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Dr Igor G. Dubus
FOOTWAYS
10 avenue Buffon
45071 Orleans Cedex 2, France
Tel: +33 238 63 64 65
Fax: +33 238 63 64 60
E-mail:
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Current position
Research interests
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- Environmental risk assessment for pesticides
- Uncertainty associated with pesticide fate modelling
- Sensitivity of pesticide leaching models
- Aspects of robustness in the calibration of pesticide fate models
- Automation of modelling tasks, meta-modelling
- Spatially distributed risk assessments
- Preferential flow in soils
- Atmospheric transport and deposition of pesticides
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Education
Employment
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2009-
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Head, FOOTWAYS, Orleans, France
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2006-2009
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Coordinator of the EU project FOOTPRINT
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2003-2009
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Senior environmental fate & modelling specialist, BRGM, Orléans, France
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2001-2003
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Senior Research scientist, Cranfield Centre for EcoChemistry, Cranfield University, Silsoe, United Kingdom
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1997-2001
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Research scientist, Soil Survey and Land Research Centre, Cranfield University, Silsoe, United Kingdom
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1996-1997
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Research associate, Research Institute for Development, Nouméa, New Caledonia, South Pacific
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1994-95
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Research trainee, National Institute for Agronomic Research, Soil Science Unit, Grignon, France
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1994
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Research trainee, International Rice Research Institute, Phnom Penh, Cambodia
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Miscellaneous
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Reviewer for Pest Management Science, Journal of Environmental Quality, The Science of the Total Environment, Weed Research & Environmental Pollution.
Founder and manager of the
PFMODELS initiative (discussion list and web site).
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Publications
Peer-reviewed journals
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Jarvis N.J., Moyes J., Hollis J.M., Reichenberger S., Lindahl A. & Dubus I.G.. (2009). A conceptual model of soil susceptibility to macropore flow. Vadose Zone Journal, 8:902-910.
Lindahl A.I., Dubus I.G. & Jarvis N.J. (2009). Site classification to predict the abundance of the deep-burrowing earthworm Lumbricus terrestris L.. Vadose Zone Journal, 8:911-915.
Visser A., Dubus I.G., Broers H.P., Brouyère S., Korcz M., Heerdink R., Orban P., Goderniaux P., Battle-Aguilar J., Surdyk N., Amraoui N., Job H., Pinault J.L. & Bierkens M. (2009). Comparison of methods for the detection and extrapolation of trends in groundwater quality. Journal of Environmental Monitoring, 11, 2030-2043. PDF
Nolan B.T., Dubus I.G. & Surdyk N. (2009). A refined lack-of-fit statistic to calibrate pesticide fate models in responsive systems. Pest Management Science, DOI 10.1002/ps.1825.
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Centofanti T., Hollis J.M., Blenkinsop S., Fowler H.J., Truckell I., Dubus I.G. & Reichenberger S. (2008). The development of agro-environmental scenarios to support environmental risk assessments for agricultural pollutants in Europe. The Science of the Total Environment, 407:574-588.
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Nolan B.T., Dubus I.G., Surdyk N., Fowler H.J., Burton A., Hollis J.M., Reichenberger S. & Jarvis N.J. (2008). Identification of key climatic factors regulating the transport of pesticides in leaching and to tile drains. Pest Management Science, 64(9):933-944.
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Pinault J.L. & Dubus I.G. (2008). Stationary and non-stationary autoregressive processes with external inputs for predicting trends in water quality. Journal of Contaminant Hydrology, 100:22-29.
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Barriuso E., Benoit P. & Dubus I.G. (2008). The formation of pesticide bound residues in soil: magnitude, controlling factors and reversibility. Environmental Science & Technology, 42(6):1845-1854.
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Blenkinsop S., Fowler H.J., Dubus I.G., Nolan B.T. & Hollis J.M. (2008). Developing climatic scenarios for pesticide fate modelling in Europe. Environmental Pollution, 154:219-231.
