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Thierry Delcroix

Par Thierry Delcroix — Dernière modification 24/01/2017 14:12

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Thierry Delcroix

photo d'identité Thierry Delcroix

Directeur de Recherche, IRD

Address: LEGOS

14 avenue Edouard BELIN

Email : thierry.delcroix @
Téléphone : 00-33 -5-61-33-30-01
Fax: 00-33-5-61-25-32-05

Researcher ID


Background and Employment History :

- 1980 : DEA (M/S), University of Paris VI, France
- 1983 : Ph. D., University P. and M. Curie, Paris VI, France
- 2007 : HDR, University P. Sabatier, Toulouse, France

- 1981-1983: MNHN, Paris, France
- 1984 : SCRIPPS, La Jolla, USA
- 1985 : ORSTOM Center, Brest, France
- 1986-2001 : IRD Center, Noumea, New Caledonia
- Since 2002 : IRD / LEGOS, Toulouse, France

Research interests :

- Observing and understanding the El Nino Southern Oscillation (ENSO) phenomenon
- Low frequency modulation of ENSO, and decadal variations
- Sea Surface Salinity and climate variability

Peer-reviewed articles:



- Piton, V., and T. Delcroix. Seasonal to interannual (ENSO) climate variability and trends in Vietnam and South China Sea in the last decades. Submitted to the J. Geophys. Res. (2017).


- Boutin, Y. Chao, W.E. Asher, T. Delcroix, R. Drucker, K. Drushka, N. Kolodziejczyk, T. Lee, N. Reul, G. Reverdin, J. Schanze, A. Soloviev, L. Yu, J. Anderson, L. Brucker, E. Dinnat, A.S. Garcia, W.L. Jones, C. Maes, T. Meissner, W. Tang, N. Vinogradova, and B. Ward, 2016. Satellite and in Situ Salinity: Understanding Stratification and Sub-Footprint Variability. Bull. Amer. Met. Soc., 97, 1391-1407, doi: 10.1175/BAMS-D-15-00032.1. (pdf, 4.5 Mo)


- Alory, G., T. Delcroix, and I. Dadou, 2015. Reproduire le phénomène El Nino à échelle réduite. La Météorologie, vol. 89, 11-14, doi:10.4267/2042/56592. (pdf, 0.2 Mo)

- Alory G., T. Delcroix, P. Téchiné, D. Diverrès, D. Varillon, S. Cravatte, Y. Gouriou, J. Grelet, S. Jacquin, E. Kestenare, C. Maes, R. Morrow, J. Perrier, G. Reverdin, and F. Roubaud, 2015. The French contribution to the Voluntary Observing Ships network of Sea Surface Salinity. Deep Sea Res., 105, 1-18, doi:10.1016/j.DSR.2015.08.005. (pdf. 8.8 Mo)

- Tchilibou, M., T. Delcroix, G. Alory, S. Arnault, and G. Reverdin, 2015. Variations of the Tropical Atlantic and Pacific SSS minimum zones and their relations to the ITCZ and SPCZ rain bands (1979-2009). J. Geophys. Res., 120, 5090-5100, doi:10.1002/2015JC010836. (pdf, 4 Mo)

- Palanisamy, H., A. Cazenave, T. Delcroix, and B. Meyssignac, 2015. Spatial trend patterns in Pacific Ocean sea level during the altimetry era: the contribution of thermocline depth and internal climate variability. Ocean Dynamics, doi:10.1007/s10236-014-0805-7. (pdf, 13 Mo)

- Palanisamy, H., B. Meyssignac, A. Cazenave, and T. Delcroix, 2015. Is anthropogenic sea level fingerprint already detectable in the Pacific Ocean? Env. Res. Let., 10(2015)084024, doi:10.1088/10/8/084024.(pdf, 1.4 Mo)


- Delcroix T., M. H. Radenac, S. Cravatte, G. Alory, L. Gourdeau, F. Léger, A. Singh and D. Varillon, 2014. Sea surface temperature and salinity seasonal changes in the western Solomon and Bismarck Seas. J. Geophys. Res., ("Western Pacific Ocean Circulation and Climate" Special Number), 119, doi:10.1002/2013JC009733. (pdf, 7.2 Mo)

- Hasson, A., T. Delcroix, J. Boutin, R. Dussin, and J. Ballabrera-Poy, 2014. Analyzing the 2010-2011 La Nina signature in the tropical Pacific sea surface salinity, using in situ data, SMOS observations and a numerical model. J. Geophys. Res., ("Early scientific results from the salinity measuring satellites Aquarius/SAC-D and SMOS" Special Number),119, 3855-3867, doi:10.1002/2013JC009388. (pdf, 2,9 Mo).


