David Widory

David Widory

Professeur
Téléphone : (514) 987-3000 poste 1968
Local : PK-7640
Langues : Français, Anglais, Espagnol, Japonais
Liens d'intérêt
Informations générales

Unités de recherche

Projets de recherche en cours

Enseignement
Communications
  • Isotope analysis and diffuse contaminants: What insight can be obtained on the catchment scale? (2010). Helmholtz Zentrum München, Neuherberg, Allemagne, 20-21 Octobre.
  • Boron isotopes (¿11B): A complementary tool for tracking sources of nitrate pollution in groundwater (2010). Universitat de Barcelona, Espagne, 28 Juin-1er Juillet.
  • Université de Toyma (Japon), Center for Far East Studies (2008) : ¿¿¿¿¿¿¿¿¿¿¿¿¿¿Cd, Zn, Hg¿¿¿¿¿¿¿.
  • Université de Duisburg-Essen (Allemagne) 2008: « Isotope tracking of sources of CO2 and volatile organic compounds in air ».
  • Université de Toyama (Japon), Center for Far East Studies (2007) : ¿¿¿¿¿¿¿¿¿¿¿¿¿¿¿¿¿¿¿¿¿¿¿¿ ¿ ¿¿¿¿¿¿¿¿¿¿¿¿¿¿¿ ¿ ».
  • Université de Tübingen (Allemagne) (2006) : « Tracking sources of atmospheric pollution and NO3 in water using isotopes ».
  • US Geological Survey, Menlo Park (USA) (2005) : « Tracking sources of atmospheric pollution and NO3 in water using isotopes ».
  • Institute for Reference Materials and Measurements, EC-JRC-IRMM, Geel, (Belgique) (2005) : « Multi-isotope tracking of atmospheric pollution sources ».
  • Université de Toyama (Japon) (1999) : « Tracing sources of air pollution in Paris using carbon and nitrogen isotopes ».
Distinctions
Services à la collectivité

Direction programmes de 1er cycle en Sciences de l'Environnement

Éditeur Associé : Isotopes in Environmental and Health Studies

Directions de thèses et mémoires

Thèses de doctorat
Mémoires

Publications

Articles scientifiques
  • Taillardat, P., Ziegler, A. D., Friess, D. A., Widory, D., David, F., Ohte, N., Nakamura, T., Evaristo, J., Thanh-Nho, N., Van Vinh, T. et Marchand, C. (2019). Assessing nutrient dynamics in mangrove porewater and adjacent tidal creek using nitrate dual-stable isotopes: a new approach to challenge the Outwelling Hypothesis? Marine Chemistry, 214, Article 103662. http://dx.doi.org/10.1016/j.marchem.2019.103662.
  • Asim Hussain, S., Feng-Qing, H., Wenxia, H., Rodriguez, A., Han, J.-L., Jibin, H., Nian, X.-Q., Yi, L., Ma, Z. et Widory, D. (2019). Climate change impact on the evolution of the saline lakes of the Soan-Sakaser Valley (Central Salt Range; Pakistan): Evidences from hydrochemistry and water (δD, δ18O) and chlorine (δ37Cl) stable isotopes. Water, 11(5), article 912. http://dx.doi.org/10.3390/w11050912.
  • Brown, L., Rosabal, M., Sorais, M., Poirier, A., Widory, D. et Verreault, J. (2019). Habitat use strategy influences the tissue signature of trace elements including rare earth elements in an urban-adapted omnivorous bird. Environmental Research, 168, 261–269. http://dx.doi.org/10.1016/j.envres.2018.10.004.
  • Au Yang, D., Cartigny, P., Desboeufs, K. et Widory, D. (2019). Seasonality in the Δ33S measured in urban aerosols highlights an additional oxidation pathway for atmospheric SO2. Atmospheric Chemistry and Physics, 19(6), 3779–3796. http://dx.doi.org/10.5194/acp-19-3779-2019.