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Barth J.A.C., Kalbus E., Schmidt C., Bayer-Raich M., Reinstorf F., Schirmer M., Thiéry D., Dubus I.G., Gutierrez A., Baran N., Mouvet C., Petelet-Giraud E., Négrel Ph., Banton O., Batlle Aguilar J., Brouyère S., Goderniaux P., Orban Ph., Rozemeijer J.C., Visser A., Bierkens M.F.P., Van der Grift B., Broers H.P., Marsman A., Klaver G., Slobodnik J. & Grathwohl P. (2007). Selected groundwater studies of EU project AquaTerra leading to large-scale basin considerations. Water Practice & Technology, 2(3), doi10.2166/wpt.2007.062.
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Calvet R., Barriuso E. & Dubus I.G. (2007). Application of two surface complexation models to the adsorption of weak organic acids by soil: an additive approach. European Journal of Soil Science, 58:609-624. doi: 10.1111/j.1365-2389.2006.00846.x.
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Beulke S., Brown C.D., Dubus I.G., Galicia H., Jarvis N., Schaeffer D. & Trevisan M. (2006). User subjectivity in Monte Carlo modelling of pesticide exposure. Environmental Toxicology & Chemistry, 25(8):2227-2236.
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van den Brink P.J., Brown C.D. & Dubus I.G. (2006). Using the expert model PERPEST to translate measured and predicted pesticide exposure data into ecological risks. Ecological Modelling, 191:106-117.
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Dubus I.G., Beulke S., Brown C.D., Gottesbüren B. & Dieses A. (2004). Inverse modelling for estimating sorption and degradation parameters for pesticides. Pest Management Science, 60:859-874.
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Beulke S., Brown C.D., Dubus I.G., Fryer C.J. & Walker A. (2004). Evaluation of probabilistic modelling approaches against data on leaching of isoproturon through undisturbed lysimeters. Ecological modelling, 179:131-144.
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Brown C.D., Dubus I.G., Fogg P., Spirlet M. & Gustin C. (2004). Exposure to sulfosulfuron in agricultural drainage ditches: field monitoring and scenario-based modelling. Pest Management Science, 60:765-776.
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Holman I.P., Dubus I.G., Hollis J.M. & Brown C.D. (2004). Using a linked soil model emulator and unsaturated zone leaching model to account for preferential flow when assessing the spatially distributed risk of pesticide leaching to groundwater in England and Wales. The Science of the Total Environment, 318:73-88.
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Dubus I.G., Brown C.D. & Beulke S. (2003). Sources of uncertainty in pesticide fate modelling. The Science of the Total Environment, 317:53-72.
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Dubus I.G. & Janssen P.H.M. (2003). Issues of replicability in pesticide fate modelling: a case study with a pesticide leaching model. Environmental Toxicology & Chemistry, 22:3081-3087.
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Dubus I.G., Brown C.D. & Beulke S. (2003). Sensitivity analyses for four leaching models. Pest Management Science, 59:962-982.
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Brown C.D., Hart A., Lewis K.A. & Dubus I.G. (2003). p-EMA: simulating the environmental fate of pesticides for a farm-level risk assessment system. Agronomie, 23:67-74.
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Dubus I.G., Beulke S. & Brown C.D. (2002). Calibration of pesticide leaching models: critical review and guidance for reporting. Pest Management Science, 58:745-758.
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Dubus I.G. & Brown C.D. (2002). Sensitivity and first-step uncertainty analyses for the preferential flow model MACRO. Journal of Environmental Quality, 31:227-240.
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Brown C.D., Bellamy P.B. & Dubus I.G. (2002). Prediction of pesticide concentrations found in rivers in the UK. Pest Management Science, 58:363-373.
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Dubus I.G., Barriuso E. & Calvet R. (2001). Sorption of organic acids in soils: clofencet, 2,4-D and salicylic acid. Chemosphere, 45:767-774.
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Dubus I.G. & Becquer T. (2001). Phosphorus sorption and desorption in oxide-rich soils of New Caledonia. Australian Journal of Soil Research, 39:403-414.
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Beulke S., Brown C.D., Dubus I.G. & Harris G. (2001). Evaluation of uncalibrated preferential flow models against data for isoproturon movement to drains through a heavy clay soil. Pest Management Science, 57:537-547.
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Dubus I.G., Hollis J.M. & Brown C.D. (2000). Pesticides in rainfall in Europe. Environmental Pollution, 110:331-344.
