Opened 9 years ago

Last modified 9 years ago

#92 new task

Reduce land-sea temperature contrast

Reported by: raw88 Owned by: raw88
Priority: normal Milestone:
Component: Atmosphere Version:
Keywords: Cc:


The focus here is on a case of quasi-stationary convection over the southwest peninsula of the UK, which was forced by a narrow convergence line. A sensitivity test if required to investigate to what extent the convergence line was the result of land-sea near-surface temperature differences (i.e. was a sea-breeze circulation involved). For this it is desirbale to reduce/remove this temperature contrast. As a first attempt, the value of the solar constant will be reduced in an attempt to reduce the daytime heating of the land surface.

Change History (1)

comment:1 Changed 9 years ago by raw88

For the first attempt, the solar constant was reduced to a value of 700Wm-2. As expected this reduced daytime land-surface heating resulting in a weaker land-sea air temperature contrast. Some contrast did still develop during the afternoon however, and the convergence line of interest did develop, though it appeared weaker and moved more slowly inland. This suggests that the convergence line is some sort of sea-breeze front but more investigation is needed. As a second step the solar constant will now be reduced to 400Wm-2.

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