Philippe Gachon

P_Gachon
Université du Québec à Montréal
Département de géographie

Aléas et risques hydrométéorologiques, variabilité et changements climatiques, modélisation régionale du climat, inondations, feux de forêts, et temps violents (vents et précipitations extrêmes)

Accès libre    Benoît, C., Durand, J., Gachon, P., Boucher, J., Boulanger, Y., 2025. A daily gridded dataset of the Fire Weather Index across Canada, with calculations based on the sun’s elevation. Earth System Science Data Discussions.

Ogden N.H., Dumas A., Gachon P., Rafferty E., 2024. Estimating the Incidence and Economic Cost of Lyme Disease Cases in Canada in the 21st Century with Projected Climate Change. Environmental Health Perspectives 132(2).

Sadoine M.L., Zinszer K., Liu Y., Gachon P., Fournier M., Dueymes G., Dorsey G., Llerena A., Namuganga J.F., Nasri B., Smargiassi A., 2024. Predicting malaria risk considering vector control interventions under climate change scenarios. Scientific Reports 14(1), 2430.

Gousse-Lessard A.-S., Gachon P., Lessard L., Vermeulen V., Boivin M., Maltais D., Landaverde E., Généreux M., Motulsky B., Le Beller J., 2023. Intersectoral approaches: the key to mitigating psychosocial and health consequences of disasters and systemic risks. Disaster Prevention and Management: An International Journal 32(1), 74-99.

Llerena A., Gachon P., Laprise R., 2023. Precipitation Extremes and Their Links with Regional and Local Temperatures: A Case Study over the Ottawa River Basin, Canada. Atmosphere 14(7), 1130.

Moreno-Ibáñez M., Laprise R., Gachon P., 2023. Analysis of the Development Mechanisms of a Polar Low over the Norwegian Sea Simulated with the Canadian Regional Climate Model. Atmosphere 14(6), 998.

Moreno-Ibáñez M., Laprise R., Gachon P., 2023. Assessment of simulations of a polar low with the Canadian Regional Climate Model. PLoS ONE 18 , e0292250.

Morineau C., Boulanger Y., Gachon P., Plante S., St-Laurent M.-H., 2023. Climate change alone cannot explain boreal caribou range recession in Quebec since 1850. Global Change Biology 29(23), 6661-6678.

Sadoine M.L., Smargiassi A., Liu Y., Gachon P., Fournier M., Dueymes G., Namuganga J.F., Dorsey G., Nasri B., Zinszer K., 2023. Differential Influence of Environmental Factors on Malaria Due to Vector Control Interventions in Uganda. International Journal of Environmental Research and Public Health 20(22), 7042.

Yousfi N., El Adlouni S., Papalexiou S.M., Gachon P., 2023. Mixture Probability Models with Covariates: Applications in Estimating Risk of Hydroclimatic Extremes. Journal of Hydrologic Engineering 28(4), 04023011.

Landaverde E., Généreux M., Maltais D., Gachon P., 2022. Respiratory and Otolaryngology Symptoms Following the 2019 Spring Floods in Quebec. International Journal of Environmental Research and Public Health 19(18), 11738.

Sadoine M.L., Smargiassi A., Liu Y., Gachon P., Dueymes G., Dorsey G., Fournier M., Nankabirwa J.I., Rek J., Zinszer K., 2022. The influence of the environment and indoor residual spraying on malaria risk in a cohort of children in Uganda. Scientific Reports 12(1), 11537.

Moreno-Ibáñez M., Laprise R., Gachon P., 2021. Recent advances in polar low research: current knowledge, challenges and future perspectives. Tellus, Series A: Dynamic Meteorology and Oceanography 73 (1), 1-31.

Sadeghieh T., Sargeant J.M., Greer A.L., Berke O., Dueymes G., Gachon P., Ogden N.H., Ng V., 2021. Yellow fever virus outbreak in Brazil under current and future climate. Infectious Disease Modelling 6, 664-677.

Sadeghieh T., Sargeant J.M., Greer A.L., Berke O., Dueymes G., Gachon P., Ogden N.H., Ng V., 2021. Zika virus outbreak in Brazil under current and future climate. Epidemics 37, 100491.

Wazneh H., Gachon P., Laprise R., de Vernal A., Tremblay B., 2021. Atmospheric blocking events in the North Atlantic: trends and links to climate anomalies and teleconnections. Climate Dynamics 56(7-8), 2199-2221.

