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Consignes de Sécurité et Numéros d'Urgence
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Pascal LECROART

Nom :LecroartPascal Lecroart
Prénom :Pascal
Statut :Enseignant-Chercheur UBX (Professeur HDR)
Equipe :Ecologie et Biogéochimie des Systèmes Côtiers
Adresse :UMR CNRS 5805 EPOC - OASU
Université de Bordeaux
Site de Talence - Bâtiment B18
Allée Geoffroy Saint-Hilaire
CS 50023
33615 PESSAC CEDEX
FRANCE
Téléphone(s) :
E-mail :pascal.lecroart@u-bordeaux.fr
 

Expertise / Responsabilité
diagenèse précoce, modélisation en biogéochimie sédimentaire

Activités
Diagenèse précoce. Modélisation des processus de transport et de réaction biogéochimique en régime transitoire.
Sédiments perméables.
Enregistrement sédimentaires des signaux biogéochimiques paléoclimatiques.
Chantiers: plages du Truc Vert (presqu'île du Cap Ferret) et de l'île d'Yeu ((littoral Atlantique), océan arctique.
 
Publications

Charbonnier C., Anschutz P., Abril G., Mucci A., Deirmendjian L., Poirier D., Bujan S., Lecroart P. (2022) Carbon dynamics driven by seawater recirculation and groundwater discharge along a forest-dune-beach continuum of a high-energy meso-macro-tidal sandy coast, Geochimica et Cosmochimica Acta, 317, 18-38, doi: 10.1016/j.gca.2021.10.021.

Sundby B., Anschutz P., Lecroart P., Mucci, A. (2022) Ideas and perspectives: Sea-level change, anaerobic methane oxidation, and the glacial-interglacial phosphorus cycle, Biogeosciences, 19, 1421-1434, doi: 10.5194/bg-19-1421-2022.

Mouret A., Charbonnier C., Lecroart P., Metzger E., Howa H., Deflandre B., Deirmendjian L., Anschutz P. (2020) Biogeochemistry in an intertidal pocket beach, Estuarine, Coastal and Shelf Science, 243, 106920, doi: 10.1016/j.ecss.2020.106920.

Anschutz P., Charbonnier C., Deborde J., Deirmendjian L., Poirier D., Mouret A., Buquet D., Lecroart P. (2016) Terrestrial groundwater and nutrient discharge along the 240-km-long Aquitanian coast, Marine Chemistry, 185, 38-47, doi: 10.1016/j.marchem.2016.04.002.

Bernard G., Duchene J.C., Romero-Ramirez A., Lecroart P., Maire O., Ciutat A., Deflandre B., Gremare A. (2016) Experimental assessment of the effects of temperature and food availability on particle mixing by the bivalve Abra alba using new image analysis techniques, PLoS ONE, 11(4), e0154270, doi: 10.1371/journal.pone.0154270.

Buquet D., Sirieix C., Anschutz P., Malaurent P., Charbonnier C., Naessens F., Bujan S., Lecroart P. (2016) Shape of the shallow aquifer at the fresh water - sea water interface on a high-energy sandy beach, Estuarine, Coastal and Shelf Science, 179, 79-89, doi: 10.1016/j.ecss.2015.08.019.

Charbonnier C., Anschutz P., Deflandre B., Bujan S., Lecroart P. (2016) Measuring pore water oxygen of a high-energy beach using buried probes, Estuarine, Coastal and Shelf Science, 179, 66-78, doi: 10.1016/j.ecss.2015.12.004.

Charbonnier C., Lavesque N., Anschutz P., Bachelet G., Lecroart P. (2016) Role of macrofauna on benthic oxygen consumption in sandy sediments of a hgih-energy tidal beach, Continental Shelf Research, 120, 96-105, doi: 10.1016/j.csr.2016.03.017.

Dedeh A., Ciutat A., Lecroart P., Treguer-Delapierre M., Bourdineaud J.P. (2016) Cadmium sulfide nanoparticles trigger DNA alterations and modify the bioturbation activity of tubificidae worms exposed through the sediment, Nanotoxicology, 10, 322-331, doi: 10.3109/17435390.2015.1071444.

Pascal L., Maire O., Volkenborn N., Lecroart P., Bichon S., de Montaudouin X., Gremare A., Deflandre B. (2016) Influence of the mud shrimp Upogebia pusilla (Decapoda: Gebiidea) on solute and porewater exchanges in an intertidal seagrass (Zostera noltei) meadow of Arcachon Bay: An experimental assessment, Journal of Experimental Marine Biology and Ecology, 477, 69-79, doi: 10.1016/j.jembe.2016.01.008.

