
Laboratoire Archéorient
Maison de l'Orient et de la Méditerranée
7, rue Raulin, F-69365 Lyon cedex 07
E-mail : gilles.brocard@mom.fr
Professeur en géographie physique, Département de Géographie et Aménagement, Université Lyon 2
- A l’aube de l’Anthropocène : effet de l’environnement géomorphologique sur les ports antiques et influence des ports antiques sur leur environnement (Méditerranée, Indonésie)
- Zone critique tropicale : effet de l’évolution du relief sur la végétation, et contrôle de l’évolution du relief par la végétation (Porto Rico, Luquillo Critical Zone Observatory)
- Facteurs contrôlant l’évolution des réseaux de rivières (Alpes, Guatemala, Anatolie, Indonésie, Nouvelle Guinée, Australie)
- Dynamique des vagues d’incision fluviale (Alpes, Porto Rico, Guatemala, Californie)
- Paléosismologie, Néotectonique (Guatemala, Anatolie)
- Géodynamique (Mer Tyrrhénienne, Guatemala)
Travaux en cours
Projet IDEX « Thalassocracies sans port : mythe ou réalité ? ». Recherche des bassins portuaires puniques et étrusques en Toscane et en Tunisie. Reconstitution de la dynamique côtière et lagunaire depuis l’Antiquité, analyse des facteurs géologiques et hydrodynamiques contrôlant la dynamique côtière.
Tyr, Liban : origine de l’abandon du port Egyptien, analyse de l’origine de l’eau à l’époque insulaire, origine de la subsidence de l’île.
Enseignement
- 2020 : Défis environnementaux pendant l’effondrement de la civilisation Maya classique (master GRAINE), Université Lyon 2
- 2019 : Principes de géomorphologie et applications de terrain(Ecole doctorale Géologie et Géographie),Université de Mexico (UNAM, Mexique)
- 2016-2017 : Géomorphologie fluviale et modélisation numérique (L3, M1), Université de Sydney (USYD, Australie)
- 2007-2009 : Géodynamique et cycle des roches (L1), Université de Lausanne (UNIL, Suisse)
- 2004 : Forces orogènes (L1), Université du Minnesota (UofM, Etats-Unis)
- 2002-2003 : Histoire géodynamique des Alpes (L3), Université de Rouen
- 2002-2003 : Introduction aux SIG (M2), Université de Rouen
- 2002-2003 : Cartographie géologique (L1), Université de Rouen
- 2002 : Pétrologie magmatique (L2), Université de Grenoble 1
- 2001 : Cartographie géologique (M1), Université de Grenoble 1
Publications
Breaking plates: creation of the Anatolian plate and tectonic escape system (2023). Whitney DL, Delph JR, Thomson SN, Beck SL, Brocard GY, Cosca MA, Darin MH, Kaymakcı N, Meijers MJM, Okay A, Rojay B, Teyssier C, Umhoefer PJ. Geology, 51, 7, 673-677, doi. 10,1130/G51211.1
Brocard G, Willenbring J, Scatena F (2023) Shaping of topography by topographically-controlled vegetation in a tropical montane rainforest. PlosOne, doi: 10.1371/journal.pone.0281835.
Dumont M, Plagnes V, Lachassagne P, Guérin R, Nughara B, Mohamad F, Oudin L, Fadillah A, Valdès D, Brocard G, Bonjour JL, Saadi M, Saadi M, Esneu AS, Muhammad S, Hendermawan, Dörfliger N (2023) Water cycle modelling strengthened by probabilistic integration of filed data for groundwater management of a quite unknown tropical volcanic hydrosystem. Comptes Rendus Géoscience, doi 10.5802/crgeos.192.
Abadie-Reynal C, Shehi E, Anastasi K, Brocard G, Goiran JP, Lefebvre A, Shkodra B, Velo K Bru H (2022). Chronique d’Orient: recherches archéologiques franco-albanaises de Dyrrachium. Résultats de la campagne de 2022. Dialogues d’Histoire Ancienne, Presse Universitaire de Franche Comté, 48/2, 407-426.