- Hasson, A., T. Delcroix, and R. Dussin, 2013. An assessment of the mixed layer salinity budget in the tropical Pacific Ocean. Observations and modelling (1990-2009). Ocean Dynamics, 63:179-194, doi:10.1007/s10236-013-0596-2. (pdf, 2 Mo)

- Hasson, A., T. Delcroix, and J. Boutin, 2013. Formation and variability of the South Pacific sea surface salinity maximum in recent decades. J. Geophys. Res., 118, doi:10.1002/jgrc.20367. (pdf, 1.5 Mo)

- Singh, A., and T. Delcroix, 2013. Eastern and central Pacific ENSO and their relationships to the recharge/discharge oscillator paradigm. Deep Sea Research, 82, 32-43. (pdf, 4 Mo).


- Alory, G., C. Maes, T. Delcroix, N. Reul, and S. Illig, 2012. Seasonal dynamics of sea surface salinity off Panama: the far eastern Pacific fresh pool. J. Geophys. Res., 117, C04028, doi:10.1029/2011JC007802. (pdf, 2.8 Mo)

- Becker, M., B. Meyssignac, C. Letetrel, W. Llovel, A. Cazenave, and T. Delcroix, 2012. Sea level variations at tropical Pacific Islands since 1950. Glob. Planet. Change, 80-81, pp 85-98, doi:10.1016/j.gloplacha.2011.09.004. (pdf, 2.9 Mo)

- Cazenave, A., O. Henry, S. Munier, T. Delcroix, A. Gordon, B. Meyssignac, W. Llovel, H. Palanisamy, and M. Becker, 2012. Estimating ENSO influence on the global mean sea level, 1993-2010. Marine Geodesy, 35:sup1, 82-97 (pdf).

- Radenac, M-H., F. Léger, A. Singh, and T. Delcroix, 2012. Sea surface chlorophyll signature in the tropical Pacific during eastern and central Pacific ENSO. J. Geophys. Res., 117, C054007, doi:10.1029/2011JC007841. (pdf, 2.7 Mo)

- Terray, L., L. Corre, S. Cravatte, T. Delcroix, G. Reverdin, and A. Ribes, 2012. Near-surface salinity as Nature's rain gauge to detect human influence on the tropical water cycle. J. Climate, 25, 958-977, doi:10.1175/JCLI-D-10-05025.1. (pdf, 5.3 Mo)


- Delcroix,T., G. Alory, S. Cravatte, T. Corrège, and M. McPhaden, 2011. A gridded sea surface salinity data set for the tropical Pacific with sample applications (1950-2008). Deep Sea Res., 58, 38-48 doi:10.1016/j.dsr.2010.11.002. (pdf, 2.2 Mo)

- Singh, A., T. Delcroix, and S. Cravatte, 2011. Contrasting the flavors of El Nino Southern Oscillation using sea surface salinity observations. J. Geophys. Res., 116, C06016, doi:10.1029/2010JC006862. (pdf, 2.4 Mo)

- Singh, A., and T. Delcroix, 2011. Estimating the effects of ENSO upon the observed freshening trends of the western Tropical Pacific Ocean. Geophys. Res. Let., L21607, doi:10.1029/2011GL049636. (pdf, 0.6 Mo)


- Marin, F., E. Kestenare, T. Delcroix, F. Durand, S. Cravatte, G. Eldin, and R. Bourdallé-Badie, 2010. Annual reversal of the EIC in the Pacific: observations and model diagnostics. J. Phys. Oceanogr., 40, 915-933, doi:10.1175/2009JPO4318.1. (pdf, 9.4 Mo)


