Leif
This may be of some help: https://github.com/MetOffice/CDDS/blob/main/mip_convert/mip_convert/plugins/ukesm1/data/UKESM1_mappings.cfg. Search for clw, for example, and see the entry expression = m01s02i308, which is stash item 308 in section 2.
I don’t see rluscs - I’m not familiar enough with CMIP output. You may need to contact the Met Office possibly at cdds@metoffice.gov.uk.
Grenville
this is the query that the above is an reply to:
I am setting up a series of AMIP-style experiments in a GA8.0, UM11.7 suite (u-dt591) and am having some trouble finding all the variables on stash requested by the protocol I am following. Because they are fairly common CMIP6 variables, I am wondering if I am just overlooking some variable or obvious ways to get at what I need. The following are the ones I am having trouble with:
Surface upwelling longwave flux - clear sky (rluscs): I am unable to find this at all. For the surface LW all-sky, I can get upwelling by using net LW surface (2-201) and downward LW surface flux (2-207), but there appears to be no equivalent net/total surface LW up for clear sky, nor a direct upwelling in the clear sky as there is in the SW (1-211). Am I missing the appropriate variable or another way to calculate this?
Total cloud fraction of grid column (clt): I am able to find bulk and area fraction by model layer (0-265 and 0-266), but the only total column cloud fraction I see is the CALIPSO-simulated total cloud fraction (2-347). Is this the appropriate variable to use for the CMIP6 cloud fraction definition, or is it meant to directly compare to satellite observations rather than as a true accounting of the cloud fraction? I suppose I do not understand the role of the CALIPSO simulator in this case.
Mass fraction of cloud ice (cli) and of cloud liquid water (clw): I am only able to find the volume fraction of cloud ice and water (0-268 and 0-267, resp.).
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