  • Taillardat, P., Willemsen, P., Marchand C., Friess, D.A., Widory, D., Baudron, P., Truong Van, V., Nguyen Thành, N. et Ziegler, A.D. (2018). Assessing the contribution of porewater discharge in carbon export and CO2 evasion in a mangrove tidal creek (Can Gio, Vietnam). Journal of Hydrology, 563, 303–318. http://dx.doi.org/10.1016/j.jhydrol.2018.05.042.
  • Widory, D., Vautour, G. et Poirier, A. (2018). Atmospheric dispersion of trace metals between two smelters: An approach coupling lead, strontium and osmium isotopes from bioindicators. Ecological Indicators, 84, 497–506. http://dx.doi.org/10.1016/j.ecolind.2017.09.003.
  • Au Yang, D., Bardoux, G., Assayag, N., Laskar, C., Widory, D. et Cartigny, P. (2018). Atmospheric SO2 oxidation by NO2 plays no role in the mass independent sulfur isotope fractionation of urban aerosols. Atmospheric Environment, 193, 109–117. http://dx.doi.org/10.1016/j.atmosenv.2018.09.007.
  • Morera-Gómez, Y., Santamaria, J.M., Elustondo, D., Alonso-Hernández, C.M. et Widory, D. (2018). Carbon and nitrogen isotopes unravels sources of aerosol contamination at Caribbean rural and urban coastal sites. Science of the Total Environment, 642, 723–732. http://dx.doi.org/10.1016/j.scitotenv.2018.06.106.
  • Taillardat, P., Ziegler, A.D., Friess, D.A., Widory, D., Truong Van, V., David, F., Nguyen, T.-N. et Marchand C. (2018). Carbon dynamics and inconstant porewater input in a mangrove tidal creek over contrasting seasons and tidal amplitudes. Geochimica et Cosmochimica Acta, 237, 32–48. http://dx.doi.org/10.1016/j.gca.2018.06.012.
  • Ciężka, M.M., Górka, M., Modelska, M., Tyszka, R., Samecka-Cymerman, A., Lewińska, A., Łubek, A. et Widory, D. (2018). The coupled study of metal concentrations and Electron Paramagnetic Resonance (EPR) of lichens (Hypogymnia physodes) from the Świętokrzyski National Park – Environmental implications. Environmental Science and Pollution Research, 25(25), 25348–25362. http://dx.doi.org/10.1007/s11356-018-2586-x.
  • Puig, R., Soler, A., Widory, D., Mas-Pia, J., Domènecha, C. et Otero, N. (2017). Characterizing sources and natural attenuation of nitrate contamination in the Baix Ter aquifer system (NE Spain) using a multi-isotope approach. Science of the Total Environment, 580, 518–532. http://dx.doi.org/10.1016/j.scitotenv.2016.11.206.
  • Au Yang, D., Landais, G., Assayag, N., Widory, D. et Cartigny, P. (2016). Improved analysis of micro- and nanomole-scale sulfur multi-isotope compositions by gas source isotope ratio mass spectrometry. Rapid Communications in Mass Spectrometry, 30(7), 897–907. http://dx.doi.org/10.1002/rcm.7513.
  • Vinciguerra, V., Stevenson, R., Pedneault, K., Poirier, A., Hélie, J.-F. et Widory, D. (2016). Strontium isotope characterization of wines from Quebec, Canada. Food Chemistry, 210, 121–128. http://dx.doi.org/10.1016/j.foodchem.2016.04.017.
  • Amiri, H., Zare, M. et Widory, D. (2015). Assessing sources of nitrate contamination in the Shiraz urban aquifer (Iran) using the δ15N and δ18O dual-isotope approach. Isotopes in Environmental and Health Studies, 51(3), 392–410. http://dx.doi.org/10.1080/10256016.2015.1032960.
  • Ciężka, M., Modelska, M., Górka, M., Trojanowska-Olichwer, A. et Widory, D. (2015). Chemical and isotopic interpretation of major ion compositions from precipitation: a one-year temporal monitoring study in Wrocław, SW Poland. Journal of Atmospheric Chemistry, 73(1), 61–80. http://dx.doi.org/10.1007/s10874-015-9316-2.