Goiran JP, Chan WM, Benech C, Vitale Q, Riddick N, Delile H, Salomon F, Chapanski S, Brocard G, Lisé-Proovonost A, Vittori C (2022) Developments in geoarchaeological research methodologies and applications in harbour maritime archaeology. Byzanz zwischen Orient und Okzident: Veröffentlichungen des Leibniz-Wissenschafts. Campus Mainz (BOO). Propylaeus Ebooks.
Chapkanski S, Le Doaré M, Brocard G, Steuer A, Siemon B, Lavigne F, Ismail N, Meilianda E, Virmoux V, Darusman D, Goiran Jean-Philippe (2022). Spatial distribution of fluvial and coastal landforms produced during the growth of the Aceh River delta. Journal of Maps. 10.1080/17445647.2022.2139203.
Chapkanski S, Brocard G, Lavigne F, Meilanda E, Ismail N, Darusman D, Goiran JP. Fingerprinting sources of beach sand by grain-size, using mid-infrared spectroscopy (MIRS) and portable XRF (2022). Implications for coastal recovery along a tsunami-struck delta coastline. Catena. https://doi.org/10.1016/j.catena.2022.106639
Authemayou C, Pedoja K, Chauveau D, Husson L, Brocard G, Delcaillau B, Perrot J, Aribowo S, Cahyarini SY, Elliot M, Natawidjaja DH, Scholz D (2022) Deformation and uplift at the transition from oceanic subduction to continent-arc collision, Sumba Island and Savu basin, Indonesia. Journal of Asian Earth Sciences. https://doi.org/10.1016/j.jseaes.2022.105316
Chapkanski S, Brocard G, Tricot C, Meilanda E, Ismail N, Majewski J, Goiran J-P, Alfian D, Daly P, Horton B, Switzer A, Degroot V, Steuer A, Siemon B, Caveo J, Virmoux C, Darusman D Lavigne F (2022). Fluvial and coastal landform changes in the Aceh River delta (Northern Sumatra) during the century leading to the 2004 Indian Ocean Tsunami. Earth Surface Proc. And Landforms, doi: 10.1002/esp.5292.
Chapkanski S, Jacq K., Brocard G, Vittori C., Debert M., D’Ottavio D., Giuffré E.-M., Goiran J.-P. (2022). Calibration of Short-Wave InfraRed (SWIR) hyperspectral imagery using Diffuse Reflectance Infrared Fourier Transform spectroscopy (DRIFTS) to obtain continuous logging of mineral abundances along sediment cores. Sedimentary Geology. Doi: 10.1016/j.sedgeo.2021.106062.
Goiran JP, Brocard G, De Graauw A, Kahwagi-Janho H, Chapkanski S (2021) Evolution of sea level at Tyre during Antiquity. BAAL 21. Direction Générale des Antiquités du Liban, 305-317.
Brocard G, Willenbring JK, Salles T, Cosca M, Guttierez A, Cacao-Chiquín N, Teyssier C. (2021). Shifting erosion from a mountain to the next: insights from sequential mountain rise in Central Guatemala. Earth Surface Dynamics 9, 795-822, doi: 10.5194/esurf-9-795-2021
Harrison E, Brocard G, Willenbring J (2021) Quaternary record of terrestrial environmental change in response to climatic forcing and anthropogenic perturbations, in Puerto Rico, Antilles. Quaternary Science Reviews. doi.org/10.1016/j.quascirev.2020.106770
Brocard G, Meijers M, Cosca M, Salles T, Willenbring J, Teyssier C, Whitney D. (2021) Fast Pliocene integration of the Central Anatolian Plateau drainage driven by surface uplift and escape tectonics. Geosphere, 17, doi.org/10.1130/GES02247.1.
