Regionally flux-adjusted

Unified Model

All that remains now is to set up your HadCM3 integration. Put your flux adjustment ancillary somewhere on the computer you're running on. In the flux correction section, specify heat flux corrections updating every 5 days, and point at the correct ancillary file.

A standard modset in HadCM3 at vn4.4 is pjl1f404 which, amongst other things, actually switches any heat flux corrections to zero. You certainly don't want that to happen, so take a look in the list of modifications for the model and see if its specified. If it is, take a copy of this mod, go to the line which says;

fluxtoth(I)=0.0

and replace it with fluxtoth(I)=fluxcorh(I)

Use this version of the mod instead of the original.

At vn4.5, this mod has been incorporated into the source code, and there is now a button in the user interface which sets the heat flux adjustments to zero. This button is actually in the "Ocean Salinity Controls" window of the UMUI so it isn't obviously anything to do with heat fluxes at all, but if you wish to use heat flux adjustment you will need to find this button and switch it off (the default setting is on).

Now you can submit and run your model in the usual way.

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This information is maintained by Pete Inness.

email: pete@met.reading.ac.uk phone: 0118 3785583