  • Vautour, G., Poirier, A. et Widory, D. (2015). Tracking mobility using human hair: What can we learn from lead and strontium isotopes? Science & Justice, 55(1), 63–71. http://dx.doi.org/10.1016/j.scijus.2014.10.001.
  • Humez, P., Négrel, P., Lagneau, V., Lions, J., Kloppmann, W., Gal, F., Millot, R., Guerrot, C., Fléhoc, C., Widory, D. et Girard, J.-F. (2014). CO2-water-mineral reactions during CO2 leakage: Geochemical and isotopic monitoring of a CO2 injection field test. Chemical Geology, 368, 11–30. http://dx.doi.org/10.1016/j.chemgeo.2014.01.001.
  • Jones, D.G., Barkwith, A.K.A.P., Hannis, S., Lister, T.R., Gal, F., Graziani, S., Beaubien, S.E. et Widory, D. (2014). Monitoring of near surface gas seepage from a shallow injection experiment at the CO2 Field Lab, Norway. International Journal of Greenhouse Control, 28, 300–317. http://dx.doi.org/10.1016/j.ijggc.2014.06.021.
  • Górka, M., Ciężka, M., Winiszewska, A., Łubek, A., Paneth, P. et Widory, D. (2013). Assessing anthropogenic pressure on the Świętokrzyski National Park – Preliminary results from a SCN multi-isotope approach from bioindicators. Mineralogia – Special Papers, 41, 43. Récupéré de http://www.ptmin.agh.edu.pl/mpsp30/Vol41_2013.pdf.
  • Kujawinski, D.M., Wolbert, J.B., Zhang, L., Jochmann, M.A., Widory, D., Baran, N. et Schmidt, T.C. (2013). Carbon isotope ratio measurements of glyphosate and AMPA by liquid chromatography coupled to isotope ratio mass spectrometry. Analytical & Bioanalytical Chemistry, 405(9), 2869–2878. http://dx.doi.org/10.1007/s00216-012-6669-0.
  • Giustini, F., Blessing, M., Brilli, M., Lombardi, S., Voltattorni, N. et Widory, D. (2013). Determining the origin of carbon dioxide and methane in the gaseous emissions of the San Vittorino plain (central Italy) by means of stable isotopes and noble gas analysis. Applied Geochemistry, 34, 90–101. http://dx.doi.org/10.1016/j.apgeochem.2013.02.015.
  • Widory, D., Petelet-Giraud, E., Bregnot, A., Bronders, J., Tirez, K. et Boeckx, P. (2013). Improving the management of nitrate pollution in water by the use of isotope monitoring: the δ15N, δ18O & δ11B triptych. Isotopes in Environmental and Health Studies, 49(1), 29–47. http://dx.doi.org/10.1080/10256016.2012.666540.
  • Gal, F., Proust, E., Humez, P., Braibant, G., Brach, M., Koch, F., Widory, D. et Girard, J.-F. (2013). Inducing a CO2 leak into a shallow aquifer (CO2FieldLab EUROGIA+ project): Monitoring the CO2 plume in groundwaters. Energy Procedia, 37, 3538–3593. http://dx.doi.org/10.1016/j.egypro.2013.06.251.
  • Widory, D., Proust, E., Bellenfant, G. et Bour, O. (2012). Assessing methane oxidation under landfill covers and its contribution to the above atmospheric CO2 levels: The added value of the isotope (δ13C and δ18O CO2; δ13C and δD CH4) approach. Waste Management, 32(9), 1685–1692. http://dx.doi.org/10.1016/j.wasman.2012.04.008.
  • Bronders, J., Tirez, K., Desmet, N., Widory, D., Petelet-Giraud, E., Bregnot, A. et Boeckx, P. (2012). Use of compound-specific nitrogen (d15N), oxygen (d18O) and bulk boron (d11B) isotope ratios to identify sources of nitrate-contaminated waters: A guideline to identify polluters. Environmental Forensics, 13(1), 32–38. http://dx.doi.org/10.1080/15275922.2011.643338.