Fernández-Vergara R, Fitz-Diaz E, Brocard G, Morán-Zenteno D (2020) Illite 40Ar-39Ar dating of contractional deformation in the Chiapas Fold and Thrust Belt, southern Mexico. Geological Society of London Special Publication. Doi: 10.1144/SP504-2020-75
Krystopowicz NJ, Schoenbohm LM, Rimando J, Brocard G, Rojay B (2020) Tectonic geomorphology and Plio-Quaternary structural evolution of the Tuz Gölü fault zone: Implications for deformation in the interior of the Central Anatolian Plateau. Geosphere, DOI: 10.1130/GES02175.1
Harrison E, Brocard G, Gasparini N, Lyons N, Willenbring J (2020) Seepage erosion in the Luquillo Mountains, Puerto Rico, relict landscapes. JGR Earth Surface, 16734895,DOI: 10.1029/2019JF005341
Meijers M, Brocard G, Whitney D, Mulch A. (2020) Paleoenvironment and evolution of the Miocene to Pliocene central Anatolian lake system. Geosphere, doi. 10.1130.GES02135.1
Bradley K, Mallick R, Andikagumi H, Hubbard J, Meilianda E, Switzer A, Nairong Du, Brocard G, Alfian D, Benazir B, Feng G, Yun S-H, Majewski J, Wei S, Hill EM, (2019). Wet rice cultivation was the primary cause of the earthquake-triggered Palu landslides. Nature Geoscience.https://doi.org/10.1038/s41561-019-0444-1.
Rochette P, Alaç R, Beck P, Brocard G, Cavosie A, Debaille V, Devouard B, Jourdan F, Mougel B, Moustard F, Moynier F, Nomade S, Osinski GR, Cornec J (2019) Pantasma: a Pleistocene circa 14 km diameter impact crater in Nicaragua. Meteoritics and Planetary Science.1–22. doi: 10.1111/maps.13244.
Meijers M, Brocard G, Cosca M, Lüdecke T, Teyssier C, Whitney D, Mulch A (2018) Rapid Late Miocene Surface Uplift of the Central Anatolian Plateau Margin. Earth and Planetary Research Letter, 497, 29-41.
Salles T, Ding X, Brocard G (2018) pyBadlands: a framework to simulate sediment transport, landscape dynamics and basin stratigraphic evolution through space and time. PlosOne
Salles T, Ding X, Webster J, Vila-Consejo A, Brocard G, Pall J (2018) A unified framework for modelling sediment fate from source to sink and its interactions with reef systems over geological times. Nature Scientific Reports.10.1038/s41598-018-23519-8
Meijers M, Peynircioğlu AA, Cosca M, Brocard G, Whitney D, Langereis CG, Mulch A. (2018) Climate stability in Central Anatolia during the Messinian Salinity Crisis. Palaeogeography, Palaeoclimatology, Palaeoecology. 10.1016/j.palaeo.2018.03.001
Authemayou C, Brocard G, Delcaillaux B, Molliex S, Pedoja K, Husson L (2018) Contribution of asymmetric uplift, gravitational collapse and groundwater flow to drainage reorganization, Sumba Island, Indonesia. Earth Surface Processes and Landforms.DOI: 10.1002/esp.4363.
Miller T, Brocard G, Willenbring J (2017) Flow routing in the karst of Puerto Rico. In: White WB, Herman JS, Herman EK, Rutigliano M, Karst groundwater contamination and public health, Advances in Karst Sciences, Springer 27-31.
Radwany M, Whitney DL, Brocard G, Umhoefer P, Teyssier C (2017) Ophiolite gabbro from source to sink: a record of tectonic and surface processes in Central Anatolia. Geosphere.doi: 10.1130/GES01465.1.
