[cam-users] iyear_ad.

[Michael Barlage]

In a previous run with CCM3, I found that changing the year to 1988 from 
1950 produced a 0.46 W/m^2 (maximum) increase in solar insolation at the 
location of peak incoming radiation (~20N) for a run beginning April 1, 
1988. This produced some substantial differences in near-surface 
temperature.

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Michael Barlage
Institute of Atmospheric Physics
University of Arizona
barlage@atmo.arizona.edu
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> 
> hi,
> 
> How to chose a suitable value for the parameter iyear_ad, which is the year 
> based on which orbital parameters are calculated in CAM ? Would it make a 
> difference to chose 1980 instead of 1950, for example ? Any ideas on this 
> will be appreciated. Thanks in advance.
> 
> Ragoth Sundararajan.
> MIT.
> 
> 
> 
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