  • Lerouge, C., Grangeon, S., Gaucher, E.C., Tournassat, C., Agrinier, P., Guerrot, C., Widory, D., Fléhoc, C., Wille, G., Ramboz, C., Vinsot, A.,... Buschaert, S. (2011). Mineralogical and isotopic record of biotic and abiotic diagenesis of the Callovian-Oxfordian clayey formation of Bure (France). Geochimica et Cosmochimica Acta, 75(10), 2633–2663. http://dx.doi.org/10.1016/j.gca.2011.02.025.
  • 刘咸德,朱祥坤,董树屏,李玉武,Widory, D. et 杨红霞,李冰. (2011). 北京市大气颗粒物分级样品的铅同位素丰度比测量与来源研究. 质谱学报, 32, 151–158.
  • Tirez, K., Wilfried Brusten, A., Widory, D., Petelet, E., Bregnot, A., Xue, D., Boeckx, P. et Bronders, J. (2010). Boron isotope ratio (δ11B) measurements in Water Framework Directive monitoring programs: comparison between double focusing sector field ICP and thermal ionization mass spectrometry. Journal of Analytical Atomic Spectrometry, 25(7), 964–974. http://dx.doi.org/10.1039/C001840F.
  • Widory, D., Xiande, L. et Dong, S. (2010). Isotopes as tracers of sources of lead and strontium in aerosols (TSP & PM2.5) in Beijing. Atmospheric Environment, 44(30), 3679–3687. http://dx.doi.org/10.1016/j.atmosenv.2010.06.036.
  • Widory, D., Petelet-Giraud, E., Le Bihan, O., Le Moullec, Y., Quetel, C., Snell, J.,... Fiani, E. (2010). Les métaux dans les particules atmosphériques : les isotopes peuvent-ils aider à discriminer les pôles d'émission potentiels ? [Metals in atmospheric particles: can isotopes help discriminate potential sources?]. Pollution atmosphérique, (numéro spécial, septembre), 75–81.
  • Widory, D., Minet, J.-J. et Barbe-Leborgne, M. (2009). Sourcing explosives: A multi-isotope approach. Science and Justice, 49(2), 62–72. http://dx.doi.org/10.1016/j.scijus.2008.11.001.
  • Widory, D. et Négrel, P. (2009). Urban aerosols. Géosciences, (10), 46–53.
  • Widory, D. et Fiani, E. (2008). De l'intérêt des isotopes comme traceurs des sources et processus affectant les particules atmosphériques [Of the interest of isotopes as trackers of sources and processes affecting atmospheric particles]. Pollution atmosphérique, (197), 93–104. Récupéré de http://lodel.irevues.inist.fr/pollution-atmospherique/index.php?id=1294.
  • Widory, D. (2007). Nitrogen isotopes: tracers of origin and processes affecting PM10 in the atmosphere of Paris. Atmospheric Environment, 41(11), 2382–2390. http://dx.doi.org/10.1016/j.atmosenv.2006.11.009.
  • Petelet-Giraud, E., Négrel, P. et Widory, D. (2006). Caractérisation des circulations au sein d'une nappe alluviale à l'aide des isotopes du strontium : champ captant de l'île du Chambon (Allier) ^Strontium isotopic characterisation of water circulation in an alluvial plain: the Ile du Chambon case (Allier, France)]. La Houille Blanche, (1), 81–90. http://dx.doi.org/10.1051/lhb:200601010.
  • Widory, D. (2006). Combustibles, fuels and their combustion products: A view through carbon isotopes. Combustion Theory and Modelling, 10(5), 831–841. http://dx.doi.org/10.1080/13647830600720264.
  • Widory, D. (2006). Lead isotopes decipher multiple origins within single PM10 samples in the atmosphere of Paris. Isotopes in Environmental and Health Studies, 42(1), 97–105. http://dx.doi.org/10.1080/10256010500502736.
