… 2.1 HadGEM3-GC3.1 and UKESM1 In this study, we evaluate the simulation of aerosols in
the CMIP6 historical … climate model GC3.1 and its Earth system counterpart, UKESM1. GC3.…

… aerosol forcing in HadGEM3-GC3.1 (Bodas-Salcedo et al., 2019; Mulcahy et al., 2018), or a
strong response to aerosol … our analysis applies also to UKESM1. Deeper study is needed to …

… version of the UK Met Office's physical coupled climate model, HadGEM3-GC3.1 (known as
… of aerosol optical depths (AODs), we have evaluated the simulated AOD in UKESM1 against …

… UKESM1 seems to be have a slightly higher BC ERF than other CMIP6 models, all
aerosol … All simulations used in this study are listed in Table 1. The emissions and GHG …

… of UKESM1, a new Earth system model (ESM) for CMIP6 built upon the HadGEM3-GC3.1 …
, dimethyl sulfide (DMS) and primary marine organic aerosols (PMOA), all of which are …

… in HadGEM3-GC3.1, demonstrating an overly strong aerosol … OSR differences from historical
simulations that also capture … The TAS response and aerosol forcing sensitivity in UKESM1-…

… CMIP6 models is particularly evident in the organic-aerosol … -day values simulated by
CESM2-WACCM and UKESM1-0-… Simulated historical changes in surface O 3 from UKESM1-0-LL …

… —are listed in Table 1., following CMIP6 experiment names. Details of each experimental …
LL, including its separation into WMGHGs (red), aerosols (blue), and natural forcings (grey). …

… for use in both UKESM and wider CMIP6 simulations with the HadGEM3-GC3.1 physical
model. Below we evaluate the PD performance of the GA7.1 configuration relative to its parent …

… , and a detailed evaluation of the historical aerosol simulation… All model simulations assessed
in this study follow the CMIP6 … Atlantic in HadGEM3-GC3.1-LL, the physical core model of …