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Beulke S., Dubus I.G., Brown C.D. & Gottesbüren B. (2000). Simulation of pesticide persistence in the field on the basis of laboratory data - a review. Journal of Environmental Quality, 29:1371-1379.
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Dubus I.G., Richard H., White P.F. & Bolton M. (1997). Fertiliser management on two contrasting soil types in the rainfed lowland rice production system in Cambodia. International Rice Research Notes, 22:45.
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Dubus I.G. (1997). Phosphorus sorption in soils – a review (in French). Documents Scientifiques ORSTOM No. 54, 76pp. PDF
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Book chapter
Conference papers / oral communications / posters
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The list is not kept up-to-date anymore.
Madier S., Leviandier T. & Dubus I.G. (2006). Predictions of event-based pesticide flux at the catchment scale: a model evaluation exercise. The 7th International Conference on HydroInformatics, Nice, France, 4-8 September 2006.
Dubus I.G., Azimonti G., Bach M., Barriuso E., Bidoglio G., Bouraoui F., Fialkiewicz W., Fowler H., François O., Højberg A., Hollis J., Jarvis N., Kajewski I., Kjær J., Lewis K., Lobnik F., Lolos P., Réal B., Reichenberger S., Stenemo F., Suhadolc M., Surdyk N. & Vavoulidou–Theodorou E. (2006). FOOTPRINT, a new European project to develop tools for pesticide risk assessment and management. Poster presentation at SETAC Europe 16th Annual Meeting, The Hague, The Netherlands, 7-11 May 2006.
Dubus I.G., Azimonti G., Bach M., Barriuso E., Bidoglio G., Bouraoui F., Fialkiewicz W., Fowler H., François O., Højberg A., Hollis J., Jarvis N., Kajewski I., Kjær J., Lewis K., Lobnik F., Lolos P., Réal B., Reichenberger S., Stenemo F., Suhadolc M., Surdyk N. & Vavoulidou–Theodorou E. (2006). Introducing FOOTPRINT: Functional Tools for Pesticide Risk Assessment and Management. Oral presentation at the Warwick conference on Pesticide Bahviour in Soils, Water and Air, Warwick, UK, 27-29 March 2006.
Fialkiewicz W., Dubus I.G., Azimonti G., Bach M., Barriuso E., Bidoglio G., Bouraoui F., Fowler H., François O., Højberg A., Hollis J., Jarvis N., Kajewski I., Kjær J., Lewis K., Lobnik F., Lolos P., Réal B., Reichenberger S., Stenemo F., Suhadolc M., Surdyk N. & Vavoulidou–Theodorou E. (2006). FOOTPRINT, an EU project for pesticide risk assessment and management. International Conference 'Soil Protection Strategy - needs and approaches for policy support'. Pulawy, Poland, 9-11 March 2006.
Dubus I.G. (2005). Introducing FOOTPRINT: Functional Tools for Pesticide Risk Assessment and Management. Oral presentation at the 4th European Modelling Worshop, Paris, France, 21-22 November 2005.
Presentation
Thiéry D., Golaz C., Gutierrez A., Darsy C., Mouvet C. & Dubus I.G. (2005). Refinements to the MARTHE model to enable the simulation of the fate of agricultural contaminants from the soil surface to and in groundwater. Oral presentation at the 4th European Modelling Worshop, Paris, France, 21-22 November 2005.
Presentation
Dubus I.G., Brown C.D., Beulke. S. & Gottesbueren B. (2005). Issues of non-uniqueness in the calibration of pesticide leaching models. Proceedings of MODELCARE 2005, Fifth International Conference on Calibration and Reliability in Groundwater Modelling, From Uncertainty to Decision Making. The Hague, The netherlands, 06-09/06/2005. Book of proceedings, 263-268.
Thiéry D., Golaz C., Gutierrez A., Fialkiewicz W., Darsy C., Mouvet C. & Dubus I.G. (2004). Refinements to the MARTHE model to enable the simulation of the fate of agricultural contaminants from the soil surface to and in groundwater. Proceedings of the COST international workshop, Saturated and unsaturated zone: integration of process knowledge into effective models, Rome, Italy, 5-7 May 2004. ISBN 88-7830-387-9, pp. 315-320.
