Recalibration and Assessment of the SNPP CrIS Instrument: A Successful History of Restoration After Midwave Infrared Band Anomaly

Iturbide-Sanchez, Flavio; Strow, L. Larrabee; Tobin, David C.; Chen, Yong; Tremblay, Denis; Knuteson, Robert O.; Johnson, David G.; Buttles, Clayton; Suwinski, Lawrence; Thomas, Bruce P.; Rivera, Adhemar R.; Lynch, Erin; Zhang, Kun; Wang, Zhipeng; Porter, Warren; Jin, Xin; Predina, Joseph P.; Eresmaa, Reima; Collard, Andrew; Ruston, Benjamin; Jung, James A.; Barnet, Christopher D.; Beierle, Peter; Yan, Banghua; Revercomb, Henry E.

doi:10.1109/tgrs.2021.3112400

Cited by 5 publications

(1 citation statement)

References 24 publications

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“…In response the instrument was switched to the 'side 1' electronics in order to retain use of the long-wave (band 1) channels (Iturbide-Sanchez et al, 2021). However, the mid-wave (band 2) channels of the side 1 electronics are non-functioning.…”

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confidence: 99%

Joint spectral retrievals of ozone with Suomi NPP CrIS augmented by S5P/TROPOMI

Malina

Bowman²,

Kantchev³

et al. 2022

Preprint

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Abstract. The vertical distribution of ozone plays an important role in atmospheric chemistry, climate change, air pollution, and human health. Over the twenty-first century, spaceborne remote sensing methods and instrumentation have evolved to better characterise this distribution. We quantify the ability of ozone retrievals to characterise this distribution through a combination of thermal infrared (TIR) and Ultra Violet (UV) spectral radiances, harnessing co-located TIR measurements from the Cross Track Infrared Sounder (CrIS), onboard the Suomi National Polar-orbiting Partnership (NPP), and UV measurements from the TROPospheric Monitoring Instrument (TROPOMI), which is on the Sentinel 5-Precursor (S5P) satellite. The combination of TIR and UV measurements improves the ability of satellites to characterise global ozone profiles, over the use of each band individually. The CrIS retrievals enhanced by TROPOMI radiances in the Huggins band (325–335 nm) show good agreement with independent datasets both in the troposphere and in the stratosphere in spite of calibration issues in the TROPOMI UV. Improved performance is characterised in the stratosphere from CrIS-TROPOMI. Comparable performance between CrIS-TROPOMI and CrIS-only is found in the troposphere with degrees of freedom for signal of about 2 globally, but higher in the tropics partitioned equally between the lower and upper troposphere. These results demonstrate that CrIS/TROPOMI retrievals have the potential to substantially improve our understanding of ozone. If spectral accuracy is improved in future TROPOMI calibration, the degrees of freedom of signal in the stratosphere could double when using bands 1 and 2 of TROPOMI (270–330 nm), while tropospheric degrees of freedom of signal could increase by 25 %.

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mentioning

confidence: 99%

Joint spectral retrievals of ozone with Suomi NPP CrIS augmented by S5P/TROPOMI

Malina

Bowman²,

Kantchev³

et al. 2022

Preprint

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The Cross-track Infrared Sounder (CrIS) Overview and Validation

Han,

Chen

2024

Reference Module in Earth Systems and Environmental Sciences

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Validation of CrIS Radiometric Performance through Its Comparison to ABI

et al. 2022

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Radiometric intercomparison between satellite remote sensing instruments has become an increasingly common practice to monitor the stability and even the accuracy of their radiance products. The assessment also enables the evaluation of calibration improvements made to these products, as well as the identification and resolution of remaining calibration inadequacies. In this paper, the radiance products of the Cross-track Infrared Sounder (CrIS), an interferometer-based hyperspectral IR sounder in low Earth orbit (LEO), is compared with the level-1b (L1b) radiance products of the infrared (IR) bands of the Advanced Baseline Imager (ABI), an imaging radiometer in geostationary (GEO) orbit. Two CrIS instruments are currently in operation on S-NPP and NOAA-20 satellites, respectively, and two ABI instruments are in operation on GOES-16 and GOES-17 satellites, respectively. Radiometric intercomparisons are performed between each CrIS-ABI pair. An established procedure by GSICS for such GEO-LEO instrument comparison is principally followed to emulate the radiance of ABI IR bands from CrIS spectra of the collocated pixels to be compared with the actual ABI radiance. Results show that the long-term time series of CrIS-ABI radiance bias have been stable within 0.2 K for nearly all ABI IR bands within a spectral range from 3.7 μm to 13.3 μm, except those with known calibration issues. Miscellaneous calibration events that had occurred to either instrument and altered the biases are identified and explained. While the main goal of the work is to support the on-orbit Cal/Val of CrIS, including the future JPSS-2/3/4 CrIS, such observations can also be referenced to further improve the calibration of ABI.

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Recalibration and Assessment of the SNPP CrIS Instrument: A Successful History of Restoration After Midwave Infrared Band Anomaly

Cited by 5 publications

References 24 publications

Joint spectral retrievals of ozone with Suomi NPP CrIS augmented by S5P/TROPOMI

Joint spectral retrievals of ozone with Suomi NPP CrIS augmented by S5P/TROPOMI

The Cross-track Infrared Sounder (CrIS) Overview and Validation

Validation of CrIS Radiometric Performance through Its Comparison to ABI

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