Wazneh H., Gachon P., Laprise R., de Vernal A., Tremblay B., 2021. Correction to: Atmospheric blocking events in the North Atlantic: trends and links to climate anomalies and teleconnections (Climate Dynamics, (2021), 56, 7-8, (2199-2221), 10.1007/s00382-020-05583-x). Climate Dynamics 56(7-8), 2223.

Bourque C.P., Gachon P., MacLellan B.R., MacLellan J.I., 2020. Projected wind impact on Abies balsamea (Balsam fir)-dominated stands in New Brunswick (Canada) based on remote sensing and regional modelling of climate and tree species distribution. Remote Sensing 12(7), 1177.

Khan S.U., Ogden N.H., Fazil A.A., Gachon P.H., Dueymes G.U., Greer A.L., Ng V., 2020. Current and projected distributions of Aedes aegypti and Ae. Albopictus in Canada and the U.S. Environmental Health Perspectives 128 (5), 057007.

van Bellen S., de Vernal A., To A., Ouellet-Bernier M.-M., Roy N., Allan E., Audet R., Boucher E., Brice C., Dueymes G., Falardeau J., Fichefet T., Fillion M., Fréchette B., Gachon P., Garneau M., Gilson G., Goosse H., Hillaire-Marcel C., Houde N., Laprise R., Ogden N., Saint-Arnaud M., Tremblay B., Vanwambeke S., Wazneh H., van Ypersele J.-P., 2020. A database of Holocene temperature records for north-eastern North America and the north-western Atlantic. Geoscience Data Journal 7(1), 38-43.

Wazneh H., Arain M.A., Coulibaly P., Gachon P., 2020. Evaluating the Dependence between Temperature and Precipitation to Better Estimate the Risks of Concurrent Extreme Weather Events. Advances in Meteorology 2020, 8763631.

Sagurova I., Ludwig A., Ogden N.H., Pelcat Y., Dueymes G., Gachon P., 2019. Predicted northward expansion of the geographic range of the tick vector amblyomma americanum in North America under future climate conditions. Environmental Health Perspectives 127(10), 107014.

Poan E.D., Gachon P., Laprise R., Aider R., Dueymes G., 2018. Investigating added value of regional climate modeling in North American winter storm track simulations. Climate Dynamics 50(5-6), 1799-1818.

Gooré Bi E., Gachon P., Vrac M., Monette F., 2017. Which downscaled rainfall data for climate change impact studies in urban areas? Review of current approaches and trends. Theoretical and Applied Climatology 127(3-4), 685-699.

Ng V., Fazil A., Gachon P., Deuymes G., Radojević M., Mascarenhas M., Garasia S., Johansson M.A., Ogden N.H., 2017. Assessment of the probability of autochthonous transmission of chikungunya virus in Canada under recent and projected climate change. Environmental Health Perspectives 125(6), 067001.

Saad C., Boulanger Y., Beaudet M., Gachon P., Ruel J.-C., Gauthier S., 2017. Potential impact of climate change on the risk of windthrow in eastern Canada’s forests. Climatic Change 143(3-4), 487-501.

Diaconescu E.P., Gachon P., Laprise R., Scinocca J.F., 2016. Evaluation of Precipitation Indices over North America from Various Configurations of Regional Climate Models. Atmosphere-Ocean 54(4), 418-439.

Eum H.-I., Gachon P., Laprise R., 2016. Impacts of model bias on the climate change signal and effects of weighted ensembles of regional climate model simulations: A case study over southern Québec, Canada. Advances in Meteorology 2016, 1478514.

Jelassi M., Gachon P., Laprise R., 2016. Occurrence, durée et intensité des précipitations simulées par deux modèles régionaux canadiens du climat sur la région du Maghreb. Atmosphere-Ocean 54(5), 469-497.

Poan E.D., Gachon P., Dueymes G., Diaconescu E., Laprise R., Seidou Sanda I., 2016. West African monsoon intraseasonal activity and its daily precipitation indices in regional climate models: diagnostics and challenges. Climate Dynamics 47(9-10), 3113-3140.

Saad C., St-Hilaire A., Gachon P., El Adlouni S., 2016. The 2011 flood event in the Richelieu River basin: Causes, assessment and damages. Canadian Water Resources Journal 41 (1-2), 129-138.

