POC Coastal Oceanography

RESEARCH EXPERIENCE

Since Dec. 2010

Junior researcher at LEGOS, France

Research topic:	Influence of mesoscale and submesoscale oceanic dynamics on phytoplankton ecosystems.
	Atmosphere-ocean and physical-biogeochemical modeling and coupling.

Sept. 2008

Post-doc at CNRM/GAME, France

Supervisors:	S. Somot, M. Déqué
Research topic:	Representation of extreme events in the Mediterranean circulation. ANR project MEDUP
	Air-sea modeling and coupling, ocean modeling.

Feb. - Aug. 2008

Post-doc at ENEA, Italy

Supervisors:	V. Artale, P. Ruti, G. Sannino
Research topic:	Impact of increasing the complexity of regional ocean-atmosphere models on the representation of the Mediterranean present and future atmospheric and oceanic circulation. European project CIRCE
	Air-sea coupling, ocean modeling

Sept. 2004 - Dec. 2007

PhD student at LA, France

Supervisors:	C. Estournel, F. Diaz
Research topic:	Impact of climate change on marine circulation and planktonic ecosystems in North-Western Mediterranean Sea
	Hydrodynamical and biological modeling and coupling. More details in my PhD thesis

Jan. - May 2004

Master student at Ralph M. Parsons Laboratory, MIT, USA

Supervisors:	D. McLaughling
Research topic:	Optimization, water resources How many people can China feed? Assessed the impact of land and water constraints using optimization tools.

Sept. 2002 - Dec. 2003

Master student at Ralph M. Parsons Laboratory, MIT, USA

Supervisors:	O. S. Madsen
Research topic:	Effect of stratification due to suspended sediment on velocity and concentration profiles in turbulent flows. Investigated and parameterized the effect of stratification due to suspended sediment on velocity and concentration profiles. More details in my MS thesis

PUBLICATIONS

M. Herrmann and S. Somot (2011). Representation of wind variability and intense wind events over the Mediterranean sea using dynamical downscaling: impact of the regional climate model configuration. NHESS, under review.

Auclair F., C. Estournel, J. Floor, M. Herrmann, C. N'Guyen and P. Marsaleix (2011). A non-hydrostatic algorithm for free-surface ocean modelling. Ocean Modelling. 36, 49-70, doi:10.1029/j.ocemod.2010.09.006

M. Herrmann, F. Sevault, J. Beuvier, S. Somot (2010). What induced the exceptional 2005 convection event in the northwestern Mediterranean basin? Answers from a modeling study. J. Geophys. Res.,115, C12051, doi:10.1029/2010JC006162

J. Beuvier, F. Sevault, M. Herrmann, K. Kontoyiannis, W. Ludwig, M. Rixen, E. Stanev, K. Béranger, and S. Somot (2010). Modelling the Mediterranean Sea interannual variability over the last 40 years: focus on the Eastern Mediterranean Transient (EMT). J. Geophys. Res., 115, C08017, doi:10.1029/2009JC005950

K., Schroeder, S. Josey, M. Herrmann, L. Grignon, G. Gasparini, and H. Bryden (2010). Abrupt warming and salting of the Western Mediterranean Deep Water: atmospheric forcings and lateral advection. J. Geophys. Res., 115, C08029, doi:10.1029/2009JC005749

M. Herrmann , J. Bouffard and K. Béranger (2009). Monitoring open-ocean deep convection from space. Geophys. Res. Let., 36, L03606, http://dx.doi.org/10.1029/2008GL036422
See also Nature Research Highlights, Vol 457, 26 February 2009

V. Artale, S. Calmanti, A. Carillo, A. Dell'Aquila, M. Herrmann, G. Pisacane, P. M. Ruti, G. Sannino, M. V. Struglia, F. Giorgi, X. Bi, J. Pal, S. Rauscher (2009). An Atmosphere-Ocean Regional Climate Model for the Mediterranean area: Assessment of a Present Climate Simulation. Climate Dynamics doi:10.1007/s00382-009-0691-8

G. Sannino, M. Herrmann, A. Carillo, V. Rupolo, V. Ruggiero, V. Artale, P. Heimbach (2009). An eddy-permitting model of the Mediterranean Sea with a two-way grid refinement at Gibraltar. Ocean Modelling, 30(1), 56-72, doi:10.1016/j.ocemod.2009.06.002

P. Marsaleix, C. Ulses, I. Pairaud, M. Herrmann, J. Floor, C. Estournel, F. Auclair (2009). Open boundary conditions for internal gravity wave modelling using polarisation relations. Ocean Modelling, 29(1), 27-42, doi:10.1016/j.ocemod.2009.02.010

M. Herrmann , C. Estournel, S. Somot and M. Déqué, P. Marsaleix, F. Sevault (2008). Impact of interannual variability and climate change on dense water cascading in the Gulf of Lions. Continental Shelf Research, 28 (15), 2092-2112, http://dx.doi.org/10.1016/j.csr.2008.03.003

M. Herrmann and S. Somot (2008). Relevance of ERA40 dynamical downscaling for modeling deep convection in the North-Western Mediterranean Sea. Geophys. Res. Let., 35, L04607, http://dx.doi.org/10.1029/2007GL032442

M. Herrmann, S. Somot, F. Sevault, C. Estournel and M. Déqué (2008). Modeling deep convection in the Northwestern Mediterranean Sea using an eddy-permitting and an eddy-resolving model: case study of winter 1986-87. J. Geophys. Res. 113, C04011, http://dx.doi.org/10.1029/2006JC003991

