Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 15, issue 20
Articles | Volume 15, issue 20
https://doi.org/10.5194/amt-15-6243-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/amt-15-6243-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 20
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, Hans Gleisner, Stig Syndergaard, and Kent B. Lauritsen

Supplement

https://doi.org/10.5194/amt-15-6243-2022-supplement

Data sets

RS92 GRUAN Data Product Version 2 (RS92-GDP.2) M. Sommer, R. Dirksen, and F. Immler https://doi.org/10.5676/GRUAN/RS92-GDP.2

ROM SAF Radio Occultation Interim Climate Data Record v1.0, GRM-29-I1 (2019), for 2017 to 2020 H. Gleisner, K. Bækgaard Lauritsen, J. K. Nielsen, and S. Syndergaard https://doi.org/10.15770/EUM_SAF_GRM_0006

ROM SAF Radio Occultation Climate Data Record v1.0, GRM-29-R1 (2019), for 2006 to 2016 H. Gleisner, K. Bækgaard Lauritsen, J. K. Nielsen, and S. Syndergaard https://doi.org/10.15770/EUM_SAF_GRM_0002

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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.
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