Articles | Volume 9, issue 9
https://doi.org/10.5194/amt-9-4783-2016
https://doi.org/10.5194/amt-9-4783-2016
Research article
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27 Sep 2016
Research article | Highlight paper |  | 27 Sep 2016

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

Gaétane Ronsmans, Bavo Langerock, Catherine Wespes, James W. Hannigan, Frank Hase, Tobias Kerzenmacher, Emmanuel Mahieu, Matthias Schneider, Dan Smale, Daniel Hurtmans, Martine De Mazière, Cathy Clerbaux, and Pierre-François Coheur

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Cited articles

Antón, M., Loyola, D., Clerbaux, C., López, M., Vilaplana, J. M., Bañón, M., and Alados-Arboledas, L.: Validation of the MetOp-A total ozone data from GOME-2 and IASI using reference ground-based measurements at the Iberian Peninsula, Remote Sens. Environ., 115, 1380–1386, https://doi.org/10.1016/j.rse.2011.01.018, 2011.
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Austin, J., Garcia, R. R., Russell, J. M., Solomon, S., and Tuck, A. F.: On the Atmospheric Photochemistry of Nitric Acid, J. Geophys. Res., 91, 5477–5485, https://doi.org/10.1029/JD091iD05p05477, 1986.
Blumenstock, T., Kopp, G., Hase, F., Hochschild, G., Mikuteit, S., Raffalski, U., and Ruhnke, R.: Observation of unusual chlorine activation by ground-based infrared and microwave spectroscopy in the late Arctic winter 2000/01, Atmos. Chem. Phys., 6, 897–905, https://doi.org/10.5194/acp-6-897-2006, 2006.
Boynard, A., Hurtmans, D., Koukouli, M. E., Goutail, F., Bureau, J., Safieddine, S., Lerot, C., Hadji-Lazaro, J., Wespes, C., Pommereau, J.-P., Pazmino, A., Zyrichidou, I., Balis, D., Barbe, A., Mikhailenko, S. N., Loyola, D., Valks, P., Van Roozendael, M., Coheur, P.-F., and Clerbaux, C.: Seven years of IASI ozone retrievals from FORLI: validation with independent total column and vertical profile measurements, Atmos. Meas. Tech., 9, 4327–4353, https://doi.org/10.5194/amt-9-4327-2016, 2016.
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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.
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