Articles | Volume 12, issue 10
Atmos. Meas. Tech., 12, 5547–5572, 2019
https://doi.org/10.5194/amt-12-5547-2019
Atmos. Meas. Tech., 12, 5547–5572, 2019
https://doi.org/10.5194/amt-12-5547-2019

Research article 21 Oct 2019

Research article | 21 Oct 2019

Evaluation of MOPITT Version 7 joint TIR–NIR XCO retrievals with TCCON

Jacob K. Hedelius et al.

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Latest update: 18 Sep 2021
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Short summary
We seek ways to improve the accuracy of column measurements of carbon monoxide (CO) – an important tracer of pollution – made from the MOPITT satellite instrument. We devise a filtering scheme which reduces the scatter and also eliminates bias among the MOPITT detectors. Compared to ground-based observations, MOPITT measurements are about 6 %–8 % higher. When MOPITT data are implemented in a global assimilation model, they tend to reduce the model mismatch with aircraft measurements.