Stéphanie Dumont

 
 

Profile

Research Group: RG3 – Solid Earth dynamics
Position at IDL: Researcher
Job: Researcher 
Email: ssdumont@ciencias.ulisboa.pt
Academic Degree and field of specialization: PhD geophysics 

Scientific Informations

SCOPUS ID: https://www.scopus.com/authid/detail.uri?authorId=36820840400

Google Scholar: https://scholar.google.pt/citations?user=FC8iALAAAAAJ&hl=en&oi=ao

Scientific Interests

Main Interests: 

  • Geophysical methods (gravimetry, self-potential, InSAR..); 

  • Dynamics and structure of volcanic and hydrothermal systems; 

  • Modulation of volcanic activity by external forcing (tides, sea-level, polar motion, ...) at different time scales;

  • Magmato-tectonic interactions and rifting processes;

  • Natural hazards;

Top 10 Publications: 

  • Le Mouël, J. L., Gibert, D., Courtillot, V., Dumont, S., de Bremond Ars, J., Petrosino, S., Zuddas, P., Lopes, F., Boulé, J-B., Neves, M.C, Custódio, S., Silveira, G., Kossobokov, V., Coen, L. & Geze, M. (2023). On the external forcing of global eruptive activity in the past 300 years. Front. Earth Sci. 11,  https://doi.org/10.3389/feart.2023.1254855

  • Lordi, A. L., Neves, M. C., Custódio, S., & Dumont, S. (2023). Evidence of earthquake seasonality in the Azores Triple Junction. Geo-Marine Letters, 43(1), 6.

  • Dumont S., Petrosino S., and Neves M.C, (2022). On the link between global volcanic activity and global sea level. Front. Earth Sci., 10:845511, doi:10.3389/feart.2022.845511

  • Petrosino S. and Dumont S. (2022). Tidal modulation of hydrothermal tremor: examples from Ischia and Campi Flegrei volcanoes, Italy. Front. Earth Sci., 9:775269. doi: 10.3389/feart.2021.775269 

  • Dumont S., Silveira G., Custódio S., Lopes F., Le Mouël J-L., Gouhier M., Guéhenneux Y. (2021). Response of Fogo volcano (Cape Verde) to lunisolar gravitational forces during the 2014-2015  eruption. Phys. Earth Planet Int., 312. https://doi.org/10.1016/j.pepi.2021.106659

  • Dumont S., Le Mouël J-L., Courtillot V., Lopes F., Sigmundsson F., Coppola D., Eibl PS. and Bean C.J. (2020). On the forcing of a long-lasting eruption by earth tides. Earth Plan. Sc. Letter, 536. http://doi.org/10.1016/j.epsl.2020.116145

  • Sigmundsson, F., Hooper, A., Hreinsdóttir, S., Vogfjörd, K. S., Ófeigsson, B. G., Heimisson, E. R., Dumont, S.,  Parks, M. et al. (2015). Segmented lateral dyke growth in a rifting event at Bárðarbunga volcanic system, Iceland. Nature, 517(7533), 191-195. https://doi.org/10.1038/nature14111

  • Witham C., Barsotti S., Dumont S., Oddsson B., & Sigmundsson F. (2020). Practising an explosive eruption in Iceland: outcomes from a European exercise. J. Applied Volcanol., 9(1), 1-16.  https://doi.org/10.1186/s13617-020-0092-6.

  • Dumont S., Klinger Y., Socquet A., Escartín J., Grandin R., Jacques E., Medynski S., Doubre C., 2019. Rifting Processes at a Continent-Ocean Transition Rift Revealed by Fault Analysis: Example of Dabbahu-Manda-Hararo Rift (Ethiopia), Tectonics, 38. https://doi.org/10.1029/2018TC005141

  • Dumont, S., Klinger, Y., Socquet, A., Doubre, C., & Jacques, E. (2017). Magma influence on propagation of normal faults: Evidence from cumulative slip profiles along Dabbahu-Manda-Hararo rift segment (Afar, Ethiopia). Journal of Structural Geology, 95, 48-59. https://doi.org/10.1016/j.jsg.2016.12.008

Projects (10 most relevant): 