Mouvet C., Albrechtsen H.J., Baran N., Chen T., Clausen L., Dubus I.G., Douguet J.-M., Esposito A., Fialkiewicz W., Gutierrez A., Haverkamp R., Herbst M., Howles D., Jarvis N.J., Jorgensen P.R., Larsbo M., Meiwirth K., Mermoud A., Morvan X., Normand B., O’Connor M., Ritsema C., Roessle S., Roulier S., Soutter M., Stenemo F., Thiéry D., Trevisan M., Vachaud G., Vereecken H. & Vischetti C. (2004). Integration into effective models of process knowledge gained on the unsaturated and saturated zones: results from the PEGASE project. Proceedings of the COST international workshop, Saturated and unsaturated zone: integration of process knowledge into effective models, Rome, Italy, 5-7 May 2004. ISBN 88-7830-387-9, pp. 211-226.
Dubus I.G. (2004). From lower to higher tiers in the assessment of leaching to GW: a case study. Oral communication at the 3rd European Modelling Workshop, Catania, Italy, 17-19 February 2004.
Dubus I.G. & Brown C.D. (2003). How much confidence should we assign to results obtained through Monte Carlo modelling? Proceedings XII Symposium Pesticide Chemistry, 4-6 June 2003, Piacenza, Italy, 409-415.
Full text
Brown C.D., Maund S.J., Holmes C., Dubus I.G., Turner N.L., Hendley P. & Sweeney P.J.J. (2003). Lanscape-level approaches to risk assessment for pesticides. Proceedings XII Symposium Pesticide Chemistry, 4-6 June 2003, Piacenza, Italy, 633-640.
Dubus I.G., Brown C.D. & Beulke S. (2002). Probabilistic approaches and pesticide exposure: a long way from home? SETAC Europe 12th Annual Meeting, Vienna, Austria. Book of Abstracts, 126.
Dubus I.G. (2002). Invited chairman, session on implications of the presence of pesticides in the atmosphere. Technical Meeting on Pesticides in Air, ADEME-UIPP, 29 January 2002.
Dubus I.G. (2001). Environmental fate of herbicides and registration: towards more realistic assessments. Oral presentation in French at the COLUMA International Meeting on Weed Control, Toulouse, France, 5-7 December 2001. Conference proceedings, 1:163-169.
Dubus I.G., Brown C.D. & Beulke S. (2001). Sources of uncertainty in pesticide fate modelling. Oral communication at the BCPC symposium on Pesticide Behaviour in Soils and Water, Brighton, UK. 13-15 November 2001. Symposium proceedings 78:239-244.
Brown C.D., Dubus I.G. & Gustin C. (2001). A spatially distributed risk assessment for higher aquatic plants in the UK. BCPC symposium on Pesticide Behaviour in Soils and Water, Brighton, UK. 13-15 November 2001. Symposium proceedings 78:265-270.
Beulke S., Brown C.D. Walker A. & Dubus I.G. (2001). Characterisation of sorption for pesticide fate modelling. BCPC symposium on Pesticide Behaviour in Soils and Water, Brighton, UK. 13-15 November 2001. Symposium proceedings 78:51-56.
Gottesbüren B., Platz K., van de Veen J.R., Dieses A., Dubus I.G. & Beulke S. (2001). Estimation of pesticide parameters from static and dynamic experiments at different scales by different modelling groups. BCPC symposium on Pesticide Behaviour in Soils and Water, Brighton, UK. 13-15 November 2001. Symposium proceedings 78:89-94.
Beulke S., Brown C.D., Dubus I.G. & FRYER C.J. (2001). Evaluation of probabilistic modelling approaches against data on leaching of isoproturon through undisturbed lysimeters. The Eight Symposium on the Chemistry and Fate of Modern Pesticides. Danish Institute of Agricultural Sciences, Copenhagen, Denmark, 21-24 August 2001.
Dubus I.G., Brown C.D. & Hollis J.M. (2001). Uncertainty and probabilistic approaches to exposure assessment. Poster presented at the first European Workshop on Probabilistic Risk Assessment for the Environmental Effects of Plant Protection Products. Hotel Leeuwenhorst, The Netherlands, 5-8 June 2001.