J. Bouffard, S. Vignudelli, M. Herrmann, F. Lyard, P. Marsaleix, Y. Ménard and P. Cipollini (2008). Comparison of Ocean Dynamics with a Regional Circulation Model and Improved Altimetry in the Northwestern Mediterranean. Terr., Atm. and Oc. Sciences, http://dx.doi.org/10.3319/TAO.2008.19.1-2.117(SA)

P. Marsaleix, F. Auclair, J. Floor, M. Herrmann, C. Estournel, I. Pairaud and C. Ulses (2008). Energy conservation issues in sigma-coordinate free-surface ocean models. Ocean Modelling, 20(1), 61-89, http://dx.doi.org/10.1016/j.ocemod.2007.07.005

M. Herrmann and O.S.Madsen (2007). Effect of stratification due to suspended sand on velocity and concentration distribution in unidirectional flows J. Geophys. Res., 112, C02006, http://dx.doi.org/10.1029/2006JC003569

REPORTS

M. Herrmann. Formation and fate of water masses in the Northwestern Mediterranean sea. Impact on pelagic planktonic ecosystems. Interannual variability and climate change. PhD thesis, University Toulouse III, Dec 2007, 310p.

M. Herrmann. Effect of stratification due to suspended sediment on velocity and concentration distribution in turbulent flows. MS thesis, Massachusetts Institute of Technology, Dec 2003, 152p.

ORAL PRESENTATIONS

M. Herrmann, F. Sevault, J. Beuvier, S. Somot. Impact of the Eastern Mediterranean Transient (EMT) on the Northwestern Mediterranean Sea (NWMS) : the case of the exceptional 2004-05 convection event.
39th CIESM Congress, Venice, Italy, May 2010

M. Herrmann, F. Sevault, J. Beuvier, S. Somot. Contributions of atmospheric and oceanic conditions to the exceptional 2005 event of deep water formation in the Northwestern Mediterranean basin.
Hymex 4th workshop, Bologna, Italy, June 2010.

M. Herrmann, S. Somot, M. Déqué, A. Alias, C. Dubois Evaluation des incertitudes liées à la configuration du modèle régional de climat dans la représentation du vent en Méditerranée.
Ateliers de Modélisation de l'Atmosphère 2010, January 2010, Météo-France, Toulouse, France.

M. Herrmann, S. Somot. Long term simulations of the Mediterranean water masses using NEMOMED: how can AGRIF help ?
DRAKKAR meeting, July 2009, Brest, France.

M. Herrmann, J. Beuvier, F. Sevault, S. Somot. Investigating the exceptionnal winter 2005 deep convection event in the Western Mediterranean sea using NEMOMED8.
NEMO users meeting, June 2009., Paris, France

M. Herrmann, J. Bouffard, K. Béranger. Suivi de la convection océanique profonde depuis l'espace.
Ateliers de Modélisation de l'Atmosphère 2009, January 2009, Météo-France, Toulouse, France.

M. Herrmann, C. Estournel, F. Sevault, P. Marsaleix, M. Déqué and S. Somot, F. Sevault. Impact of interannual variability and climate change on dense water cascading in the Gulf of Lions.
ESF-MedCLIVAR 3rd workshop, Understanding the mechanisms responsible for the changes in the Mediterranean Sea circulation and sea level trends, 29 Sept. - 1 Oct. 2008, HCMR, Island of Rhodes, GREECE

M. Herrmann and S. Somot. Relevance of ERA40 dynamical downscaling for modelling deep convection in the Mediterranean sea.
Hymex 2nd meeting, Palaiseau, France, June. 2008

M. Herrmann, J. Bouffard, K. Béranger. Monitoring deep convection in the Mediterranean Sea: a multi-sensor approach.
Hymex 2nd meeting, Palaiseau, France, June. 2008

M. Herrmann and S. Somot. Relevance of ERA40 dynamical downscaling for modelling deep convection in the Mediterranean sea.
European Geosciences Union General Assembly 2008, Vienna, Austria, Apr. 2008

M. Herrmann, J. Bouffard, M. Marcos, M. Tsimplis, A. Ullmann. Monitoring deep convection in the Mediterranean Sea: a multi-sensor approach.
European Geosciences Union General Assembly 2008, Vienna, Austria, Apr. 2008

M. Herrmann, C. Estournel, S. Somot, F. Sevault. Impact of ocean model and atmospheric forcing resolutions on open-ocean convection: case study of 1968-87.
ESF-MedCLIVAR 2nd workshop, Connections between Mediterranean and global climate variability, La Londe Les Maures, France, 8-10 October 2007

M. Herrmann, C. Estournel, S. Somot, F. Sevault. Dense water formation in the Gulf of Lion: impact of interannual variability and climate change (solicited).
European Geosciences Union General Assembly 2007 , Vienna, Austria, April 2007

M. Herrmann, S. Somot, F. Sevault, C. Estournel. Impact of numerical model resolution on open-ocean convection representation: case study of winter 1986-87.
38th CIESM Congress, Istanbul, Turkey, April 2007

M. Herrmann, S. Somot, F. Sevault, C. Estournel. Modeling the deep convection in the Northwestern Mediterranean Sea using an eddy-permitting and an eddy-resolving model: case study of winter 1986-87
1er Atelier Méditerranéee HyMeX, Centre International de Conférences de Météo-France, Toulouse, Jan. 2007.

M. Herrmann, C. Estournel, F. Diaz. Modélisation de la réponse de la circulation et des éosystèmes aux variations climatiques en Méditerranéee Nord-Occidentale
Ateliers de Modélisation de l'Atmosphère 2006, Météo-France, Toulouse, France.