Pseudo-Global Warming (PGW)

Whith this set of simulations we aim at answering the second question:

How are mesoscale organised shallow cloud patterns responding to pseudo-global warming perturbations?

Storm Resolving Models

For the PGW simulation with SRMs the same domain, period and resolution as in the Present Day Climate should be used. The SST fields needs to be increased by 4K. For the lateral boundaries perturbation fields \Delta are provided based on 30-year monthly means of the the driving GCM (see also section on methodology and references there). Use as default the GFDL model as the driving GCM as this is a model with a moderate equilibrium climate sensitivity (ECS). The perturbation fields of the GFDL model include three-dimentional field of tenperature, specific humidity and wind (T, qv, u, v) as well as the associated changes in geopotential height F can be found here.

The same output as for the present day is required here.

Large Eddy Models

Only LEMs with open boundary conditions are invited to perform a Pseudo-Global Warming (PGW) simulation. For this the same domain, period and resolution as for the Present-day simulations should be used. The SST fields needs to be increased by 4K. For the lateral boundaries perturbation fields \Delta are provided based on 30-year monthly means of the the driving GCM (see also section on methodology and references there). Use as default the GFDL model as the driving GCM as this is a model with a moderate equilibrium climate sensitivity (ECS). The perturbation fields of the GFDL model include three-dimentional field of tenperature, specific humidity and wind (T, qv, u, v) as well as the associated changes in geopotential height F can be found here.

The same output as for the present-day simulations is required.

 

 


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