How to change the radiation reflected by the surface to the atmosphere

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jialiu

NJNU
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Dear all,
I would like to modify the radiation reflected by the surface to the atmosphere. Where should I change the code?
Thanks very much
 
D

dbailey

CSEG and Liaisons
Staff member
What version of the code are you referring to? Each of the surface components (CLM, CICE, POP, CISM) have an albedo formulation. That is if you are talking about the shortwave. Or are you talking about the longwave radiation?
 
J

jialiu

NJNU
Member
dbailey said:
What version of the code are you referring to? Each of the surface components (CLM, CICE, POP, CISM) have an albedo formulation. That is if you are talking about the shortwave. Or are you talking about the longwave radiation?
Click to expand...
I want to modify shortwave radiation.
 
D

dbailey

CSEG and Liaisons
Staff member
This is a bit more information. However, I was asking which component ... CLM, CICE, DOCN, etc? The land model (CLM), sea ice model (CICE) each have their own computed albedos.
 
O

oleson

Keith Oleson
CSEG and Liaisons
Staff member
The albedo calculations in CLM are quite complex. Please see this chapter of the technical note:


This previous post may be helpful as well:

bb.cgd.ucar.edu

Using fixed snow fraction, thickness, etc. in selected regions?

Hi everyone, I am trying to run a sensitivity test with CESM 1.2.2, where I'd like to fix the albedo at certain regions, possibly with data from a previous run. From what I understand, if vegetation, and aerosol remains the same, all I have to worry about is the change of snow cover due to...
bb.cgd.ucar.edu bb.cgd.ucar.edu
 
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