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Changing code radsw.F90 to output FDS FUS CAM5 RRTMG

Hello all,I would be grateful if someone can help me in output the vertical radiative fluxes namely FDS, FUS, FNS, FDL, FUL and FNL correctly. I am using cesm1.0.4 CAM5, so the radiation package is RRTMG. I found that, to output the above variables i need to modify the SW and LW codes, basically add and comment few lines. I did that and got those output variables. But the values seems wrong.To check, I find the global mean value of FSNT = 242.7 W/m2. However, FDS(top layer) - FUS(top layer) = 291.8 W/m2, technically they (this difference and FSNT) should be same, but they aren't. Interestingly, FLNT and FDL(top layer) minus FUL(top layer) are same. this means that there is some issue with FDS and FUS values. So i checked FDS(top layer) value, it comes around 415 W/m2. However, SOLIN is 340W/m2. FDS(top layer) should be same as SOLIN. (note: All are global mean values)Please, can someone suggest me why the FDS and FUS values are higher (significantly)?? What mistakes I might be doing?Lots of thanks in advanceAngshu
 
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