Diaconescu E.P., Gachon P., Laprise R., 2015. On the remapping procedure of daily precipitation statistics and indices used in regional climate model evaluation. Journal of Hydrometeorology 16(6), 2301-2310.

Diaconescu E.P., Gachon P., Scinocca J., Laprise R., 2015. Evaluation of daily precipitation statistics and monsoon onset/retreat over western Sahel in multiple data sets. Climate Dynamics 45 (5-6), 1325-1354.

Gooré Bi E., Monette F., Gachon P., Gaspéri J., Perrodin Y., 2015. Quantitative and qualitative assessment of the impact of climate change on a combined sewer overflow and its receiving water body. Environmental Science and Pollution Research 22(15), 11905-11921.

Martin P., Baudouin Y., Gachon P., 2015. An alternative method to characterize the surface urban heat island. International Journal of Biometeorology 59(7), 849-861.

Saad C., El Adlouni S., St-Hilaire A., Gachon P., 2015. A nested multivariate copula approach to hydrometeorological simulations of spring floods: the case of the Richelieu River (Québec, Canada) record flood. Stochastic Environmental Research and Risk Assessment 29(1), 275-294.

Sarr M.A., Gachon P., Seidou O., Bryant C.R., Ndione J.A., Comby J., 2015. Inconsistent linear trends in Senegalese rainfall indices from 1950 to 2007 [Tendances linéaires incohérentes dans les indices pluviométriques sénégalais 1950–2007]. Hydrological Sciences Journal 60(9), 1538-1549.

Benyahya L., Gachon P., St-Hilaire A., Laprise R., 2014. Frequency analysis of seasonal Extreme precipitation in southern Quebec (Canada): An evaluation of regional climate model simulation with respect to two gridded datasets. Hydrology Research 45(1), 115-133.

Ogden N.H., Milka R., Caminade C., Gachon P., 2014. Recent and projected future climatic suitability of North America for the Asian tiger mosquito Aedes albopictus. Parasites and Vectors 7(1), 532.

Roy P., Gachon P., Laprise R., 2014. Sensitivity of seasonal precipitation extremes to model configuration of the Canadian Regional Climate Model over eastern Canada using historical simulations. Climate Dynamics 43(9-10), 2431-2453.

Eum H.-I., Gachon P., Laprise R., 2014. Developing a likely climate scenario from multiple regional climate model simulations with an optimal weighting factor. Climate Dynamics 43 (1-2), 11-35.

Gaitan C.F., Hsieh W.W., Cannon A.J., Gachon P., 2014. Evaluation of linear and non-linear downscaling methods in terms of daily variability and climate indices: Surface temperature in Southern Ontario and Quebec, Canada. Atmosphere-Ocean 52(3), 211-221.

Bonsal B.R., Aider R., Gachon P., Lapp S., 2013. An assessment of Canadian prairie drought: Past, present, and future. Climate Dynamics 41(2), 501-516.

Jeong D.I., St-Hilaire A., Ouarda T.B.M.J., Gachon P., 2013. A multi-site statistical downscaling model for daily precipitation using global scale GCM precipitation outputs. International Journal of Climatology 33(10), 2431-2447.

Jeong D.I., St-Hilaire A., Ouarda T.B.M.J., Gachon P., 2013. Projection of future daily precipitation series and extreme events by using a multi-site statistical downscaling model over the great Montréal area, Québec, Canada. Hydrology Research 44(1), 147-168.

Jeong D.I., St-Hilaire A., Ouarda T.B.M.J., Gachon P., 2013. Projection of multi-site daily temperatures over the Montréal area, Canada. Climate Research 56(3), 261-280.

Khalili M., Van Nguyen V.T., Gachon P., 2013. A statistical approach to multi-site multivariate downscaling of daily extreme temperature series. International Journal of Climatology 33(1), 15-32.

Sarr M.A., Zoromé M., Seidou O., Bryant C.R., Gachon P., 2013. Recent trends in selected extreme precipitation indices in Senegal-A changepoint approach. Journal of Hydrology 505, 326-334.

Eum H.-I., Gachon P., Laprise R., Ouarda T., 2012. Evaluation of regional climate model simulations versus gridded observed and regional reanalysis products using a combined weighting scheme. Climate Dynamics 38(7-8), 1433-1457.

Jeong D.I., St-Hilaire A., Ouarda T.B.M.J., Gachon P., 2012. A multivariate multi-site statistical downscaling model for daily maximum and minimum temperatures. Climate Research 54(2), 129-148.