Chevalier N., Savoye N., Dubois S., Lama M.L., David V., Lecroart P., Le Menach K., Budzinski H. (2015) Precise indices based on n-alkane distribution for quantifying sources of sedimentary organic matter in coastal systems, Organic Geochemistry, 88, 69-77, doi: 10.1016/j.orggeochem.2015.07.006.

Sundby B., Lecroart P., Anschutz P., Katsev S., Mucci A. (2015) When deep diagenesis in Arctic Ocean sediments compromises manganese-based geochronology, Marine Geology, 366, 62-68, doi: 10.1016/j.margeo.2015.04.005.

Bernard G., Delgard M.L., Maire O., Ciutat A., Lecroart P., Deflandre B., Duchene J.C., Gremare A. (2014) Comparative study of sediment particle mixing in a Zostera noltei meadow and a bare sediment mudflat, Marine Ecology Progress Series, 514, 71-86, doi: 10.3354/meps10961.

Charbonnier C., Anschutz P., Poirier D., Bujan S., Lecroart P. (2013) Aerobic respiration in a high-energy sandy beach, Marine Chemistry, 155, 10-21..

Charbonnier C., Anschutz P., Deflandre B., Poirier D., Bujan S., Lecroart P. (2013) Influence of physical forcings on pore waters properties of a tidal sandy beach (Truc Vert, Aquitaine, France), Proceedings Coastal Dynamics 2013, 305-314.

Anschutz P., Ciutat A., Lecroart P., Gerino M., Boudou A. (2012) Effects of Tubificid worm bioturbation on freshwater sediment biogeochemistry, Aquatic Geochemistry, 18, 475-497.

Bernard G., Gremare A., Maire O., Lecroart P., Meysman F., Ciutat A., Deflandre B., Duchene J.C. (2012) Experimental assessment of particle mixing fingerprints in the deposit-feeding bivalve Abra alba (Wood) , Journal of Marine Research , 70, 689-718, doi: 10.1357/002224012806290705.

Chassagne R., Lecroart P., Beaugendre H., Capo S., Parisot J.P., Anschutz P. (2012) Silicic acid flux to the ocean from tidal permeable sediments: a modeling approach, Computers and Geosciences, 43, 52-62.

Hanquiez V., Mulder T., Bonnel C., Gonthier E., Lecroart P. (2010) The sandy channel lobe systems in the Gulf of Cadiz: interaction between gravity processes and contour current, Sedimentary Geology, 229, 110-123.

Lecroart P., Maire O., Schmidt S., Gremare A., Anschutz P., Meysman F. (2010) Bioturbation and short lived radioisotopes, Geochimica et Cosmochimica Acta, 74, 6049-6063.

Marches E., Mulder T., Gonthier E., Hanquiez V., Cremer M., Garlan T., Lecroart P. (2010) Perched lobes formation induced by contourite construction in the Gulf of Cadiz: Interactions between gravity processes and contour currents (Algarve Margin, South Portugal), Sedimentary Geology, 229, 81-94.

Mouret A., Anschutz P., Deflandre B., Chaillou G., Hyacinthe C., Deborde J., Etcheber H., Jouanneau J.M., Gremare A., Lecroart P. (2010) Oxygen and organic carbon fluxes in sediments of the Bay of Biscay, Deep Sea Research Part I: Oceanographic Research Papers, 57, 528-540, doi: 10.1016/j.dsr.2009.12.009.

Anschutz P., Smith T., Mouret A., Deborde J., Bujan S., Poirier D., Lecroart P. (2009) Tidal sands as biogeochemical reactors, Estuarine, Coastal and Shelf Science, 84, 84-90.

Mouret A., Anschutz P., Chaillou G., Hyacinthe C., Deborde J., Lecroart P., Jorissen F., Deflandre B., Schmidt S. (2009) Benthic geochemistry of manganese in the Bay of Biscay, and sediment mass accumulation rate, Geo-Marine Letters, 29, 133-149, doi: 10.1007/s00367-008-0130-6.

Mulder T., Gonthier E., Lecroart P., Hanquiez V., Marches E., Voisset M. (2009) Sediment failures and flows in the Gulf of Cadiz (western Atlantic), Marine and Petroleum Geology, Spec. Issue, V. Gaullier et Vendeville. (eds), 26, 660-672.

Deborde J., Anschutz P., Gle C., Commarieu M.V., Lecroart P., Auby I., Maurer D., Abril G. (2008) Role of tidal pumping on nutrient cycling in a temperate lagoon (Arcachon Bay, France), Marine Chemistry, 109, 98-114.

Maire O.,Lecroart P., Meysman F.J.R., Rosenberg R., Duchene J.C., Gremare A. (2008) Methods of sediment reworking assessment in bioturbation research: a review, Aquatic Biology, 2, 219-238.

