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FSNT - FLNT and ERF

W

wrunyu

wrunyu
New Member
Hi all,
I'm more confused about the variables in the CESM model output: is FSNT - FLNT equivalent to ERF (Effective Radiative Forcing).I found that the two units are the same, but I don't know if there is a connection.
Looking forward to your reply.

Regards,
Runyu
 
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sacks

sacks

Bill Sacks
CSEG and Liaisons
Staff member
Are these variables from CAM? If so, I'll move this to the atmosphere forum where it should get more attention.
 
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B

brianpm

Active Member
Hi Runyu,

Can you elaborate on your question? I'm not sure exactly what you're asking.

FSNT is the net shortwave (visible) radiation at the top of the model, and FLNT is the net longwave (infrared) at the top of the model. Combined they give the net radiative balance of the system; that is, if their difference is non-zero the system is out of balance and would tend to warm/cool to re-establish equilibrium.
 
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