Articles | Volume 8, issue 12
Atmos. Meas. Tech., 8, 5039–5062, 2015
https://doi.org/10.5194/amt-8-5039-2015

Special issue: GOME-2: calibration, algorithms, data products and...

Atmos. Meas. Tech., 8, 5039–5062, 2015
https://doi.org/10.5194/amt-8-5039-2015

Research article 02 Dec 2015

Research article | 02 Dec 2015

Metrology of ground-based satellite validation: co-location mismatch and smoothing issues of total ozone comparisons

T. Verhoelst et al.

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Short summary
Comparisons between satellite and ground-based measurements of the atmosphere are inevitably affected by natural variability due to mismatches in spatial and temporal co-location. These additional terms in the comparison error budget are quantified here for total ozone column comparisons using an Observing System Simulation Experiment. Even when using tight co-location criteria, atmospheric variability is found to impact the comparisons significantly.