Comments (4)
Hello,
I think it should be possible to get information on the short wave radiation as an output field, though this option is not yet implemented. What type of short wave radiation info would you be interested in? Below is a short snippet of code illustrating the possible quantities that could be included as output (from ModsCloudJ_mod.f90 lines 721-726).
! FFXNET(K,1) = FLXD0 direct(solar) flux dep into atmos (spherical)
! FFXNET(K,2) = FSBOT direct(solar) flux dep onto LB (surface)
! FFXNET(K,3) = FLXD0+FSBOT TOTAL solar into atmopshere+surface
! FFXNET(K,4) = FJTOP diffuse flux leaving top-of-atmos
! FFXNET(K,5) = FFX0 diffuse flux absorbed in atmos
! FFXNET(K,6) = FABOT total (dir+dif) absorbed at LB (surface)
Here the short wave radiation only covers the spectrum between 117-778 nm, so maybe this is also not exactly what you are after.
Best regards,
Willem
Edit; on second thought, maybe the Watts m-2 calculations from the Radiation module would be more useful. Will look into it. The calculations for these W m-2 values are described in Simpson et al (2012), is that something you would be looking for?
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Hi, indeed a variable that describes the downward short wave incoming radiation at ground level in W/m2 would be great.
from emep-ctm.
Sorry for the slow reply, it has been a busy period.
Unfortunately it doesn't look like the ground level shortwave radiation is currently available as an output, even though it has been in earlier versions of the model. It would be possible to again output the "Indirect" and "Idiffuse" variables, but this would require some changes to the code. For example, in Derived_mod.f90 the following would have to be included (together with a few other tweaks):
case ( "Idirect" )
forall ( i=1:limax, j=1:ljmax )
d_2d( n, i,j,IOU_INST) = Idirect(i,j)
end forall
case ( "Idiffuse" )
forall ( i=1:limax, j=1:ljmax )
d_2d( n, i,j,IOU_INST) = Idiffuse(i,j)
end forall
Is changing the code to have these output parameters something you would feel comfortable doing yourself, or prefer it to be part of the next opensource release?
Best regards
Willem
from emep-ctm.
Thank you for your answer. I have to see with my colleague if this is what he wants.
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