  • Fouillac, A.M., Cocherie, A., Girard, J.P., Guerrot, C., Innocent, C., Millot, R., Motelica, M., Sanjuan, B. et Widory, D. (2005). Traceurs isotopiques : sources et processus [Isotopic tracers: Sources and Processes]. Oil & Gas Science and Technology, 60(6), 923–935. http://dx.doi.org/10.2516/ogst:2005065.
  • Widory, D., Petelet-Giraud, E., Négrel, P. et Ladouche, B. (2005). Tracking the sources of nitrate in groundwater using coupled nitrogen and boron isotopes: A synthesis. Environmental science & technology, 39(2), 539–548. http://dx.doi.org/10.1021/es0493897.
  • Widory, D., Kloppmann, W., Chery, L., Bonnin, J., Rochdi, H. et Guinamant, J.-L. (2004). Nitrates in groundwater: an isotopic multi-tracer approach. Journal of Contaminant Hydrology, 72(1-4), 165–188. http://dx.doi.org/10.1016/j.jconhyd.2003.10.010.
  • Widory, D., Roy, S., Le Moullec, Y. et Goupil, G. (2004). Origine des particules atmosphériques à Paris : utilisation des isotopes du carbone et du plomb [The origin of atmospheric particles in Paris: A view through carbon and lead isotopes]. Pollution atmosphérique, (181), 83–92. Récupéré de http://lodel.irevues.inist.fr/pollution-atmospherique/docannexe/file/1594/83_widory3.pdf.
  • Widory, D. (2004). Oxygen and nitrogen isotopic fractionations during human respiration [Les fractionnements isotopiques de l'oxygène et de l'azote au cours de la respiration humaine]. Comptes rendus Biologies, 327(8), 729–734. http://dx.doi.org/10.1016/j.crvi.2004.07.001.
  • Négrel, P., Petelet-Giraud, E. et Widory, D. (2004). Strontium isotope geochemistry of alluvial groundwaters: a tracer for groundwater resources characterisation. Hydrology and Earth System Sciences, 8(5), 959–972. http://dx.doi.org/10.5194/hess-8-959-2004.
  • Widory, D., Roy, S., Le Moullec, Y., Goupil, G., Cocherie, A. et Guerrot, C. (2004). The origin of atmospheric particles in Paris: a view through carbon and lead isotopes. Atmospheric Environment, 38(7), 953–961. http://dx.doi.org/10.1016/j.atmosenv.2003.11.001.
  • Widory, D. et Kiyosu, Y. (2003). Isotope composition of Zelkova Serrata leaves as an indicator of atmospheric pollution in Japan. Isotopes in Environmental and Health Studies, 39(4), 281–287. http://dx.doi.org/10.1080/10256010310001621128.
  • Widory, D. et Javoy, M. (2003). The carbon isotope composition of atmospheric CO2 in Paris. Earth and Planetary Science Letters, 215(1-2), 289–298. http://dx.doi.org/10.1016/S0012-821X(03)00397-2.
Chapitres de livre
  • Widory, D. (2012). The benefit of using isotopes in the NO3 water quality management. The application of isotope techniques for water quality assessment and management, focusing on nutri. IAEA Editions.
    Notes: In Press
Actes de colloque
  • Lerouge, C., Gaucher, E., Tournassat, C., Agrinier, P., Widory, D., Guerrot, C. et Buschaert, S. (2009). (S, C, O, Sr) isotopic constraints on the diagenetic evolution of the COX clay formations at the Bure URL site, Paris Basin [Abstract]. Dans Geophysical Research Abstracts, 11, GU2009-3756-1. Récupéré de https://meetingorganizer.copernicus.org/EGU2009/EGU2009-3756-1.pdf.
  • Widory, D., Minet, J.J. et Barbe-Le Borgne, M. (2007). Fingerprinting explosives : a multi-isotope approach. Dans 3rd FIRMS Conference, Dunedin (New Zealand), 26-29 Novembre.
