Articles | Volume 8, issue 1
Research article
22 Feb 2017
Research article |  | 22 Feb 2017

Changes in the seasonal cycle of the Atlantic meridional heat transport in a RCP 8.5 climate projection in MPI-ESM

Matthias Fischer, Daniela I. V. Domeisen, Wolfgang A. Müller, and Johanna Baehr

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Cited articles

Baehr, J., Haak, H., Alderson, S., Cunningham, S. A., Jungclaus, J. H., and Marotzke, J.: Timely detection of changes in the meridional overturning circulation at 26° N in the Atlantic, J. Climate, 20, 5827–5841, 2007.
Balan Sarojini, B., Gregory, J. M., Tailleux, R., Bigg, G. R., Blaker, A. T., Cameron, D. R., Edwards, N. R., Megann, A. P., Shaffrey, L. C., and Sinha, B.: High frequency variability of the Atlantic meridional overturning circulation, Ocean Sci., 7, 471–486,, 2011.
Barrier, N., Cassou, C., Deshayes, J., and Treguier, A.-M.: Response of North Atlantic Ocean Circulation to Atmospheric Weather Regimes, J. Phys. Oceanogr., 44, 179–201, 2014.
Bintanja, R. and Van der Linden, E.: The changing seasonal climate in the Arctic, Scientific Reports, 3, 1556,, 2013.
Böning, C. and Hermann, P.: Annual cycle of poleward heat transport in the ocean: Results from high-resolution modelling of the North and Equatorial Atlantic, J. Phys. Oceanogr., 24, 91–107, 1994.
Short summary
In a climate projection experiment with the Max Planck Institute Earth System Model (MPI-ESM), we find that a decline in the Atlantic Ocean meridional heat transport (OHT) is accompanied by a change in the seasonal cycle of the total OHT and its components. We found a northward shift of 5° and latitude-dependent shifts between 1 and 6 months in the seasonal cycle that are mainly associated with changes in the meridional velocity field rather than the temperature field.
Final-revised paper