fixer corm

Subject: fixer corm
From: Gerhard Gross (gery@global.phy.pdx.edu)
Date: Thu Apr 10 1997 - 11:29:56 MDT

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Dear CCM users,

I often get warning messages when I transport chemical
species as tracers in CCM3, such as HNO2. The messages
look like this:

> WARNING: fixer for tracer 4 exceeded 0.10000 for
> 4 points at k,lat = 17 27 Avg/Worst = 1.41335E-01 1.91718E-01

They occur because of large concentration gradients of the
tracer in certain areas of the model atmosphere. My question is
whether I should override the fixer limit 'corm' in linemsbc.F
which is currently set to 0.1? How much 'fixing' (mass adjustment)
does the SLT transport scheme need?

Thank you very much.

Gerhard Gross.

---- If you walk in the jungle don't act like prey! ----

*****************************************************************
Gerhard W. Gross gery@global.phy.pdx.edu
Global Change Research Center or jh6gg@odin.cc.pdx.edu
Portland State University
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