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Hydraulics and Environment Department Hydraulics and Environment Department

Alphonse David Nahon

Alphonse David Nahon
Phone: 218 443 607

Professional Situation

Postdoctoral Researcher

Academic and Scientific Degrees

  • 2018 – PhD in Environmental Physics, Université de Bordeaux, France
  • 2008 – Diplôme d’Ingénieur in Numerical Modelling for Engineering, ENSEIRB-MATMECA, Bordeaux, France

Functions and Relevant Public Offices

  • Postdoctoral Researcher, project MOSAIC, at LNEC (since Nov. 2019)
  • R&D Engineer at GEOSAT, Bordeaux, France (Jul. 2018 – Aug. 2019)
  • Doctoral Researcher at BRGM / Université de Bordeaux, France (Oct. 2013 – Oct. 2018)
  • Research fellow, projects DETI and MOWADI, at LNEC (Nov. 2008 – Jun. 2012)

Areas of Research / Interest

I am interested in all aspects of geomorphology, with a particular focus on tidal inlets and barrier systems along sandy shores. I combine numerical modelling of the physical processes involved in the transport of coastal sediments, with geomorphological observations and meteocean data. My research aim to better understand relationships between climate a coastal morphdynamics, at temporal scales ranging from seasons to several decades.

Research and Professional Activity

I currently work on the development of a system for forecasting morphological evolutions of sandy shores. The main objective is to build an operational tool which would allow to reduce coastal risks during storms.

Relevant Publications

Papers in international journals
  • Nahon, A., Idier, D., Sénéchal, N., Féniès, H., Mallet, C., Mugica, J. (2019) Imprints of wave climate and mean sea level variations in the dynamics of a coastal spit over the last 250 years: Cap Ferret, SW France. Earth Surf. Process. Landforms, 44: 2112– 2125,  https://doi.org/10.1002/esp.4634.
  • Nahon, A., Molina, P., Blázquez, M., Simeon, J., Capo, S., Ferrero, C. (2019) Corridor Mapping of Sandy Coastal Foredunes with UAS Photogrammetry and Mobile Laser Scanning. Remote Sens. 2019, 11, 1352, https://doi.org/10.3390/rs11111352.
  • Fortunato, A.B., Nahon, A., Dodet, G., Pires, A.R., Freitas, M.C., Bruneau, N., Azevedo, A., Bertin, X., Benevides, P., Andrade, C., Oliveira, A. (2014) Morphological evolution of an ephemeral tidal inlet from opening to closure: The Albufeira inlet, Portugal, Continental Shelf Research, Vol: 73, pp. 49-63, https://doi.org/10.1016/j.csr.2013.11.005.
  • Nahon, A., Bertin, X., Fortunato, A.B., Oliveira, A. (2012) Process-based 2DH morphodynamic modeling of tidal inlets: A comparison with empirical classifications and theories, Marine Geology, Vol. 291–294, pp. 1-11, https://doi.org/10.1016/j.margeo.2011.10.001.
Thesis
  • Nahon, A. (2018) Ongoing morphological evolution of a Holocene coastal barrier spit: the Cap Ferret, at the entrance of the Bay of Arcachon, Thèse de Doctorat, Université de Bordeaux, https://tel.archives-ouvertes.fr/tel-01936327.

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