Articles | Volume 18, issue 19
https://doi.org/10.5194/gmd-18-7185-2025
https://doi.org/10.5194/gmd-18-7185-2025
Methods for assessment of models
 | 
14 Oct 2025
Methods for assessment of models |  | 14 Oct 2025

A novel model hierarchy isolates the limited effect of supercooled liquid cloud optics on infrared radiation

Ash Gilbert, Jennifer E. Kay, and Penny Rowe

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Cited articles

Blanchard-Wrigglesworth, E., Roach, L. A., Donohoe, A., and Ding, Q.: Impact of winds and Southern Ocean SSTs on Antarctic sea ice trends and variability, J. Climate, 34, 949–965, https://doi.org/10.1175/JCLI-D-20-0386.1, 2021. a
Cesana, G., Kay, J. E., Chepfer, H., English, J. M., and de Boer, G.: Ubiquitous low-level liquid-containing Arctic clouds: new observations and climate model constraints from CALIPSO-GOCCP, Geophys. Res. Lett., 39, https://doi.org/10.1029/2012GL053385, 2012. a
Clough, S. A., Shephard, M. W., Mlawer, E. J., Delamere, J. S., Iacono, M. J., Cady-Pereira, K., Boukabara, S., and Brown, P. D.: Atmospheric radiative transfer modeling: a summary of the AER codes, JQSRT, 91, 233–244, https://doi.org/10.1016/j.jqsrt.2004.05.058, 2005. a, b
Computational and Information Systems Laboratory (CISL): Cheyenne: HPE/SGI ICE XA System, https://doi.org/10.5065/D6RX99HX, 2022. a
Computational and Information Systems Laboratory (CISL): Derecho: HPE Cray EX System (University Community Computing), https://doi.org/10.5065/qx9a-pg09, 2023. a
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Short summary
We developed a novel methodology for assessing whether a new physics parameterization should be added to a climate model based on its effect across a hierarchy of model dynamical constraints. Our study used this model hierarchy to evaluate the effect of a new cloud radiation parameterization on longwave radiation and determined that the parameterization should be added to climate radiation models, but its effect is not large enough to be a priority.
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