What is your opinions/ideas!
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What is your opinions/ideas!

spadekevin
8 messages
1 jeton


07 Août 2018 à 13:33
Hello,

I think we may have a problem with the physical-biological coupling in terms of light. Please correct me if I'm wrong.
When SOLAR_SOURCE is defined, short wave radiation penetrates the water column and contributes to T. The decay penetration function is based on Jerlov's water type, which considers 2 radiation bands and has 2 absorption coefficients.

When including Fasham biology (I haven't checked other ecosystem models yet) shortwave is attenuated by water and chlorophyll, and the absorption coefficients are given as input in biofasham.in.

I believe that this brings mainly 2 problems:
1) attenuation is different for T and for P
2) light absorption by P doesn't feedback to the water column

I'm not sure whether this problem makes a big difference in the model results. I'll appreciate your opinions/ideas!

Please help.

I didn't find the right solution from the internet.

References:
https://www.myroms.org/forum/viewtopic.php?f=33&t=804
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Thank you.
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