- Bosc C., T. Delcroix, and C. Maes. Barrier layer variability in the western Pacific warm pool from 2000-2007. J. Geophys. Res., 114, C06023, doi:10.1029/2008JC005187. (pdf, 3.2 Mo)

- Cravatte S., T. Delcroix, D. Zhang, M. McPhaden, and J. Leloup, 2009. Observed freshening and warming of the western Pacific warm pool. Clim. Dyn., 33:565-589, doi 10.1017/s00382-009-0526-7. (pdf, 5 Mo)

- Delcroix, T., et S. Cravatte, 2009. Le changement climatique: une réalité pour l'outre-mer français. La Météorologie, vol. 65, 33-38. (pdf, 4.3 Mo)

- Lagerloef, G., J. Boutin, Y. Chao, T. Delcroix, J. Font, P. Niiler, N. Reul, S. Riser, R. Schmitt, D. Stammer, and F. Wentz., Resolving the global surface salinity field and variations by blending satellite and in situ observations. In Proceedings of the "OceanObs’09: Sustained Ocean Observations and Information for Society" Conference (Vol. 2), Venice, Italy, 21-25 September 2009, Hall, J., Harrison D.E. and Stammer, D., Eds., ESA Publication WPP-306, 2010. (pdf, 2.6 Mo)


- Bosc, C. and T. Delcroix, 2008. Observed equatorial Rossby waves and ENSO-related warm water volume changes in the equatorial Pacific Ocean. J. Geophys. Res., 113, C06003, doi:10.1029/2007JC004613. (pdf, 0.9 Mo)


- Delcroix, T., S. Cravatte, and M. McPhaden, 2007. Decadal variations and trends in tropical Pacific sea surface salinity since 1970. J. Geophys. Res., 112, C03012, doi:10.1029/2006JC003801. (pdf, 1.5 Mo)

- Delcroix, T. De la variabilité de la salinité de surface dans l'océan Pacifique tropical: observations et analyses, Habilitation à Diriger des Recherches, Université P. Sabatier, Toulouse, France, soutenue le 24 janvier 2007.

- Reverdin, G., E. Kestenare, C. Frankignoul, and T. Delcroix, 2007. Surface salinity in the Atlantic Ocean (30S-50N). Progr. Oceanogr., 73, 311-340, doi:10.1016/j.pocean.2006.11.004. (pdf, 3 Mo)


- Gouriou, Y., T. Delcroix, and G. Eldin, 2006. Upper and intermediate circulation in the western equatorial Pacific ocean in October 1999 and April 2000. Geophys. Res. Let., 33, doi:10.1029/2006GL025941. (pdf, 0.8 Mo)

- Juillet-Leclerc, A., S. Thiria, P. Naveau, T. Delcroix, N. Le Bec, D. Blamart, and T. Corrége, 2006. SPCZ migration and ENSO events during the 20th century as revealed by climate proxies from a Fiji coral. Geophys. Res. Let, 33, doi:10.1029/2006GL025950. (pdf, 1.4 Mo)

- Maes, C., K. Ando, T. Delcroix, W. Kessler, M. McPhaden, and D. Roemmich, 2006. Observed correlation of surface salinity, temperature and barrier layer at the eastern edge of the western Pacific warm pool. Geophys. Res. Let., 33, doi:10.1029/2005GL024772. (pdf, 1.6 Mo)


- Delcroix, T., M. McPhaden, A. Dessier, and Y. Gouriou, 2005. Time and space scales for sea surface salinity in the tropical oceans. Deep Sea. Res., 52/5, 787-813, doi:10.1016/j.dsr.2004.11.012. (pdf, 2.3 Mo)


- Eldin, G., T. Delcroix, and M. Rodier, 2004. The frontal area at the eastern edge of the western equatorial Pacific warm pool in April 2001. J. Geophys. Res., 109 (C7) , doi:10.1029/2003JC002088. (pdf, 1.2 Mo)