  • 2022 – 2024:  Member – GEMMA (PTDC/CTA-GEO/2083/2021) FCT-funded project  (PI: Rui Fernandes)

  • 2021 -  2023: Co-Principal Investigator – RESTLESS (PTDC/CTA-GEF/6674/2020) FCT-funded project (PI: Susana Custódio)

  • 2019 -2022:  Principal Investigator -- SHAZAM (PTDC/CTA- GEO/31475/2017—POCI-01-0145-FEDER-031475) FCT-funded project 

  • 2016-2020: Task leader --  FIRE (PTDC/GEO-GEO/1123/2014) FCT-funded project  (PI: Rui Fernandes)

  • 2013-2016: Postdoctoral fellow and scientific manager -- FUTUREVOLC FP7 project (PI: Freysteinn Sigmundsson, Iceland)

Books & Chapters (up to 10): 

Book Chapter

  • Dumont S., Custódio S., Petrosino S., Thomas A. and Sottili G., 2023. Tides, Earthquakes and Volcanic eruptions. In: A Journey through tides. Eds: M. Green and J.C. Duarte (Elsevier). https://doi.org/10.1016/B978-0-323-90851-1.00008-X

  • Sigmundsson F., Parks M.M., Pedersen R., Jónsdóttir K., Ófeigsson B.G., Grapenthin R., Dumont S., Einarsson P., Drouin V., Heimisson E.R., Hjartardóttir Á.R., Guðmundsson M.T., Geirsson H., Hreinsdóttir S., Sturkell E., Hooper A., Högnadóttir Þ., Vogfjörð K., Barnie T., Roberts M.J., 2018. Magma Movements in Volcanic Plumbing Systems and their Associated Ground Deformation and Seismic Patterns. In : Volcanic and Igneous Plumbing Systems. Eds: Steffi Burchardt (Elsevier). https://doi.org/10.1016/B978-0-12-809749-6.00011-X

Special Isue

  • Dumont, S., Feuillet, N., Petrosino, S., & Pyle, D. M. (Eds.), 2022. External forcing on volcanoes and volcanic processes: Observations, analysis and implications. Lausanne: Frontiers Media SA. https://doi.org/10.3389/978-2-83250-080-4

Conferences (last 15 presentations): 

  • Dumont, S., Salerno, G., Selva, C., Cannata, A., Liuzzo, M., Ramalho, R.S. Deciphering the influence of ocean tides on the eruptive activity of Mount Etna (Sicily, Italy). XI CNG, Coimbra (Portugal), July 2023.

  • Candeias, C., Rocha, F., Dumont, S., Maineult, A., Ramalho, R, Madeira, J., Antunes, J. Investigating the hydrothermal activity at Fogo volcano (Cape Verde) using geochemical analysis of soil samples. XI CNG, Coimbra (Portugal), July 2023

  • Dos Reis Oliveira B., Ponte de Lira C., Heleno S. & Dumont S. Geomorphic analyses of drainage network for evaluating the active tectonic activity in Ghana. 10◦ AHPGG, Toledo (Spain), 28 Nov- 1 Dec 2022.

  • Almeida, J., Riel, N., Neres, M., Custódio, S., Dumont, S. Numerical modelling of lithosphere-asthenosphere interaction and intraplate deformation in the Gulf of Guinea. EGU General Assembly Conference Abstracts (pp. EGU22-5076), May 2022.

  • Dumont, S., Carvalho, J., Silveira, G., & Ramalho, R.S. 3D-ambient noise Rayleigh wave tomography of Fogo volcano, Cape Verde. EGU General Assembly (EGU22-10470), May 2022.

  • Dumont S., Silveira G., Custódio S., Lopes F., Le Mouël J-L., Gouhier M., Guéhenneux Y. On the tidal influence of the 2014-2015 Fogo eruption (Cape Verde) and the characterization of the volcano response to this external forcing. vVMSG, 6-8 January 2021.

Awards: 

  • 2022 – 2028: FCT Auxiliar Researcher – CEEC Individicual (2021.00876.CEECIND)

  • 2016 – 2022: FCT postdoctoral fellowship (SFRH/BPD/117714/2016)