Brown C.D., Dubus I.G. & Gustin C. (2001). A distributed probabilistic assessment: exposure of surface water in the UK to pesticide entering via drainflow. Poster presented at the first European Workshop on Probabilistic Risk Assessment for the Environmental Effects of Plant Protection Products. Hotel Leeuwenhorst, The Netherlands, 5-8 June 2001.
Dubus I.G. (2001). Probabilistic assessment of exposure in the pesticide registration context (in French). Invited speaker to a two-day INRA workshop on pesticide exposure, Grignon, France, 2-3 July 2001.
Dubus I.G. (2001). Incorporating uncertainty into the modelling the fate of pesticides in soil (in French). Oral communication presented at the XXXI GFP congress, Lyon, France, 15-17 May 2001.
Brown C.D., Beulke S. & Dubus I.G. (2000). Progress in simulating macropore flow through soil. BCPC conference - Pests & Diseases, Brighton, 13-16 Nov 2000, 85-90.
Dubus I.G., Brown C.D. & Beulke S. (1999). Sensitivity analyses for the FOCUS leaching models. The 1999 Brighton Conference (BCPC), Weeds, Session 6B: Herbicides in the environment, modelling approaches, 15-19 November 1999, 2:543-548.
Brown C.D., Beulke S. & Dubus I.G. (1999). Simulating pesticide transport via preferential flow: a current perspective. XI Symposium on Pesticide Chemistry, Human and Environmental Exposure to Xenobiotics, Cremona, Italy, 12-15 September 1999.
Dubus I.G., Hollis J.M., Brown C.D., Lythgo C. & Jarvis J. (1998). Implications of a first-step environmental assessment for the atmospheric deposition of pesticides in the UK. Brighton Crop Protection Conference, Pests and Diseases, 16-18 November 1998, 1:273-278
Beulke S., Brown C.D., Dubus I.G. & Williams R.J. (1998). Comparison of preferential flow models against data for pesticide transport through a heavy clay soil. IUPAC International Congress on Pesticide Chemistry, 2-7 August 1998, London.
Dubus I.G., Becquer T., Bonzon B. & Calvet R. (1998). Phosphorus sorption in two Geric Ferralsols of New Caledonia. 16th World Congress of Soil Science, Montpellier, 20-26 Aug. 1998, Symposium No 6.
L’Huillier L., Dupont S., Dubus I.G., Becquer T., Bourdon E., Laubreaux P. & Bonzon B. (1998). Phosphorus sorption and deficiency in Ferralsols of New Caledonia (in French). 16th World Congress of Soil Science, Montpellier, 20-26 Aug. 1998, Symposium No 13.
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Research reports
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The list is not kept up-to-date anymore.
Cerdan O., Baghdadi N., Denux J.P., Desprats J.P., Gay M., Albergel C., Dubus I.G., Dupros F., Holah N. & El Hajj M. (2006). Flood forecasting in southern France (in French). BRGM report RP-54218-FR, 123 pages.
Dubus I.G. & Surdyk N. (2006). State-of-the-art review on pesticide fate models and environmental indicators. Report DL#4 of the FP6 EU-funded FOOTPRINT project [www.eu-footprint.org], 39p.
Baran N., Dubus I.G., Morvan X., Normand M., Gutierrez A. & Mouvet C. (2005). Climatic and land use data for the Brévilles experimental catchment. BRGM contribution to Deliverable T2.2 of the TREND2 work package of the AquaTerra project, 12p.
Gourcy L., Dubus I.G., Baran N., Mouvet C. & Gutierrez A. (2005). Environmental tracers used for age dating of young groundwater: critical review for application to fractured aquifers. BRGM contribution to Deliverable T2.3 of the TREND2 work package. BRGM contribution to Deliverable T2.3 of the TREND2 work package of the AquaTerra project, 34p.
Gourcy L., Dubus I.G., Baran N., Mouvet C. & Gutierrez A. (2005). First investigations into the use of environmental tracers for age dating at the Brévilles experimental catchment. BRGM contribution to Deliverable T2.3 of the TREND2 work package. BRGM contribution to Deliverable T2.3 of the TREND2 work package of the AquaTerra project, 7p.
Pinault J.-L., Guyonnet D., Dubus I.G., Baran N., Gutierrez A. & Mouvet C. (2005). Conventional and innovative approaches to trends analysis: a case study for the Brévilles catchment. BRGM contribution to Deliverable T2.3 of the TREND2 work package of the AquaTerra project, 58p.
