> From [log in to unmask] Wed Jan  7 14:16:07 1998
> Subject: d13C and concentration of CO2
> To: [log in to unmask]
> 
>                 Dear list-members,
> 
> As I m still working on air pollution I would like to get the most acual
> values possible for d13C and concentration of atmospheric CO2 in
> non-polluted areas (i.e. Greenland or the poles).
> I think this should be around 330 ppm and an isotopic composition of about
> -7,5%o.
> Thank you very much.
> 
> David Widory
> Laboratoire de Geochimie des Isotopes Stables-I.P.G.P.
> Universite Paris 7-Denis Diderot
> Tour 54-64 1er etage
> 4, place Jussieu
> 75252 Paris Cedex 05
> Tel. 44 27 60 88
> Fax. 44 27 28 30


Dear David,

CO2 increased already up to 360 ppmv at Syowa Station, East Antarctica (see 
upper curve in the attachment). 
For more details see S. Aoki et al., Proc. NIPR Symp. Polar Meteorol. Glaciol. 
8, 14-18 (1994) and have a look at http://geoipx.nipr.ac.jp/~goin/co2.html

Best regards,
Guenter


________________________________________________________________________________

        Dr. Günter Schwarz
        Alfred Wegener Institute for 
        Polar and Marine Research
        Research Unit Potsdam
        P.O.Box 60 01 49
        14401 Potsdam, Germany
	
        Tel.: +331 288 2154
        Fax:  +331 288 2137
	
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