Heat advection processes leading to El Niño events as depicted by an ensemble of ocean assimilation products

Journal of Geophysical Research: Oceans

Volumn 121, Issue 6, 2016, Pages 3710-3729

  Ballester, Joan ^a,b   Bordoni, Simona ^b   Petrova, Desislava ^a   Rodó, Xavier ^a,c  

^a Climate Dynamics and Impacts Unit Institut Català de Ciències del Clima IC3   (Spain)

^b CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

^c INSTITUCIÓ CATALANA DE RECERCA I ESTUDIS AVANÇATS ICREA   (Spain)

Author keywords

El Ni o; ENSO; heat advection; heat buildup; La Ni a; recharge phase

Indexed keywords

ADVECTION; DISEQUILIBRIUM; EKMAN TRANSPORT; EL NINO; EL NINO-SOUTHERN OSCILLATION; HEAT BUDGET; LA NINA; MASS TRANSPORT; SPATIOTEMPORAL ANALYSIS; TEMPERATURE GRADIENT; THERMOCLINE; UNDERCURRENT; UPPER OCEAN;

PACIFIC OCEAN; PACIFIC OCEAN (CENTRAL); PACIFIC OCEAN (EQUATORIAL); PACIFIC OCEAN (WEST);

EID: 84973659149     PISSN: 21699275     EISSN: 21699291     Source Type: Journal    
DOI: 10.1002/2016JC011718     Document Type: Article

References (34)

