Articles | Volume 13, issue 5
https://doi.org/10.5194/amt-13-2659-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-13-2659-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Update of Infrared Atmospheric Sounding Interferometer (IASI) channel selection with correlated observation errors for numerical weather prediction (NWP)
Olivier Coopmann
CORRESPONDING AUTHOR
CNRM, Université de Toulouse, Météo-France, CNRS, Toulouse, France
CNRM, Université de Toulouse, Météo-France, CNRS, Toulouse, France
Nadia Fourrié
CNRM, Université de Toulouse, Météo-France, CNRS, Toulouse, France
Béatrice Josse
CNRM, Université de Toulouse, Météo-France, CNRS, Toulouse, France
Virginie Marécal
CNRM, Université de Toulouse, Météo-France, CNRS, Toulouse, France
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Cited
14 citations as recorded by crossref.
- Stratospheric Temperature Observations by Narrow Bands Ultra-High Spectral Resolution Sounder from Nadir-Viewing Satellites S. Wang et al. 10.3390/rs15081967
- FuXi-DA: a generalized deep learning data assimilation framework for assimilating satellite observations X. Xu et al. 10.1038/s41612-025-01039-3
- Estimation of Land Surface Temperatures From Hyperspectral Infrared IASI Sensor X. Lan 10.1109/ACCESS.2024.3484769
- Analysis of MTG‐IRS observations and general channel selection for numerical weather prediction models O. Coopmann et al. 10.1002/qj.4282
- Quantifying CH4 emissions in hard coal mines from TROPOMI and IASI observations using the wind-assigned anomaly method Q. Tu et al. 10.5194/acp-22-9747-2022
- An Investigation of the Fengyun-4A/B GIIRS Performance on Temperature and Humidity Retrievals S. Wang et al. 10.3390/atmos13111830
- Impact of Infrared Atmospheric Sounding Interferometer (IASI) thermal infrared measurements on global ozone reanalyses E. Emili & M. El Aabaribaoune 10.5194/gmd-14-6291-2021
- Dynamic channel selection based on vertical sensitivities for the assimilation of FY‐4A geostationary interferometric infrared sounder targeted observations Y. Li et al. 10.1002/qj.4760
- Estimation of the error covariance matrix for IASI radiances and its impact on the assimilation of ozone in a chemistry transport model M. El Aabaribaoune et al. 10.5194/amt-14-2841-2021
- Assimilation of FY-3D and FY-3E Hyperspectral Infrared Atmospheric Sounding Observation and Its Impact on Numerical Weather Prediction during Spring Season over the Continental United States Q. Zhang & M. Shao 10.3390/atmos14060967
- Assimilation of Transformed Retrievals from IASI radiances versus direct assimilation of IASI radiances at the Met Office P. Levens & S. Migliorini 10.1002/qj.4786
- Impact of Hyperspectral Infrared Sounding Observation and Principal-Component-Score Assimilation on the Accuracy of High-Impact Weather Prediction Q. Zhang & M. Shao 10.3390/atmos14030580
- Evaluating the Value of CrIS Shortwave-Infrared Channels in Atmospheric-Sounding Retrievals C. Barnet et al. 10.3390/rs15030547
- Physics constraint Deep Learning based radiative transfer model Q. Liu & X. Liang 10.1364/OE.493818
14 citations as recorded by crossref.
- Stratospheric Temperature Observations by Narrow Bands Ultra-High Spectral Resolution Sounder from Nadir-Viewing Satellites S. Wang et al. 10.3390/rs15081967
- FuXi-DA: a generalized deep learning data assimilation framework for assimilating satellite observations X. Xu et al. 10.1038/s41612-025-01039-3
- Estimation of Land Surface Temperatures From Hyperspectral Infrared IASI Sensor X. Lan 10.1109/ACCESS.2024.3484769
- Analysis of MTG‐IRS observations and general channel selection for numerical weather prediction models O. Coopmann et al. 10.1002/qj.4282
- Quantifying CH4 emissions in hard coal mines from TROPOMI and IASI observations using the wind-assigned anomaly method Q. Tu et al. 10.5194/acp-22-9747-2022
- An Investigation of the Fengyun-4A/B GIIRS Performance on Temperature and Humidity Retrievals S. Wang et al. 10.3390/atmos13111830
- Impact of Infrared Atmospheric Sounding Interferometer (IASI) thermal infrared measurements on global ozone reanalyses E. Emili & M. El Aabaribaoune 10.5194/gmd-14-6291-2021
- Dynamic channel selection based on vertical sensitivities for the assimilation of FY‐4A geostationary interferometric infrared sounder targeted observations Y. Li et al. 10.1002/qj.4760
- Estimation of the error covariance matrix for IASI radiances and its impact on the assimilation of ozone in a chemistry transport model M. El Aabaribaoune et al. 10.5194/amt-14-2841-2021
- Assimilation of FY-3D and FY-3E Hyperspectral Infrared Atmospheric Sounding Observation and Its Impact on Numerical Weather Prediction during Spring Season over the Continental United States Q. Zhang & M. Shao 10.3390/atmos14060967
- Assimilation of Transformed Retrievals from IASI radiances versus direct assimilation of IASI radiances at the Met Office P. Levens & S. Migliorini 10.1002/qj.4786
- Impact of Hyperspectral Infrared Sounding Observation and Principal-Component-Score Assimilation on the Accuracy of High-Impact Weather Prediction Q. Zhang & M. Shao 10.3390/atmos14030580
- Evaluating the Value of CrIS Shortwave-Infrared Channels in Atmospheric-Sounding Retrievals C. Barnet et al. 10.3390/rs15030547
- Physics constraint Deep Learning based radiative transfer model Q. Liu & X. Liang 10.1364/OE.493818
Latest update: 30 May 2025
Short summary
The objective of this paper is to make a new selection of IASI channels by taking into account inter-channel observation-error correlations. Our selection further reduces the analysis error by 3 % in temperature, 1.8 % in humidity and 0.9 % in ozone compared to Collard’s selection, when using the same number of channels. A selection of 400 IASI channels is proposed at the end of the paper which is able to further reduce analysis errors.
The objective of this paper is to make a new selection of IASI channels by taking into account...