Wolf J, Brocard G, Willenbring J, Porder S, Uriarte M (2016). Abrupt change in forest height along a tropical elevation gradient detected using airborne LiDAR. Remote Sensing. doi:10.3390/rs8100864.
Brocard G, Anselmetti F, Teyssier C (2016) Guatemala paleoseismicity: from Late Classic Maya Collapse to recent fault creep. Nature Scientific Reports. doi: 10.1038/srep36976
Kahn NS, Ashe E, Horton BP, Dutton A, Kopp RE, Brocard G, Engelhart S, Hill D, Peltier WR, Vane CH, Scatena FN (2016). Drivers of Holocene sea-level change in the Caribbean. Quaternary Science Reviews, 155, 13-36
Higgins M, Schoenbohm LM, Brocard G, Gosse JC, Cosca M (2015) New kinematic and geochronologic evidence for the Quaternary evolution of the Central Anatolian Fault Zone (CAFZ). Tectonics, 34, 2118–2141.
McClintock MA, Brocard G, Willenbring J, Porder S, Pett-Ridge JC (2015) Spatial variability of African dust in a montane tropical landscape in Puerto Rico. Chemical Geology, 412, 69-81
Porder S, Johnson AH, Hao X, Brocard G, Goldsmith S, Pett-Ridge J (2015) Linking geomorphology, weathering and cation availability in the Luquillo Mountains of Puerto Rico. Geoderma, 249-250, 100-110.
Brocard G, Willenbring J, Scatena F. Johnson AH (2015). Effects of a tectonically-triggered wave of incision on riverine exports and soil mineralogy in the Luquillo Mountains of Puerto Rico. Journal of Applied Geochemistry, 63, 586-598.
Simon-Labric T, Brocard G, Teyssier C, Reiners PW, van der Beek PA, Shuster DL, Murray K., Whitney DL (2014). Low-temperature thermochronologic signature of range-divide migration and breaching in the North Cascades. Lithosphere. doi: 10.1130/L382.1
Brocard G, Adatte T, Magand O, Pfeifer H-R, Bettini A, Arnaud F, Anselmetti F, Morán-Ical S (2014) A 20th century flood and earthquake record in Lake Chichój, Guatemala. Journal of Paleolimnology, DOI 10.1007/s10933-014-9784-4.
Simon-Labric T, Brocard G, Teyssier C, van der Beek PA, Fellin GM, Authemayou C (2013). Preservation of contrasting geothermal gradients across the Caribbean-North America plate boundary (Motagua Fault, Guatemala). Tectonics, 23, 1-18. doi: 10.1002/tect.20060
Willenbring JK, Gasparini NM, Crosby BT, Brocard G (2013) What does a mean means? The temporal evolution of detrital cosmogenic denudation rates in transient landscapes. Geology 41, 1215-1218.
Brocard G, Willenbring J, Suski B, Audra P, Authemayou C, Cosenza-Muralles B, Morán-ICal S, Demory F, Rochette P, Vennemann T, Holliger K, Teyssier C (2012). Rates and processes of river network rearrangement during incipient faulting: the case of the Cahabón River, Guatemala. American J. of Science, 312, 449-507, doi:10.2475/05.2012.01
Authemayou C, Brocard G, Teyssier C, Suski B, Cosenza B, Morán-Ical S, González-Véliz CW, Aguilar-Hengstenberg MA, Holliger K (2012). Quaternary seismo-tectonic activity of the Polochic Fault, Guatemala. J. Geophysical Research, 117, B07403, doi: 10.1029/2012JB009444
Brocard G, Teyssier C, Dunlap WJ, Authemayou C, Simon-Labric T, Cacao-Chiquín N, Guttiérrez-Orrego A, Morán-Ical S (2011). Reorganization of a deeply incised drainage: role of deformation, sedimentation, and groundwater flow. Basin Research, 23, 6, 631-651.