1. An, S. I., and F. F. Jin (2001), Collective role of thermocline and zonal advective feedbacks in the ENSO mode, J. Clim., 14, 3421–3432.
2. Ballester, J., M. A. Rodríguez-Arias, and X. Rodó (2011), A new extratropical tracer describing the role of the western Pacific in the onset of El Niño: Implications for ENSO understanding and forecasting, J. Clim., 24, 1425–1437.
3. Ballester, J., J. C. Burns, D. Cayan, Y. Nakamura, R. Uehara, and X. Rodó (2013), Kawasaki disease and ENSO-driven wind circulation, Geophys. Res. Lett., 40, 2284–2289, doi:10.1002/grl.50388.
4. Ballester, J., S. Bordoni, D. Petrova, and X. Rodó (2015), On the dynamical mechanisms explaining the western Pacific subsurface temperature buildup leading to ENSO events, Geophys. Res. Lett., 42, 2961–2967, doi:10.1002/2015GL063701.
5. Ballester, J., S. Bordoni, D. Petrova, and X. Rodó (2016),El Niño dynamics and long lead climate forecasts, Climanosco, in press.
6. Balmaseda, M. A., A. Vidard, and D. L. T. Anderson (2008), The ECMWF Ocean Analysis System: ORA-S3, Mon. Weather Rev., 136, 3018–3034.
7. Balmaseda, M. A., K. Mogensen, F. Molteni, and A. T. Weaver (2010), The NEMOVAR-COMBINE ocean re-analysis, COMBINE Tech. Rep. 1. [Available at http://www.combine-project.eu/fileadmin/user_upload/combine/tech_report/COMBINE_TECH_REP_n01.pdf.]
8. Balmaseda, M. A, K. Mogensen and, A. T. (2013), Weaver evaluation of the ECMWF ocean reanalysis system ORAS4. Q. J. R. Meteorol. Soc. 139, 1132–1161.
9. Battisti, D. S. (1988), Dynamics and thermodynamics of a warming event in a coupled tropical atmosphere-ocean model, J. Atmos. Sci., 45, 2889–2919.
10. Bjerknes, J. (1969), Atmospheric teleconnections from the equatorial Pacific, Mon. Weather Rev., 97, 163–172.
11. Brown, J. N., and A. V. Fedorov (2010), How much energy is transferred from the winds to the thermocline on ENSO time scales?, J. Clim., 23, 1563–1580.
12. Brown, J. N., A. V. Fedorov, and E. Guilyardi (2011), How well do coupled models replicate ocean energetics relevant to ENSO?, Clim. Dyn., 36, 2147–2158.
13. Carton, J. A., and B. S. Giese (2008), A reanalysis of ocean climate using simple ocean data assimilation (SODA), Mon. Weather Rev., 136, 2999–3017.
14. CPC (2015), Cold and Warm Episodes by Season. [Available at http://www.cpc.ncep.noaa.gov/products/analysis_monitoring/ensostuff/ensoyears.shtml, last accessed Jan. 2015.]
15. Fedorov, A. V., and J. Brown (2009), Equatorial waves, in Encyclopedia of Ocean Sciences, 2nd ed., edited by J. Steele, pp. 3679–3695, Academic Press, Elsevier Science, U. K.
16. Hsin, Y. C., and B. Qiu (2012), The impact of Eastern-Pacific versus Central-Pacific El Niños on the North Equatorial Countercurrent in the Pacific Ocean, J. Geophys. Res., 117, C11017, doi:10.1029/2012JC008362.
17. Izumo, T. (2005), The equatorial undercurrent, meridional overturning circulation, and their roles in mass and heat exchanges during El Niño events in the tropical Pacific ocean, Ocean Dyn., 55, 110–123.
18. Jin, F. F. (1997a), An equatorial ocean recharge paradigm for ENSO. Part I: Conceptual model, J. Atmos. Sci., 54, 811–829.
19. Jin, F. F. (1997b), An equatorial ocean recharge paradigm for ENSO. Part II: A stripped-down coupled model, J. Atmos. Sci., 54, 830–847.
20. Jin, F. F., and S. I. An (1999), An thermocline and zonal advective feedbacks within the equatorial ocean recharge oscillator model for ENSO, Geophys. Res. Lett., 26, 2989–2992.
21. Jin, F. F., and D. J. Neelin (1993), Modes of Interannual Tropical Ocean–Atmosphere Interaction—A Unified View. Part I: Numerical Results, J. Atmos. Sci., 50, 3477–3503.
22. Jin, F. F., S. T. Kim, and L. Bejarano (2006), A coupled-stability index for ENSO, Geophys. Res. Lett., 33, L23708, doi:10.1029/2006GL027221.
23. Köhl, A., and D. Stammer (2008), Variability of the meridional overturning in the North Atlantic from the 50-year GECCO state estimation, J. Phys. Oceanogr., 38, 1913–1930.
24. Meinen, C. S., and M. J. McPhaden (2000), Observations of warm water volume changes in the equatorial Pacific and their relationship to El Niño and La Niña, J. Clim., 13, 3551–3559.
25. Petrova, D., S. J. Koopman, J. Ballester, and X. Rodó (2016), Improving the long-lead predictability of El Niño using a novel forecasting scheme based on a dynamic components model, Clim. Dyn., doi:10.1007/s00382-016-3139-y.
26. Ray, S., D. Swingedouw, J. Mignot, and E. Guilyardi (2015), Effect of surface restoring on subsurface variability in a climate model during 1949-2005, Clim. Dyn., 44, 2333–2349.
27. Santoso, A., S. McGregor, F. F. Jin, W. Cai, M. H. England, S. I. An, M. J. McPhaden, and E. Guilyardi (2013), Late-twentieth-century emergence of the El Niño propagation asymmetry and future projections, Nature, 504, 126–130.
28. Schopf, P. S., and M. J. Suarez (1988), Vacillations in a coupled ocean-atmosphere model, J. Atmos. Sci., 45, 549–566.
29. Singh, A., and T. Delcroix (2013), Eastern and Central Pacific ENSO and their relationships to the recharge/discharge oscillator paradigm, Deep Sea Res., Part I, 82, 32–43.
30. Trenberth, K. E., and T. J. Hoar (1996), The 1990-1995 El Niño-Southern Oscillation Event: Longest on Record, Geophys. Res. Lett., 23, 57–60.
31. Wang, B. (2002), Kelvin waves, in Encyclopedia of Atmospheric Sciences, edited by M. Shankar, pp. 1062–1068, Elsevier, Amsterdam.
32. Wyrtki, K. (1975), El Niño—The dynamic response of the equatorial Pacific Oceanto atmospheric forcing, J. Phys. Oceanogr., 5, 572–584.
33. Yu, J. Y., and C. R. Mechoso (2001), A coupled atmosphere–ocean GCM study of the ENSO cycle, J. Clim., 14, 2329–2350.
34. Yu, Z., J. P. McCreary, W. S. Kessler, and K. A. Kelly (2000), Influence of equatorial dynamics on the Pacific North Equatorial Countercurrent, J. Phys. Oceanogr., 30, 3179–3190.