budget for the ozone partial
pressure reading has contributions from stoichiometry, cell
background current, pump efficiency and temperature, sensing
solution type, and volume. Corrections to historical data
for known issues may reduce biases but simultaneously
introduce additional uncertainties. This paper describes a
systematic approach to quantifying these uncertainties by
considering the physical and chemical processes involved and
attempts to place our estimates on a firm theoretical or
empirical footing. New equations or tables for ozone/iodine
conversion efficiency, humidity and temperature corrections
to pump flow rate, and altitude‐dependent pump flow
corrections are presented, as well as detailed discussion of
stoichiometry and conversion efficiencies. The nature of the
so‐called “background current” is considered in
detail. Two other factors particularly affecting past
measurements, uncertainties and biases in the pressure
measurement, and the comparison of sonde profiles to
spectrophotometric measurements of total column ozone, are
also discussed. Several quality assurance issues remain, but
are tractable problems that can be addressed with further
research. This will be required if the present goal of
better than $5\%$ overall uncertainty throughout the global
ozonesonde network is to be achieved.},
cin = {IEK-8},
ddc = {550},
cid = {I:(DE-Juel1)IEK-8-20101013},
pnm = {211 - Die Atmosphäre im globalen Wandel (POF4-211)},
pid = {G:(DE-HGF)POF4-211},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000635218300012},
doi = {10.1029/2019EA000914},
url = {https://juser.fz-juelich.de/record/890256},
}