Articles | Volume 14, issue 4
Ocean Sci., 14, 589–616, 2018
Ocean Sci., 14, 589–616, 2018

Research article 10 Jul 2018

Research article | 10 Jul 2018

Atlantic Meridional Overturning Circulation at 14.5° N in 1989 and 2013 and 24.5° N in 1992 and 2015: volume, heat, and freshwater transports

Yao Fu et al.

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Cited articles

Albatross IV data: the R/V Albatross IV data along the 14.5 N section in 1989, available at:, last access: 1 October 2017. 
Arhan, M., Mercier, H., Bourlès, B., and Gouriou, Y.: Hydrographic sections across the Atlantic at 730 N and 430 S, Deep-Sea Res., 45, 829–872,, 1998. 
Atkinson, C. P., Bryden, H. L., Hirschi, J. J.-M., and Kanzow, T.: On the seasonal cycles and variability of Florida Straits, Ekman and Sverdrup transports at 26 N in the Atlantic Ocean, Ocean Sci., 6, 837–859,, 2010. 
Atkinson, C. P., Bryden, H. L., Cunningham, S. A., and King, B. A.: Atlantic transport variability at 25 N in six hydrographic sections, Ocean Sci., 8, 497–523,, 2012. 
Baringer, M. O. and Larsen, J. C.: Sixteen years of Florida current transport at 27 N, Geophys. Res. Lett., 28, 3179–3182,, 2001. 
Short summary
Hydrographic analysis in the Atlantic along 14.5° N and 24.5° N shows that between the periods of 1989/92 and 2013/15, the Antarctic Intermediate Water became warmer and saltier at 14.5° N, and that the Antarctic Bottom Water became lighter at both latitudes. By applying a box inverse model, the Atlantic Meridional Overturning Circulation (AMOC) was determined. Comparison among the inverse solution, GECCO2, RAPID, and MOVE shows that the AMOC has not significantly changed in the past 20 years.