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Comparison of Cloud Resolving Model Simulations using Size-Resolved and GCM Microphysics Parameterizations

Ovtchinnikov, M. and Ghan, S., Pacific Northwest National Laboratory
Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting

We will show that CRM simulations using a size-resolved treatment of cloud microphysics are in remarkable agreement with CRM simulations using the bulk microphysics parameterization from the PNNL version of the NCAR CCM. This confirms the suspicion that differences between CRM cloud simulations and cloud simulations by the PNNL SCM are due not to the treatment of cloud microphysics but rather to the treatment of subgrid transport of energy and moisture.

Note: This is the poster abstract presented at the meeting; an extended version was not provided by the author(s).