Changes between Version 11 and Version 12 of ticket/350/TicketSummary


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Timestamp:
Nov 24, 2017 4:28:52 PM (5 months ago)
Author:
Martin Dix
Comment:

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  • ticket/350/TicketSummary

    v11 v12  
    9999[[Image(netrad_diff_corrected.png)]]
    100100
    101 However now there's almost no difference between the CABLE radnet_tile and the grid box net radiation, showing that CABLE isn't updating it for the change in surface temperature. However it used to back in access 1.3.
     101There's now almost no difference between the CABLE radnet_tile and the grid box net radiation, showing that CABLE isn't updating it for the change in surface temperature, though it used to back in access 1.3. However as far as I know this only affects diagnostics.
    102102
    103103Note that this emissivity problem should have also affected the vn8.5 coupled model runs with CABLE because the namelist for that had the same JULES emissivities.
    104104
     105The immediate effect of change is to increase the upward LW at the surface (and at the TOA), restoring the surface energy balance by reducing the diagnosed net radiation. However this doesn't immediately change the radiation flux into the surface because CABLE was already calculating that using the correct emissivity. Surface changes should only occur as a response to atmospheric warming from the increased upwards LW flux.
     106