- Kilbourne K., T. Quinn, F. Taylor, T. Delcroix, and Y. Gouriou, 2004. El Nino-Southern Oscillation-related salinity variations recorded in the skeletal geochemistry of a Porites coral from Espiritu Santo, Vanuatu. Paleoceanography, 19, PA4002, doi:10.1029/2004PA001033. (pdf, 0.6 Mo)


- Durand, F., L. Gourdeau, J. Verron and T. Delcroix, Can we improve the representation of modelled mixed-layer by assimilating surface-only satellite-derived data ? A case study for the tropical Pacific during the 1997-1998 El Nino. J. Geophys. Res., 108(C6), 3200, doi:10.1029/2002JC001603, 2003. (pdf, 1.3 Mo)


- Alory, G. and T. Delcroix, 2002. Interannual sea level changes and associated mass transports in the tropical Pacific from TOPEX-Poseidon data and linear model results (1964-1999). J. Geophys. Res ., 107, C10, 3153, doi:101029/2001JC001067. (pdf, 4.9 Mo)

- Delcroix, T. and M. McPhaden, 2002. Interannual sea surface salinity and temperature changes in the western Pacific warm pool during 1992-2000. J. Geophys. Res ., 107, C12, 8002, doi:101029/2001JC000862. (pdf, 1.7 Mo)

- Delcroix, T., and R. Murtugudde, 2002. Sea surface salinity changes in the East China Sea during 1997-2001 : influence of the Yangtze river. J. Geophys. Res ., 107, 8008, C12, doi:10.1029/2001JC000893. (pdf, 0.7 Mo)

- Durand, F., L. Gourdeau, T. Delcroix and J. Verron, 2002. Assimilation of Sea Surface Salinity in a Tropical OGCM : a Twin Experiment Approach. J. Geophys. Res. 107(C12), 8010, doi:10.1029/2001JC000849. (pdf, 0.4 Mo)

- Gouriou, Y. and T. Delcroix, 2002. Seasonal and ENSO variations of sea surface salinity and temperature in the South Pacific Convergence Zone during 1976-2000. J. Geophys. Res ., 107, C12, 8011, doi:101029/2001JC000830. (pdf, 8.1 Mo)

- Le Borgne, R., R. Barber, T. Delcroix, H. Inoue, D. Mackey, and M. Rodier, 2002. Pacific warm pool and divergence : temporal and zonal variations on the equator and their effects on the biological pump. Deep Sea Res. , 49, 2471-2512. (pdf, 1.2 Mo)


- Correge, T., T. Quinn, T. Delcroix, F. Le Cornec, J. Recy, and G. Cabioch, 2001. Little ice age sea surface temperature variability in the southwest tropical Pacific. Geophys. Res. Let., 28, 3477-3480. (pdf, 0.8 Mo)

- Lagerloef, G., and T. Delcroix, 2001. Sea surface salinity : a regional case study for the tropical Pacific. In: Observing the Ocean in the 21st Century . Edited by C. Koblinski and N. Smith. Australian Bureau of Meteorology, Melbourne, Australia, 137-148. (pdf, 0.5 Mo)

- McPhaden, M.J., T. Delcroix, K. Hanawa, Y. Kuroda, G. Meyers, J. Picaut, and M. Swenson, 2001. The El Niño/Southern Oscillation (ENSO) Observing System. In: Observing the Ocean in the 21st Century . Edited by C. Koblinski and N. Smith. Australian Bureau of Meteorology, Melbourne, Australia, 231-246. (pdf, 3.0 Mo)

- Picaut J., M. Ioualalen, T. Delcroix, F. Masia, R. Murtugudde, and J. Vialard, 2001. The oceanic zone of convergence on the eastern edge of the Pacific Warm Pool: A synthesis of results and implications for ENSO and biogeochemical phenomena . J. Geophys. Res ., 106, 2363-2386. (pdf, 7 Mo)

- Radenac, M.H., C. Menkes, J. Vialard, C. Moulin, Y. Dandonneau, T. Delcroix, C. Dupouy, A. Stoens, and P.Y. Deschamps, 2001. Impacts of dynamics on nitrate and new production in the equatorial Pacific during the 1997-98 El Niño : a synthesis from models and observations. J. Geophys. Res., 106, 23879-26889. (pdf, 6.2 Mo)