Mouvet C., Albrechtsen H.J., Baran N., Chen T., Clausen L., Darsy C., Desbionne S., Douguet J.-M., Dubus I.G., Fialkiewicz W., Gutierrez A., Haverkamp R., Herbst M., Howles D., Jarvis N.J., Jørgensen P.R., Larsbo M., Meiwirth K., Mermoud A., Morvan X., Normand B., O’Connor M., Ritsema C., Roessle S., Roulier S., Soutter M., Stenemo F., Thiéry D., Vachaud G., Vereecken H., Vischetti C. (2004). PEGASE. Pesticides in European Groundwaters : detailed study of representative Aquifers and Simulation of possible Evolution scenarios. Dubus I.G. and C. Mouvet (Editors). Final report of the European project #EVK1-CT1990-00028. BRGM/RP-52897-FR, 358 p., 196 fig., 57 tabl., 1 app.
Download
Dubus I.G., Brown C.D., Beulke S. & Turner N.L. (2002). Uncertainty and probabilistic approaches to pesticide fate modelling. Cranfield Centre for EcoChemistry research report for DEFRA/PSD no. PL0548, 139p.
Download [2.8 MB]
Dubus I.G. & Beulke S. (2001). Calibration of pesticide leaching models: procedures and guidance for reporting. Cranfield Centre for EcoChemistry research report for DEFRA/PSD no. PL0539, 33p.
Dubus I.G. & Beulke S. (2001). Independent calibration of PEARL against lysimeter data by two modellers. Cranfield Centre for EcoChemistry research report for DEFRA/PSD no. PL0539, 59p.
Dubus I.G., Brown C.D. & Beulke S. (2000). Sensitivity analyses for the leaching models used for pesticide registration in Europe. SSLRC research report for MAFF/PSD no. PL0532, 407p.
Download [1.8 MB]
Dubus I.G., Beulke S. & Brown C.D. (2000). A briefing document on the application of inverse modelling techniques to pesticide leaching models. SSLRC research report for MAFF/PSD no. PL0528/JF3735E, 44p.
Brown C.D., Bellamy P.H., Dubus I.G., Fryer C.J. & Smith H.L. (2000). Further development of the POPPIE database. Part 2: validation of the surface water model. SSLRC research report for the Environment Agency no. E1-066/JF4288V, 64p.
Hollis J.M, Holman I.P., Najarro P., Smith H.L. & Dubus I.G. (2000). Further development of the POPPIE database. Part 1: the development of a groundwater contamination risk assessment methodology. SSLRC research report for the Environment Agency no. E1-066/JF4288V, 48p.
Beulke S., Brown C.D., Fryer C.J. & Dubus I.G. (2000). Lysimeter study to investigate the effect of rainfall patterns on pesticide leaching and the viability of stochastic approaches for risk quantification. SSLRC research report JF3733E for MAFF, 68p.
Brown C.D., Dubus I.G., Marshall V.L. & Fryer C.J. (1999). Pesticide leaching through cracking clay soils in relation to management practices, soil structure and timing of application. Annual report 1998/99. SSLRC research report JF 3734E for MAFF PL0524, 16p.
Beulke S., Brown C.D. & Dubus I.G. (1999). Simulating pesticide movement through soil via preferential flow: current approaches and future developments. SSLRC contract for MAFF/PSD, 109p.
Beulke S., Dubus I.G. & Brown C.D. (1999). Investigations on inverse modelling as a tool for estimating degradation and sorption parameters for pesticides. SSLRC contract report JF 4198S, 76p.
Dubus I.G. & Hollis J.M. (1999). Pesticides in rainfall in Europe, a review. SSLRC contract report for MAFF/PSD No 3735E, 28p.
Beulke S., Brown C.D. & Dubus I.G. (1998). Evaluation of the use of preferential flow models to predict the movement of pesticides to water sources under UK conditions. SSLRC contract report PL0516 for MAFF/PSD, 101p.
Download [1.7 MB]
Dubus I.G. & Hollis J.M. (1998). A review of existing data on the aerial deposition of pesticides in the UK. SSLRC contract report for MAFF/PSD No 3735E, 36p.
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