the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
TROPESS CrIS CO single pixel vertical profiles: Intercomparisons with MOPITT and model comparisons for 2020 US Western wildfires
Ming Luo
Helen M. Worden
Robert D. Field
Kostas Tsigaridis
Gregory S. Elsaesser
Abstract. The new TROPESS (TRopospheric Ozone and its Precursors from Earth System Sounding) profile retrievals of Carbon Monoxide (CO) from the Cross-track Infrared Sounder (CrIS) are evaluated against Measurement of Pollution in the Troposphere (MOPITT) CO Version 9 data. Comparison results that were adjusted to common a priori constraints in the retrieval processes have improved agreement between the two data sets over direct comparisons. CrIS CO profiles are within 5 % of MOPITT but have higher concentrations in the lower troposphere and lower concentrations in the upper troposphere. For the intense W. US wildfire events in September 2020, we compare GISS climate model simulated CO fields to the two satellite CO observations. We show intermediate steps of the comparison process to illustrate the evaluation of model simulations by deriving the “retrieved” model CO profiles as they would be observed by the satellite. This includes the application of satellite Level 2 data along with their corresponding diagnostic operators provided in the TROPESS and MOPITT products. The process allows a diagnosis of potential model improvements in modelling fire emissions and pollution transport.
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Ming Luo et al.
Status: open (until 20 Oct 2023)
Ming Luo et al.
Ming Luo et al.
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