Anschutz P., Chaillou G., Lecroart P. (2007) Phosphorus diagenesis in the sediment of the Thau Lagoon, Estuarine, Coastal and Shelf Science, 72, 447-456.

Chaillou G., Anschutz P., Dubrulle C., Lecroart P. (2007) Experimental study of transient diagenesis in modern turbidites, Aquatic Geochemistry, 13, 157-172.

Deborde J., Anschutz P., Chaillou G., Etcheber H., Commarieu M.V., Lecroart P., Abril G. (2007) The dynamics of phosphorus in turbid estuaries : Example of the Gironde estuary (France), Limnology and Oceanography, 52, 862-872.

Hanquiez V., Mulder T., Lecroart P., Gonthier E., Marches E., Voisset M. (2007) High resolution seafloor images in the Gulf of Cadiz, Iberian margin, Marine Geology, 246, 42-59.

Lecroart P., Schmidt S., Anschutz P., Jouanneau J.M. (2007) Modeling sensitivity of biodiffusion coefficient to seasonal bioturbation, Journal of Marine Research, 65, 417-440.

Lecroart P., Schmidt S., Jouanneau J.M. (2007) Numerical estimation of the error of the biodiffusion coefficient in coastal sediments, Estuarine, Coastal and Shelf Science, 72, 543-552.

Marches E., Mulder T., Cremer M., Bonnel C., Hanquiez V., Gonthier E., Lecroart P. (2007) Contourite drift construction influenced by capture of Mediterranean Outflow Water deep-sea current by the Portimao submarine canyon (Gulf of Cadiz, South Portugal), Marine Geology, 242, 247-260.

Schmidt S., Gonzalez J.L., Lecroart P., Tronczynski J., Billy I., Jouanneau J.M. (2007) Bioturbation at the water-sediment interface of the Thau Lagoon: impact of shellfish farming, Aquatic Living Ressources, 20, 163-169.

Schmidt S., Jouanneau J.M., Weber O., Lecroart P., Radakovitch O., Gilbert F., Jezequel D. (2007) Sedimentary processes in the Thau Lagoon (South France): from seasonal to century time scales, Estuarine, Coastal and Shelf Science, 72, 534-542.

Mulder T., Lecroart P., Hanquiez V., Marches E., Gonthier E., Guedes J.C., Thiebot E., (...), Bujan S. (2006) The western part of the Gulf of Cadiz: Contour currents and turbidity currents interactions, Geo-Marine Letters, Special Issue on Deep-Sea Turbidite Systems on French Margins, Mulder T., ed., v. 26 (6), 31-41.

Lecroart P., Schmidt S., Jouanneau J.M., Weber O. (2005) Be-7 and Th-234 as tracers of sediment mixing on seasonal time scale at the water-sediment interface of the Thau Lagoon, Radioprotection, Suppl. 1, vol. 40, S661-S667.

Mulder T., Voisset M., Lecroart P., Le Drezen E., Gonthier E., et l'equipe embarquee Cadisar (2003) The Gulf of Cadiz: an unstable giant contouritic levee, Geo-Marine Letters, 23, 7-8..

Donnadieu Y., Lecroart P., Anschutz P., Bertrand P. (2002) Bias in the paleoceanographic time series : tests with a numerical model of U, Corg and Al burial, Paleoceanography, 17.

Mulder T., Lecroart P., Voisset M., Schanfeld J., Le Drezen E., Gonthier E., Hanquiez V., Zahn R., Faugeres J.C., Hernandez-Molina E.J., et l'equipe embarquee Cadisar (2002) The Gulf of Cadiz. A key area for understanding paleoclimate record and oceanic circulation, E.O.S. Transactions of the American Geophysical Union, 83(43), 481-488.

Lecroart P., Albarede F., Cazenave A. (1998) Erratum to 'Correlations between the geoid and the composition of the Mid-Ocean Ridge Basalt chemistry', Earth and Planetary Science Letters, 155, 251.

Lecroart P., Albarede F., Cazenave A. (1997) Correlations between the geoid and the composition of the Mid-Ocean Ridge Basalt chemistry, Earth and Planetary Science Letters, 153, 37-55.

Lecroart P., Cazenave A., Ricard Y., Thoraval C., Pyle D.G. (1997) Along-axis dynamic topography constrained by major-element chemistry, Earth and Planetary Science Letters, 149, 49-56.

 
UMR CNRS 5805 EPOC - OASU - Université de Bordeaux
Allée Geoffroy Saint-Hilaire - CS 50023 - 33615 PESSAC CEDEX - FRANCE

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