Articles | Volume 17, issue 4
Research article
20 Aug 2021
Research article |  | 20 Aug 2021

Contribution of buoyancy fluxes to tropical Pacific sea level variability

Patrick Wagner, Markus Scheinert, and Claus W. Böning

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Cited articles

Barnier, B., Madec, G., Penduff, T., Molines, J. M., Treguier, A. M., Le Sommer, J., Beckmann, A., Biastoch, A., Böning, C., Dengg, J., Derval, C., Durand, E., Gulev, S., Remy, E., Talandier, C., Theetten, S., Maltrud, M., McClean, J., and De Cuevas, B.: Impact of partial steps and momentum advection schemes in a global ocean circulation model at eddy-permitting resolution, Ocean Dynam., 56, 543–567,, 2006. a
Carret, A., Llovel, W., Penduff, T., and Molines, J. M.: Atmospherically Forced and Chaotic Interannual Variability of Regional Sea Level and Its Components Over 1993–2015, J. Geophys. Res.-Ocean., 126, 1–15,, 2021. a
Close, S., Penduff, T., Speich, S., and Molines, J. M.: A means of estimating the intrinsic and atmospherically-forced contributions to sea surface height variability applied to altimetric observations, Prog. Oceanogr., 184, 102314,, 2020. a
Copernicus Marine Environment Monitoring Service: Global Ocean Gridded L4 Sea Surface Heights and Derived Variables Reprocessed,, last access: 7 August 2018. 
Fichefet, T. and Maqueda, M. A. M.: Sensitivity of a global sea ice model to the treatment of ice thermodynamics and dynamics, J. Geophys. Res.-Ocean., 102, 12609–12646,, 1997. a
Short summary
We analyse the importance of local heat and freshwater fluxes for sea level variability in the tropical Pacific on interannual to decadal timescales by using a global ocean model. Our results suggest that they amplify sea level variability in the eastern part of the basin and dampen it in the central and western part of the domain. We demonstrate that the oceanic response allows local sea level anomalies to propagate zonally which enables remote effects of local heat and freshwater fluxes.