Authemayou C, Brocard G, Teyssier C, Simon-Labric T, Chiquín EN, Gutierrez A, Morán-Ical S (2011). The Caribbean–North America–Cocos triple junction and the dynamics of the Polochic-Motagua fault system: a zipper model. Tectonics, 30, 3, TC3010.
Suski B, Brocard G, Authemayou C, Consenza-Muralles B, Teyssier C, Holliger K (2010). Localization and Characterization of a Seismically Active Fault in an urbanized area in Central Guatemala by Means of Geoelectrical Imaging. Tectonophysics, 480, 88-98.
Rodet J, Laignel B, Brocard G, Dupuis E, Massei N, Viard J-P (2006). Contribution of a sedimentary study to the concept of kart evolution in a chalk cave of the western Paris basin. Geologica Belgica, 9-3/4, 287-396.
Brocard G, van der Beek P (2006). Influence of bedload supply, rock strength and incision rate on bedrock river gradient and valley-flat width. Field-based evidence and calibrations from western alpine rivers (SE France). in Tectonics, climate, and landscape evolution, GSA Special Paper 398,101-125.
Hippolyte J-C, Brocard G, Tardy M, Ménard G, Nicoud G, Bourlès D, Braucher R, Souffaché B (2006). The recent fault scarps of the Western Alps (France): tectonic surface ruptures or gravitational sackung scarps? A combined mapping, geomorphic, levelling, and 10Be dating approach. Tectonophysics, 418, 3-4, 255-276.
Brocard G (2004). Le Grand Lac de Luc-en-Diois (Drôme, SE France): évaluation du volume d’un lac comblé à la lumière d’un modèle géomorphologique. Bulletin de la Société Géologique de France, 175, 3, 303-312. doi: 10.2113/175.3.303
Brocard G, van der Beek PA, Bourlès DL, Siame LL, Mugnier J-L (2003). Rates of fluvial incision and river response time in periodically glaciated catchments: 10Be cosmoisotope dating of fluvial terraces in the French Alps. Earth and Planetary Sciences Letters, 209, 197-214.
Mascle G, Tricart P, Torrelli L, Bouillin J-P, Compagnoni R, Depardon S, Mascle J, Pêcher A, Peis D, Rekhiss F, Rolfo F, Bellon H, Brocard G, Lapierre H, Monié P, Poupeau G (2004). Structure of the Sardinian Channel: crustal thinning and tardi-orogenic extension in the Apenninic-Maghrebian orogen: results of the Cyana submersible survey (SARCYA and SARTUCYA) in the Western Mediterranean. Bulletin de la Société Géologique de France, 175, 6, 607-627.
Autres publications
Goiran J.-Ph, Chan WM, Benech C, Vitale Q, Riddick N, Delile H, Salomon F, Chapanski S, Brocard G, Lisé-Proovonost A, Vittori C. (2021) Developments in geoarchaeological research methodologies and applications in harbour maritime archaeology. Byzanz zwischen Orient und Okzident: Veröffentlichungen des Leibniz-Wissenschafts. Campus Mainz (BOO). Propylaeus Ebooks.
Goiran J.-Ph, Tardy R, Brocard G (2017) Voyage avec Strabon parmi les paysages et cités d’Ionie. Histoire Antique et Médiévale, 91, 54-61.
Brocard G, Bettini A, Pfeiffer HR, Adatte T, Moran-Ical S, Vásquez O (2016) Chronology of eutrophication and chromium contamination in Lake Chichój, Guatemala. Revista Guatemalteca de Ciencias de la Tierra, 3, 20-43 (in Spanish and English)
Brocard G, Moran-Ical S, Vásquez O (2016) Natural hazards associated with the formation of Lake Chichój, Alta Verapaz, Guatemala. Revista Guatemalteca de Ciencias de la Tierra, 3, 5-19 (in Spanish and English)
Fernandez M, Ruegg J, Brocard G (2013). Un défi des gestionnaires du territoire: comment composer avec les différentes définitions des risques ? Mémoires de la Société Vaudoise de Sciences Naturelles, 25, 363-373.