  • Widory, D. et Minet, J.J. (2007). Fingerprinting explosives : a multi-isotope approach. Dans 7th ISADE Conference, Paris (France), 2-6 Juillet.
Autres publications
  • Widory, D., Gal, F., Proust, E. et Mayer, B. (2011). Comparison of shallow aquifer and soil gas monitoring approaches for detecting CO2 leakage at a natural analogue site in France. AGU Fall Meeting. San Francisco, USA, 4-9 Décembre.
  • Blessing, M., Proust, E. et Widory, D. (2011). Compound-specific analysis for assessing sources and fate of aromatic hydrocarbons in contaminated aquifers. the ESIR XI Isotope Workshop. Budapest, Hongrie.
  • Widory, D., Kujawinski, D., Baran, N., Amalric, L., Jochmann, M. et Schmidt, T. (2011). The carbon isotope composition of herbicides in groundwater : the example of Glyphosate and its degradation by product AMPA. In the 9th International Symposium on Applied Isotope Geochemistry. Tarragona, Espagne, 18-23 Septembre.
  • Widory, D. (2010). Improving air quality in Beijing by isotopically tracking the atmospheric sources of lead in aerosols. the 2010 Japan Geoscience Union Meeting. Tokyo, Japon, 23-28 Mai.
  • Petelet-Giraud, E., Widory, D., Brenot, A., et al. (2010). Isonitrate Life Demonstration Project : How to improve the management of nitrate pollution in water through isotopic monitoring. WFD Conference. Lille, France, 27-28 Avril.
  • Blessing, M., Proust, E. et Widory, D. (2010). Isotopic analysis of formaldehyde by thermal desorption – gas chromatography – isotope ratio mass spectrometry. SETAC Europe 20th Annual Meeting. Seville, Espagne, 23-27 Mai.
  • Widory, D. et Millot, R. (2010). Multi-Collector ICP-MS : A new for isotopically characterising explosives?. 4th FIRMS Conference. Washington, D.C., USA, 12-14 Avril.
  • Bullen, T. et Widory, D. (2010). Stable isotope signals of metal contaminants in the environment : The search continues. 20th Goldschmidt conference. Knoxville, USA, 13-18 Juin.
  • Widory, D., Petelet-Giraud, E., Johnson, T.M., et al. (2010). The stable isotope compositions of mercury in atmospheric particles (PM10) from Paris (France) and vicinity. the 2010 AGU Fall Meeting. San Francisco, USA, 12-17 Décembre.
  • Proust, E., Widory, D., Gautason, B., Rogers, K. et Morrison, J. (2010). Tracking atmospheric sulphur pollution from the study of Rhacomitrium Lanuginosum mosses in Iceland : A multi-isotope approach ( 34S, 206Pb/204Pb, 13C and 15N). AGU Fall Meeting. San Francisco, USA, 12-17 Décembre.
  • Blessing, M., Bellenfant, G., Widory, D. et Guyonnet, D. (2009). Compound-specific isotope analysis of methane and CO2 landfill emissions, in 8th International symposium on applied isotope geochemistry AIG-8. La Malborie, Québec, 30 Août-04 Septembre.
  • Bullen, T., Widory, D. et Petelet-Giraud, E. (2009). Multi-isotope approaches for identification of metal contamination sources in environmental systems. 19th Glodschmidt Conference. Davos, Suisse, 21-26 Juin.
  • Bullen, T. et Widory, D. (2009). The oxygen isotope composition of dissolved chromate : a new tool for determining sources of chromium contamination in groundwater. 2009 AGU Joint Assembly. Toronto, Canada, 24-27 Mai.
  • Widory, D. et Petelet-Giraud, E. (2008). Cadmium, zinc and mercury isotope compositions of PM10 emitted by the main atmospheric sources of pollution in Paris (France): New tools for a precise discrimination. Japan Geoscience Union Meeting. Makuhari (Japan), 25-30 Mai.
