Articles | Volume 8, issue 6
Atmos. Meas. Tech., 8, 2359–2369, 2015
https://doi.org/10.5194/amt-8-2359-2015
Atmos. Meas. Tech., 8, 2359–2369, 2015
https://doi.org/10.5194/amt-8-2359-2015

Research article 08 Jun 2015

Research article | 08 Jun 2015

Vertical level selection for temperature and trace gas profile retrievals using IASI

R. A. Vincent et al.

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Short summary
This work presents a new iterative method for optimally selecting a vertical retrieval grid based on the location of information while accounting for inter-level correlations. Sample atmospheres initially created to parametrise the RTTOV forward model are used to compare the presented iterative vertical selection method with two other common approaches. The iterative method is shown to outperform the other methods in terms of degrees of freedom, but at the expense of simplicity.