Information   Overview Conference Themes Conference History Scientific Tours Press Contacts Venue Visas Scientific Committee Planning Committee Poster Information Hosts Sponsors Supporting Businesses Download Schedule Charles Keeling Tellus Help      Latest Comments · Re: Conference Feedback by Georgii.Alexandrov · Re: Conference Feedback by Peter.Koehler · Re: Conference Feedback by Ankur.Desai · Re: Conference Feedback by guest · Re: Conference Feedback by Steven.Oncley · Re: THE CHANGING CARBON CYCLE by Jose.Navar-Chaidez · Re: PERSISTENCE OF NITROGEN LIMITATION OVER TERRESTRIAL CARBON UPTAKE by Jose.Navar-Chaidez · Re: SPATIAL AND TEMPORAL PATTERNS OF CO2, CH4 AND N2O FLUXES IN THE TERRESTRIAL ECOSY by Georgii.Alexandrov · Re: CLIMATE CHANGE: DESIGNING AN EFFECTIVE RESPONSE by Connie.Uliasz · Re: CLIMATE CHANGE: DESIGNING AN EFFECTIVE RESPONSE by Jonathan.Callahan The comments are owned by the poster. We aren't responsible for their content. No Comments Allowed for Anonymous Viewers, please login Re: An Empirical Estimate of the Southern Ocean Air-Sea CO2 Flux (Score 2, Informative) by Ben.McNeil on Tuesday, September 27 @ 12:14:31 MDT (User Info) Thanks for the comment Frank and it seems to be an on-going debate as to which carb constants to use. Yes, the method we use is vulnerable to which constants you use.  It seems to me from my experience that there isn't one set of carb constants which are optimal over the entire ocean - and there are regionally dependencies. The uncertainties in DIC and ALK were included in the analysis and yes further south the uncertainty in the pco2 is +/-20ppm but  that varies significantly over the Southern Ocean down to +/-10ppm in the SAZ.The best way to determine the optimal carb constants in the Southern ocean is to have 3 or more measurements on the same bottle (ie DIC, ALK, pCO2, ph) - and what Sabine/Feely tell me that NOAA cruises nowadays measure 3-4 carbon parameters per bottle and we will be able to really constrain the 'optimal' constants to use in the future.  When this happens, the uncertainty in this methodology will decrease dramatically. Your work is extremely valluable in this context and I would definitely like to talk to you more about this.  | Parent

The 7th International CO₂ Conference
The Omni Interlocken Resort
September 25th - 30th
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