- Smith, N., R. Bailey, O. Alves, T. Delcroix, K. Hanawa, E. Harrison, B. Keeley, G. Meyers, B. Molinari, and D. Roemmich, 2001. The upper ocean thermal network. In: Observing the Ocean in the 21st Century . Edited by C. Koblinski and N. Smith. Australian Bureau of Meteorology, Melbourne, Australia, 231-246. (pdf, 0.8 Mo)


- Correge, T., T. Delcroix, J. Recy, W. Beck, G. Cabioch, and F. Le Cornec, 2000. Evidence for stronger El Niño Southern Oscillation (ENSO) in a mid-holocene massive coral. Paleoceanography, 15, 465-470. (pdf, 1.8 Mo)

- Delcroix, T., B. Dewitte, Y. duPenhoat, F. Masia, and J. Picaut, 2000. Equatorial waves and warm pool displacements during the 1992-1998 ENSO events. Observations and modelling. J. Geophys. Res., 105, 26045-26062. (pdf, 5 Mo)

- Durand, F. and T. Delcroix, 2000. On the Variability of the Tropical Pacific Thermal Structure during the 1979-96 period, as Deduced from XBT Sections. J. Phys. Oceanogr., 30, 3261-3269. (pdf, 0.9 Mo)

- Gourdeau, L., J. Verron, T. Delcroix, A. Busalacchi, and R. Murtugudde, 2000. Assimilation of TOPEX/Poseidon altimetric data in a primitive equation model of the tropical Pacific ocean, 1992-96. J. Geophys. Res., 105, 8473-8488. (pdf, 1.1 Mo)

- Lebec, N., A. Juillet-Leclerc, T. Correge, D. Blamart, and T. Delcroix, 2000. A coral delta018 record of ENSO driven sea surface salinity variability in Fiji (South Western Tropical Pacific). Geophys. Res. Let., 27, 3897-3900. (pdf, 0.8 Mo)

- Nicet, J.B., and T. Delcroix, 2000. ENSO-related precipitation changes in New Caledonia, South Western Tropical Pacific, 1969-1998. Mon. Wea. Rev., 128, 3001-3006. (pdf, 0.1 Mo)


- Alory, G. and T. Delcroix, 1999. Climatic variability in the vicinity of Wallis, Futuna, and Samoa islands (13°S-15°S; 180°-170°W). Oceano. Acta, 22, 249-263. (pdf, 1.4 Mo)


- Delcroix, T., 1998. Observed surface oceanic and atmospheric variability in the Tropical Pacific at seasonal and ENSO time scales : a tentative overview. J. Geophys. Res., 103, 18611-18633. (pdf, 73 Mo)

- Delcroix, T., and J. Picaut, 1998. Zonal displacements of the western equatorial Pacific fresh pool. J. Geophys. Res., 103, 1087-1098. (pdf, 20.6 Mo)

- Delcroix, T., L. Gourdeau, and C. Hénin, 1998. Sea surface salinity changes along the Fiji-Japan shipping track during the 1996 La Nina and 1997 El Nino period. Geophys. Res. Let., 25, 3169-3172. (pdf, 1.6 Mo)


- Delcroix, T., and O. Lenormand, 1997. ENSO signals in the vicinity of New Caledonia, South-Western Tropical Pacific. Oceanol. Acta, 20, 481-491. (pdf,0.7 Mo)


- Delcroix, T., C. Henin, V. Porte, and P. Arkin, 1996. Precipitation and sea surface salinity in the tropical Pacific. Deep Sea Res., 43, 1123-1141. (pdf, 1.9 Mo)

- Picaut, J. M. Ioualalen, C. Menkes, T. Delcroix, and M. McPhaden, 1996. Mechanism of the zonal displacements of the Pacific warm pool. Science, 274, 1486-1489. . (pdf, 18 Mo)


