Camilla Weum Stjern,
December 19th 2023
CICERO, Oslo, Norway

This folder contains data from simulations using the reduced-complexity model FORTE 2.0.
Analyses based on these data are first presented in
"Systematic Regional Aerosol Perturbations (SyRAP) in Asia using the intermediate-resolution 
global climate model FORTE2", Stjern et al.,
submitted to Journal of Advances in Modeling Earth Systems December 2023.

Simulations involve Systematic Regional Aerosol Perturbations (SyRAP)of either absorbing or
scattering aerosols in either India or China. Core simulations only includ aerosol-radiation
interactions (ARI) but we have additional simulations including aerosol-cloud interaction (ACI),
to quantify the relative role of the two processes.

Atmospheric (and some oceanic) variables are output on monthly or daily time resolution for the
200 years of simulation, for each experiment.

We find that FORTE2 is able to reproduce the responses to Asian aerosol changes documented in
the literature, and that it can help us decompose regional climate impacts of aerosols from the
two regions, as well as from ACI vs ARI.


---------Experiments--------
Perturbation aerosols:
su:   as control, but with present-day aerosol levels of sulfate
BC:   as control, but with present-day aerosol levels of BC and OC

Sensitivity simulations:
suaci:   sulfate-perturbation experiment where both ARI and ACI are included
aci:     sulfate-perturbation experiment where only ACI are included
suacia:  like suaci but with weaker ACI effect
acia:    like aci but with weaker ACI effect

Perturbation regions:
1:    China
2:    India
3:    North-India
1+2:  China + India
1+3:  China + North-India

Climate states:
piC:  control experiment, preindustrial CO2 levels (** ppb) and no aerosols
p1K:  as control, but with present-day CO2 levels (** ppb)
p2K:  as control, but with future CO2 levels (** ppb)

Perturbation experiments have names on the form:
$perturbationaerosol$sensitivitysimulation$perturbationregion_$climatestate
(for core experiment where perturbation is on top of preindustrial climate, climate state is not
specified in experiment name)

Examples of experiment names:
BC1
su2_p1K
aci1+2_p2K


--------File names-----------
Below follows a list of file names available for each experiment, examplified by the piC experiment.
The last word in the file names indicates the temporal resolution.
Behind each file name are indications of variables within the files.
piC_atmos_monthly.cdf	        monthly winds, pressure, geopotential
piC_ocean_yearly.cdf		ocean currents, salinity
piC_rad_monthly.cdf		radiative fluxes
piC_va_daily.cdf		meridional wind
piC_cloud_monthly.cdf		low-level, mid-level and convective clouds
piC_pr_psl_ts_daily.cdf		temperature and precipitation, as well as surface pressure
piC_ta_daily.cdf		atmospheric temperature in three levels
piC_wap_daily.cdf		vertical air motion
piC_fluxhum_monthly.cdf		surface fluxes
piC_qdot_monthly.cdf		atmospheric heating rates
piC_ua_daily.cdf		zonal wind
piC_zg_daily.cdf		geopotential height