Articles | Volume 9, issue 9
Atmos. Meas. Tech., 9, 4783–4801, 2016
https://doi.org/10.5194/amt-9-4783-2016
Atmos. Meas. Tech., 9, 4783–4801, 2016
https://doi.org/10.5194/amt-9-4783-2016

Research article 27 Sep 2016

Research article | 27 Sep 2016

First characterization and validation of FORLI-HNO3 vertical profiles retrieved from IASI/Metop

Gaétane Ronsmans et al.

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Short summary
HNO3 concentrations are obtained from the IASI instrument and the data set is characterized for the first time in terms of vertical profiles, averaging kernels and error profiles. A validation is also conducted through a comparison with ground-based FTIR measurements, with good results. The data set is then used to analyse HNO3 spatial and temporal variability for the year 2011. The latitudinal gradient and the large seasonal variability in polar regions are well represented with IASI data.