Articles | Volume 15, issue 20
Atmos. Meas. Tech., 15, 6243–6256, 2022
https://doi.org/10.5194/amt-15-6243-2022

Special issue: Analysis of atmospheric water vapour observations and their...

Atmos. Meas. Tech., 15, 6243–6256, 2022
https://doi.org/10.5194/amt-15-6243-2022
Research article
28 Oct 2022
Research article | 28 Oct 2022

Estimation of refractivity uncertainties and vertical error correlations in collocated radio occultations, radiosondes, and model forecasts

Johannes K. Nielsen et al.

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Short summary
This paper provides a new way to estimate uncertainties and error correlations. The method is a generalization of a known method called the three-cornered hat: Instead of calculating uncertainties from assumed knowledge about the observation method, uncertainties and error correlations are estimated statistically from tree independent observation series, measuring the same variable. The results are useful for future estimation of atmospheric-specific humidity from the bending of radio waves.