Brocard G (2002) Variabilité spatio-temporelle et signature morphologique de l’incision fluviatile dans les Alpes du Dauphiné (SE France). Géologie Alpine. Mémoire H.S., 37, 165 p.
Brocard G (2001) Le Canal de Sardaigne au Néogène: analyse morphotectonique. Apport des plongées Sarcya et Sartucya et de la bathymétrie multifaisceaux. Géologie Alpine. Mémoire H.S., 34, 115-166.
Séminaires (risques, géoarchéologie)
Brocard G (2021) Vulnérabilité environnementale des cités portuaires Antiques : application à l’Etrurie dans le cadre de l’IDEX. Archéorient, Université de Lyon 2, France.
Brocard G (2019) The Palu Earthquake of September 28th 2018: surprising causes of a catastrophe. Institut Française d’Indonésie, Ecole Française d’Extrême Orient, Jakarta.
Brocard G (2018) Le séisme du 28 Septembre 2018 sur la faille de Palu-Koro aux Célèbes : observations de terrain de la surface de rupture, dépôts de tsunamis et glissements de terrain. Société géologique de Haute Normandie, Le Havre, France.
Brocard G (2014) Contaminación de sedimentos lacustres por metales pesados en el siglo 20. Ejemplos de la laguna Chichój y del lago de Izabal. Primero congreso Nacional de Geociencias Ambientales, Antigua, 11-2014
Brocard G, Authemayou C, Suski B, Cosenza-Muralles B, Fernandez M (2008) Medidas de la falla del Polochic: contribución al conocimiento de la amenaza sísmica en Alta Verapaz y Quiché. V jornada de Conferencias I. Encuentro nacional de profesionales en ciencias de la tierra –cerrando la brecha entre teoría y práctica, Cobán, Guatemala, 30-10-2008.
Posts de blogs, vulgarisation
Gilles Brocard, Cécile Vittori et Marco Leporatti-Persiano. Co-évolution d’une ville et de sa lagune : avancées du projet IMU-Orbetello, ArchéOrient - Le Blog, 16 avril 2021, [En ligne] https://archeorient.hypotheses.org/15957
Brocard, G., Van Heems, G., Benech, C., Goiran, J.-P., 2021. L’énigmatique disparition des ports étrusques. Rchrch, le magazine de la recherche, 1 : 28‑29.
2020 Pop’Science Mag, 06-2020. Université de Lyon
Les Etrusques : des marins sans port d’attache ?
https://popsciences.universite-lyon.fr/le_mag/les-etrusques-des-marins-sans-port-dattache (French)
Gilles Brocard, Jean-Philippe Goiran, Umar Syukur, Dedy Alfian, Ella Meilianda. Field investigation of an enigmatic 2018 tsunami in Indonesia, ArchéOrient – Le Blog (Hypotheses.org), 29 mars 2019. [En ligne] http://archeorient.hypotheses.org/11849
2018 The Conversation (Australie)
Aftershocks hit Papua New Guinea as it recovers from a remote major earthquake.
https://theconversation.com/aftershocks-hit-papua-new-guinea-as-it-recovers-from-a-remote-major-earthquake-94176(English)
2015 Plaza Publica (Guatemala)
Una escuela sobre la falla del Polochic
By S. Escalón,
http://www.plazapublica.com.gt/content/una-escuela-sobre-la-falla-del-polochic
2010 El Siglo XXI (Guatemala)
La Falla del Polochic, cuando venga otra sacudida
http://magacin-gt.blogspot.com/2010/08/la-falla-del-polochic-cuando-venga-otra.html
2010 Emission Impatience, Radio la 1ère, Suisse
Fossil earthquakes
http://www.rts.ch/la-1ere/programmes/impatience/1945721-seismes-fossiles-31-03-2010.html(French)