  • Brenot, A., Widory, D., Petelet-Giraud, E., et al. (2008). Comment l'intégration du monitoring isotopique peut permettre une meilleure gestion de la pollution en nitrates dans les eaux : le projet ISONITRATE. RST. Nancy (France), 21-24 Avril.
  • Petelet-Giraud, E., Widory, D., Brenot, A., et al. (2008). Improving the management of nitrate pollution in water. Alsace Plain (France/Germany) through isotopic monitoring : Isonitrate LIFE demonstration project. Groundwater Conference, Paris (France), 13-14 Novembre.
  • Widory, D. (2008). Isonitrate demonstration project : how isotopic monitoring can improve management of nitrate pollution in water. AGU Fall Meeting. San Francisco, Californie, 15-19 Décembre.
  • Widory, D. (2008). Tracking sources of PM2.5 and PM10 in urban atmospheres : A view through a multi-isotope approach. CFA – 23éme Congrés Français sur les Aérosols. Paris (France), 16-17 Janvier.
  • Lerouge, C., Widory, D., Guerrot, C., Gaucher, E. et Buschaert, S. (2007). (S, O, Sr) isotopic constraints on the diagenetic evolution of the COX clay formations at the Bure URL site. Clay in natural & engineered barriers for radioactive waste confinement – 3rd international meeting. Lille (France), 17-20 Septembre.
  • Lerouge, C., Gouin, J., Deschamps, Y., et al. (2007). Characterization of coal from the Mariovo basin, Macedonia – Insights from organic geochemical and sulphur isotopic data. SGA – 9th biennal meeting. Dublin (Ireland), 20-24 Août.
  • Gouin, J., Lerouge, C., Deschamps, Y., et al. (2007). Petrological and geochemical characterization of Ge-bearing coals from the eastern Rhodopes, Bulgaria.. SGA – 9th biennal meeting. Dublin (Ireland), 20-24 Août.
  • Widory, D. (2007). Tracking sources of PM2.5 and PM10 in urban atmosphere : a view through a multi-isotope approach. Japan Geoscience Union Meeting. Makuhari (Japan), 19-24 Mai.
  • Widory, D. (2007). What did the multi-isotope approach development bring to the knowledge of sources and processes affecting the NO3 budget in groundwater ?. Japan Geoscience Union Meeting. Makuhari (Japan), 19-24 Mai.
  • Widory, D. (2006). Les isotopes de l'azote : traçeurs de sources et des processus affectant les PM10 dans l'air de Paris. 4ème Réunion Société Française des Isotopes Stables. Nantes (France), 11-14 Septembre.
  • Widory, D. et Fiani, E. (2006). Tracking sources of aerosol pollution in Paris using isotopes. 7th International Conference on Emissions Monitoring. Paris (France), 31 Janvier-02 Février.
  • Widory, D. (2006). Tracking the sources of nitrate in groundwater using a multi-isotope approach : a synthesis. AGU Fall Meeting. San Francisco, Californie, 11-15 Décembre.
  • Widory, D. (2006). Understanding carbon isotope behaviour during combustion processes : a pre-requisite to using (delta 13C) in the field of air pollution. AGU Fall Meeting. San Francisco, Californie, 11-15 Décembre.
  • Petelet-Giraud, E., Négrel, P., Widory, D., Ladouche, B. et Baran, N. (2005). Characterisation of the origin of nitrate in groundwater using coupled nitrogen and boron isotopes : a synthesis. 30th EGS – AGU – EUG joint Assembly. Vienna (Austria), 24-29 Avril.
  • Widory, D. (2005). Nitrogen isotopes : Tracers of origin and processes affecting PM10 in the atmosphere of Paris. AGU Fall Meeting. San Francisco, Californie, 5-9 Décembre.
  • Kloppmann, W., Hunkeler, D., Araveva, R., Elsass, P. et Widory, D. (2005). Organic solvent contamination of a complex industrial site : Insights from compound specific isotope analysis combined with classical isotopic tools. 30th EGS – AGU – EUG joint Assembly. Vienna (Austria), 24-29 Avril.