Jeong D.I., St-Hilaire A., Ouarda T.B.M.J., Gachon P., 2012. Comparison of transfer functions in statistical downscaling models for daily temperature and precipitation over Canada. Stochastic Environmental Research and Risk Assessment 26(5), 633-653.

Jeong D.I., St-Hilaire A., Ouarda T.B.M.J., Gachon P., 2012. CGCM3 predictors used for daily temperature and precipitation downscaling in Southern Québec, Canada. Theoretical and Applied Climatology 107(3-4), 389-406.

Jeong D.I., St-Hilaire A., Ouarda T.B.M.J., Gachon P., 2012. Multisite statistical downscaling model for daily precipitation combined by multivariate multiple linear regression and stochastic weather generator. Climatic Change 114(3-4), 567-591.

Roy P., Gachon P., Laprise R., 2012. Assessment of summer extremes and climate variability over the north-east of North America as simulated by the Canadian Regional Climate Model. International Journal of Climatology 32(11), 1615-1627.

Hanesiak J.M., Stewart R.E., Bonsal B.R., Harder P., Lawford R., Aider R., Amiro B.D., Atallah E., Barr A.G., Black T.A., Bullock P., Brimelow J.C., Brown R., Carmichael H., Derksen C., Flanagan L.B., Gachon P., Greene H., Gyakum J., Henson W., Hogg E.H., Kochtubajda B., Leighton H., Lin C., Luo Y., McCaughey J.H., Meinert A., Shabbar A., Snelgrove K., Szeto K., Trishchenko A., Van Der Kamp G., Wang S., Wen L., Wheaton E., Wielki C., Yang Y., Yirdaw S., Zha T., 2011. Characterization and summary of the 1999-2005 Canadian prairie drought. Atmosphere-Ocean 49(4), 421-452.

Harding A.E., Gachon P., Nguyen V.-T.-V., 2011. Replication of atmospheric oscillations, and their patterns, in predictors derived from Atmosphere-Ocean Global Climate Model output. International Journal of Climatology 31(12), 1841-1847.

Khaliq M.N., Ouarda T.B.M.J., Gachon P., Sushama L., 2011. Stochastic modeling of hot weather spells and their characteristics. Climate Research 47(3), 187-199.

Khaliq M.N., Gachon P., 2010. Pacific decadal oscillation climate variability and temporal pattern of winter flows in northwestern North America. Journal of Hydrometeorology 11(4), 917-933.

Khaliq M.N., Ouarda T.B.M.J., Gachon P., 2009. Identification of temporal trends in annual and seasonal low flows occurring in Canadian rivers: The effect of short- and long-term persistence. Journal of Hydrology 369(1-2), 183-197.

Khaliq M.N., Ouarda T.B.M.J., Gachon P., Sushama L., St-Hilaire A., 2009. Identification of hydrological trends in the presence of serial and cross correlations: A review of selected methods and their application to annual flow regimes of Canadian rivers. Journal of Hydrology 368(1-4), 117-130.

Dibike Y.B., Gachon P., St-Hilaire A., Ouarda T.B.M.J., Nguyen V.T.-V., 2008. Uncertainty analysis of statistically downscaled temperature and precipitation regimes in Northern Canada. Theoretical and Applied Climatology 91(1-4), 149-170.

Hessami M., Gachon P., Ouarda T.B.M.J., St-Hilaire A., 2008. Automated regression-based statistical downscaling tool. Environmental Modelling and Software 23(6), 813-834.

Hundecha Y., St-Hilaire A., Ouarda T.B.M.J., El Adlouni S., Gachon P., 2008. A nonstationary extreme value analysis for the assessment of changes in extreme annual wind speed over the gulf of St. Lawrence Canada. Journal of Applied Meteorology and Climatology 47(11), 2745-2759.

Khaliq M.N., Ouarda T.B.M.J., Gachon P., Sushama L., 2008. Temporal evolution of low-flow regimes in Canadian rivers. Water Resources Research 44(8), W08436.

Quilbé R., Rousseau A.N., Moquet J.-S., Trinh N.B., Dibike Y., Gachon P., Chaumont D., 2008. Assessing the Effect of Climate Change on River Flow Using General Circulation Models and Hydrological Modelling–Application to the Chaudière River, Québec, Canada. Canadian Water Resources Journal 33(1), 73-94.

