Dr. Rebecca Hummels


Ocean Circulation and Climate Dynamics

Physical Oceanography  

Room: DW-B15
Phone: 0431 600 4110
Fax: 0431 600 4102
E-Mail: rhummels(at)geomar.de

GEOMAR | Helmholtz-Zentrum für Ozeanforschung Kiel
West shore campus
Düsternbrooker Weg 20
D-24105 Kiel

Research focus

Observation of oceanic/climate variability in the tropical Atlantic ocean on large and small scales:

     ⇒  Strength and Variability of the (South Atlantic) MOC
     ⇒  Western Boundary Circulation Systems
     ⇒  diapynal mixing processes

Personal Information

  • Date of birth: 13 October 1981
  • Place of birth: Heidelberg
  • Nationality: German
  • Maritial status: 2 children (2009, 2012)


  • since 2016           Member of SAMOC (South Atlantic MOC) Science Team
  • since 2016           Member of the DFG Kiel Cluster of Excellence "The future Ocean"
  • since 2015           Co-PI of subproject AP1.1 “Rolle des tropischen Atlantiks für Klimaschwankungen im atlantischen
    ” within the german BMBF project “RACE II"


01-02/2017     FS MARIA MERIAN, leg MSM60, ATLANTOS, South Atlantic
09-10/2015     FS METEOR, leg M119, SFB754/RACE, tropical Atlantic
04-05/2014     FS METEOR, leg M106, SFB754/RACE, tropical Atlantic
04-05/2008     FS MARIA MERIAN, leg MSM08, SFB754, tropical Atlantic
02-03/2008     N/O L’ATALANTE, leg ATA_IFMGEOMAR/4, SFB 754, tropical Atlantic
07-08/2005     N/O THALASSA, leg WMA05, subpolar North Atlantic
08-09/2004     FS METEOR, leg M62/2, CLIVAR tropical Atlantic
09-10/2002     FS METEOR, leg M59/3, SFB 460, subpolar North Atlantic
02-03/2018     FS METEOR, leg 145, SFB754, RACE II, tropical Atlantic


Reviewed Publications

Tuchen, F., P. Brandt, M. Claus, R. Hummels (2018), Deep Intraseasonal Variability in the Central Equatorial Atlantic, Journal. of Phys. Oceanogr., (submitted)

R. Kiko , A. Biastoch, P. Brandt, S. Cravatte, H. Hauss, R. Hummels, I. Kriest, F. Marin, A. M. P. McDonnell, A. Oschlies, M. Picheral, F. U. Schwarzkopf, A. M. Thurnherr, L. Stemmann (2017), Biological and physical influences on marine snowfall at the equator, Nature Geoscience, 10(11), 852ff

Hummels, R., P. Brandt, M. Dengler, J. Fischer, M. Araujo, D. Veleda, and J. V. Durgadoo (2015), Interannual to decadal changes in the western boundary circulation in the Atlantic at 11 degrees S, Geophysical Research Letters, 42(18), 7615-7622.

Hummels, R.
, M. Dengler, P. Brandt, and M. Schlundt (2014), Diapycnal heat flux and mixed layer heat budget within the Atlantic Cold Tongue, Climate Dynamics, 43(11), 3179-3199.

Schlundt, M., P. Brandt, M. Dengler, R. Hummels, T. Fischer, K. Bumke, G. Krahmann, and J. Karstensen (2014), Mixed layer heat and salinity budgets during the onset of the 2011 Atlantic cold tongue, Journal of Geophysical Research-Oceans, 119(11), 7882-7910.

Hummels, R., M. Dengler, and B. Bourles (2013), Seasonal and regional variability of upper ocean diapycnal heat flux in the Atlantic cold tongue, Progress in Oceanography, 111, 52-74.

Hummels, R., On the variability of turbulent mixing within the upper layers of the Atlantic Cold Tongue region (2012) (Doktorarbeit/PhD), Christian-Albrechts-Universität, Kiel, Germany, 155 pp.

Wade, M., G. Caniaux, Y. duPenhoat, M. Dengler, H. Giordani, and R. Hummels (2011), A one-dimensional modeling study of the diurnal cycle in the equatorial Atlantic at the PIRATA buoys during the EGEE-3 campaign, Ocean Dynamics, 61(1), 1-20.

Rhein, M., M. Dengler, J. Sultenfuss, R. Hummels, S. Huttl-Kabus, and B. Bourles (2010), Upwelling and associated heat flux in the equatorial Atlantic inferred from helium isotope disequilibrium, Journal of Geophysical Research-Oceans, 115.

Hummels, R. Bestimmung räumlicher und zeitlicher Dekorrelationsskalen basierend auf verschiedenen Datensätzen im Nordatlantik (Diplomarbeit), Christian-Albrechts-Universität, Kiel, 74 pp.

Books and Book chapters

Hummels, R. (2018), Introduction into Physical Oceanography, Book Chapter in Handbook on Marine Environment Protection; Science, Impacts and Sustainable Management, Springer, ISBN 978-3-319-60154-0, DOI 10.1007/978-3-319-60156-4 

All Publications in OceanRep:
All Publications

All Conference Contribitions: