Footnote aq

^aqSee Tanhua and Wallace 2005; Tanhua et al. 2006, 2007.

Tanhua, T. and D.W.R. Wallace. 2005. Consistency of TTO-NAS inorganic carbon data with modern measurements. Geophys. Res. Lett., 32, L14618, doi:1029/2005GL023248.

Tanhua, T., K. Bulsiewicz and M. Rhein. 2005. Spreading of overflow water from the Greenland to the Labrador Sea. Geophys. Res. Lett. 32, L10605, doi:10.1029/2002GL0227700.

Tanhua, T., A. Biastoch, A. Körtzinger, H. Lueger, C. Böning and D.W.R. Wallace. 2006. Changes of anthropogenic CO₂ and CFCs in the North Atlantic between 1981 and 2004. Global Biogeochem. Cycles GB4017, doi:10.1029/2006GB002695.