Articles | Volume 16, issue 4
Methods for assessment of models
27 Feb 2023
Methods for assessment of models |  | 27 Feb 2023

Incorporation of aerosol into the COSPv2 satellite lidar simulator for climate model evaluation

Marine Bonazzola, Hélène Chepfer, Po-Lun Ma, Johannes Quaas, David M. Winker, Artem Feofilov, and Nick Schutgens

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Cited articles

Bonazzola, M.: ATB CALIOP profiles, Zenodo [data set],, 2022a. 
Bonazzola, M.: CALIOP SR profiles, Zenodo [data set],, 2022b. 
Bonazzola, M. and Chepfer, H.: COSPv2.0: Adding lidar aerosol simulator, Zenodo [code],, 2022. 
Cesana, G. and Chepfer, H.: How well do climate models simulate cloud vertical structure? a comparison between CALIPSO-GOCCP satellite observations and CMIP5 models, Geophys. Res. Lett., 39, L20803,, 2012. 
Cesana, G. and Chepfer, H.: Evaluation of the cloud water phase in a climate model using CALIPSO-GOCCP, J. Geophys. Res., 118, 7922–7937,, 2013. 
Short summary
Aerosol has a large impact on climate. Using a lidar aerosol simulator ensures consistent comparisons between modeled and observed aerosol. We present a lidar aerosol simulator that applies a cloud masking and an aerosol detection threshold. We estimate the lidar signals that would be observed at 532 nm by the Cloud-Aerosol Lidar with Orthogonal Polarization overflying the atmosphere predicted by a climate model. Our comparison at the seasonal timescale shows a discrepancy in the Southern Ocean.