- Delcroix, T. and G. Eldin, 1995. Observations hydrologiques dans l'océan Pacifique tropical ouest. Campagnes SURTROPAC 1 à 17, de janvier à aout 1992; campagnes COARE156 1 à 3, d'aout à octobre 1992. Travaux et Documents Microédités 141, ISBN : 2-7099-1266-X; Editions de l'ORSTOM, Paris, 1995, 78 pages. (pdf, 73 Mo)

- Picaut, J., and T. Delcroix, 1995. Equatorial wave sequence associated with the warm pool displacement during the 1986-1989 El Nino and La Nina. J. Geophys. Res., 100, 18393-18408. (pdf, 18 Mo)


- Delcroix, T., J.P. Boulanger, F. Masia, and C. Menkes, 1994. GEOSAT-derived sea level and surface current anomalies in the equatorial Pacific during the 1986-1989 El Nino and La Nina. J. Geophys. Res., 99, 25093-25107. (pdf, 34 Mo)

- Eldin, G., T. Delcroix, C. Hénin, K. Richards, Y. duPenhoat, J. Picaut, and P. Rual 1994. Large-scale current and thermohaline structures along 165E during the COARE intensive observation period. Geophys. Res. Let., 21, 2681-2684. (pdf, 10 Mo)


- Delcroix, T., G. Eldin, M. McPhaden, and A. Morliere, 1993. Effects of westerly wind burts upon the western equatorial Pacific ocean, February-April 1991. J. Geophys. Res., 98, 16379-16385. (pdf, 0.7 Mo)

- Delcroix, T., 1993. Seasonal and interannual variability of sea surface temperatures in the tropical Pacific, 1969-1991. Deep Sea Res., 40, 2217-2228. (pdf, 0.5 Mo)


- Delcroix, T., G. Eldin, M.H. Radenac, J. Toole and E. Firing, 1992. Variations of the western equatorial Pacific ocean, 1986-1988. J. Geophys. Res., 97, 5423-5447. (pdf, 2 Mo)

- Delcroix, T., F. Masia, and G. Eldin, 1992. Comparison of profiling current meter and shipboard ADCP measurements in the western equatorial Pacific. J. Atmos. Ocean. Tech., 9, 867-871. (pdf, 0.4 Mo)

- duPenhoat, Y., T. Delcroix, and J. Picaut, 1992. Interpretation of Kelvin/Rossby waves in the equatorial Pacific from model-data intercomparison during the 1986-87 El Nino. Oceano. Acta, 15-5, 545-554. (pdf, 1.3 Mo)


- Delcroix, T., J. Picaut, and G. Eldin, 1991. Equatorial Kelvin and Rossby waves evidenced in the Pacific ocean through GEOSAT sea level and surface current anomaly. J. Geophys. Res., 96, 3249-3269. (pdf, 0.8 Mo)

- Delcroix, T., and C. Hénin, 1991. Seasonal and interannual variations of sea surface salinity in the tropical Pacific ocean. J. Geophys. Res., 96, 22135-22150. (pdf, 1.8 Mo)


- Delcroix, T., and C. Hénin, 1989. Mechanisms of subsurface thermal structure and sea surface thermohaline variability in the southwestern tropical Pacific during 1979-85. J. Mar. Res., 47, 777-812. (pdf, 1.7 Mo)


- Delcroix, T., and C. Hénin, 1988. Observations of the equatorial intermediate current in the western Pacific ocean (165°E). J. Phys. Oceanogr., 18, 363-366. (pdf, 0.3 Mo)


- Delcroix, T., 1987. Net heat gain of the tropical Pacific ocean computed from subsurface ocean data and wind stress data. Deep Sea Res., 34, 33-44. (pdf, 0.3 Mo)

- Delcroix, T., G. Eldin and C. Hénin, 1987. Upper ocean water masses and transport in the western tropical Pacific (165°E). J. Phys. Oceanogr., 17, 2248-2262. (pdf, 1.4 Mo)

- Delcroix, T., and C. Gautier, 1987. Estimates of heat content variations from sea level measurements in the central and western tropical Pacific from 1979 to 1985. J. Phys. Oceanogr., 17, 725-734. (pdf, 0.7 Mo)

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