Solution to UKCA & UMUI Tutorial 3 Task 3.1

Task

You were asked to

Output the instantaneous UKCA ozone field to the ph/UPH stream every 6 hours.

and were given the hint

You will need to make the changes to the STASH table first, and remember to use Verify Diagnostics. You may then need to change the frequency of output.

Solution

Step 1: Add the new diagnostic to the STASH table

You will need to add the following to the STASH table

34   1 O3 MASS MIXING RATIO AFTER TIMESTEP T6H      DALLTH   UPH      Y +  Y  

i.e.

Time Profile   = T6H
Domain Profile = DALLTH
Usage Profile  = UPH