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Re: perturbation calculations and alkalinity



Dear Christoph,

Sounds interesting.  Please send me a copy of your manuscript.

Thanks,

James Orr

On Fri, 27 Oct 2000, christoph voelker wrote:

> 
> Dear OCMIPers,
> those of you making perturbation CO2 simulations might be interested
> in a generalization of the Sarmiento et al. (1992) formula for calculating
> dpCO2 from dDIC (also in Siegenthaler and Joos (1992)):
> The generalization takes into account variations in salinity and alkalinity,
> making use of empirical relations between T,S, and Alk. 
> The main effect is an increase in surface anthropogenic CO2 in the subtropical
> gyres by up to 8%, due to the higher salinity and alkalinity there,  and a
> slight decrease in high latitudes. The effect on total inventories of
> anthrop. CO2, is quite small (2% increase in my Atlantic only
> simulations), though. I have a small manuscript on this, anyone interested
> can get it from me by email. 
> 
> Greetings, Christoph 
> 
> 
> **********************************************************
> Dr. Christoph Voelker 
> Institut fuer Meereskunde an der Universitaet Kiel
> Duesternbrooker Weg 20, 24105 Kiel, Germany
> Tel. ++49 431 597 3877      email cvoelker@ifm.uni-kiel.de
> **********************************************************
> 
> 

======================================================================
   James Orr                      
   Laboratoire des Sciences du Climat et de l'Environnement
   Unite Mixte de Recherche CEA-CNRS

   LSCE, CEA Saclay                http://www.ipsl.jussieu.fr/~jomce
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