Bokoye A.I., Gachon P., Gauthier N., Parishkura D., Cotnoir A., Vigeant G., Milton J., 2007. Assessment of global climate characterization of duration, intensity and frequency of daily rainfall: Application to African Sahel. 87th AMS Annual Meeting.

Gachon P., Dibike Y., 2007. Temperature change signals in northern Canada: Convergence of statistical downscaling results using two driving GCMs. International Journal of Climatology 27(12), 1623-1641.

Khaliq M.N., Gachon P., St.-Hilaire A., Ouarda T.B.M.J., Bobée B., 2007. Southern Quebec (Canada) summer-season heat spells over the 1941-2000 period: An assessment of observed changes. Theoretical and Applied Climatology 88(1-2), 83-101.

Khaliq M.N., Ouarda T.B.M.J., St.-Hilaire A., Gachon P., 2007. Bayesian change-point analysis of heat spell occurrences in Montreal, Canada. International Journal of Climatology 27(6), 805-818.

Nguyen T.-D., Nguyen V.-T.-V., Gachon P., 2007. A spatial-temporal downscaling approach for construction of intensity-duration-frequency curves in consideration of GCM-based climate change scenarios. Advances in Geosciences: Volume 6: Hydrological Science (HS), 11-21.

Khaliq M.N., Ouarda T.B.M.J., Ondo J.-C., Gachon P., Bobée B., 2006. Frequency analysis of a sequence of dependent and/or non-stationary hydro-meteorological observations: A review. Journal of Hydrology 329(3-4), 534-552.

Nguyen V.-T.-V., Nguyen T.-D., Gachon P., 2006. On the linkage of large-scale climate variability with local characteristics of daily precipitation and temperature extremes: An evaluation of statistical downscaling methods. Advances in Geosciences Volume 4: Hydrological Science (HS), 1-10.

Saucier F.J., Senneville S., Prinsenberg S., Roy F., Smith G., Gachon P., Caya D., Laprise R., 2004. Modelling the sea ice-ocean seasonal cycle in Hudson Bay, Foxe Basin and Hudson Strait, Canada. Climate Dynamics 23(3-4), 303-326.

Gachon P., Laprise R., Zwack P., Saucier F.J., 2003. The effects of interactions between surface forcings in the development of a model-simulated polar low in Hudson Bay. Tellus, Series A: Dynamic Meteorology and Oceanography 55(1), 61-87.

Alpizar Tirzo, Milena : Doctorat en sciences de la Terre et de l'atmosphère
Département des sciences de la Terre et de l'atmosphère, Université du Québec à Montréal
Codirection : Alejandro Di Luca, ESCER-UQAM
Sujet de recherche : Évaluation des systèmes convectifs de méso-échelle et des précipitations extrêmes associées dans l’est du Canada : analyse des conditions actuelles et futures
Chebbah, Yousra : Maîtrise professionnelle - Géographie
Département de géographie, Université du Québec à Montréal
Codirection : Olivier J. Caron
Sujet de recherche : Impact après les feux de forêt sur la température de surface et l’humidité du sol à Abitibi-Témiscamingue
Deschamps, Bernard : Doctorat en sciences de l'environnement
Institut des sciences de l'environnement, Université du Québec à Montréal
Codirection : Mathieu Boudreault, ESCER-UQAM 
Sujet de recherche : Gestion du risque d’inondations au Québec : vers une contribution accrue des municipalités
Konseibo, Abdel : Doctorat en sciences de la Terre et de l'atmosphère
Département des sciences de la Terre et de l'atmosphère, Université du Québec à Montréal
Codirection : Yan Boulanger, Ressources naturelles Canada
Sujet de recherche : Identification et évaluation des liens entre la convection atmosphérique et les éclairs à l’origine du déclenchement des feux de forêts au Québec à l’aide du MRCC6/GEM5
Le Gall, Goulven : Doctorat en sciences de la Terre et de l'atmosphère
Département des sciences de la Terre et de l'atmosphère, Université du Québec à Montréal
Codirection : Biljana Music, ESCER et Ouranos
Sujet de recherche : Effet de la résolution spatiale du MRCC6-GEM5 sur le bilan hydrique, les flux de surface et l’hydrologie du sol
Michaud, Amélie : Maîtrise en sciences de l'environnement
Institut des sciences de l'environnement, Université du Québec à Montréal
Codirection : Martin Leduc, ESCER et Ouranos
Sujet de recherche : Évaluation des rafales de vents dans le MRCC6/GEM5