Formation académique:

Maîtrise - Météorologie, Université McGill, 1977.
Doctorat - Physique Atmosphérique, Université de Toronto, 1988.

Domaines d'intérêt:

Modélisation régionale du climat, changement climatique, mésométéorologie, méthodes numériques

Résumé de la recherche



Publications récentes:

Alexandru, A., R. de Elía, R. Laprise, L. Separovic and S. Biner: Influence of Large-Scale Nudging on ensemble simulationswith a regional climate model. Mon. Wea. Rev. (en revision).

Laprise, R., 2008: Regional climate modelling. J. Comp. Phys. 227, Special issue on « Predicting weather, climate and extreme events » (sur invitation), 3641–3666.

Laprise, R., R. de Elía, D. Caya, S. Biner, Ph. Lucas-Picher, E. P. Diaconescu, M. Leduc, A. Alexandru and L. Separovic, 2008: Challenging some tenets of Regional Climate Modelling. Meteor. Atmos. Phys. 100, Special Issue on Regional Climate Studies (sur invitation), 3-22 (DOI 10.1007/s00703-008-0292-9).

Leduc, M., and R. Laprise, 2008: Regional Climate Model sensitivity to domain size. Clim. Dyn. (accepté 19 mars 2008).

Lucas-Picher, Ph., D. Caya, R. de Elía and R. Laprise,, 2008: Investigation of regional climate models’ internal variability with a ten-member ensemble of ten years over a large domain. Clim. Dyn. (accepté 15 février 2008), DOI 10.1007/s00382-008-0384-8.

Lucas-Picher, Ph., D. Caya, S. Biner and R. Laprise: Use of an ageing tracer measuring the residency time of the atmospheric parcels into the limited-area domain for RCM purposes. Mon. Wea. Rev. (accepté 7 avril 2008).

Qian, M., C. Jones, R. Laprise, and D. Caya, 2008: The influences of NAO and the Hudson Bay sea-ice on the climate of Eastern Canada. Clim. Dyn. 31(2-3), 169-182 (DOI 10.1007/s00382-007-0343-9).

Separovic, L., R. de Elía and R. Laprise, 2008: Reproducible and irreproducible components in ensemble simulations of a Regional Climate Model. Clim. Dyn. (sous presse) DOI 10.1175/2008 MWR2393.1.

Wyser, K., C. G. Jones, P. Du, E. Girard, U. Willén, J. Cassano, J. H. Christensen, J. A. Curry, K. Dethloff, J.-E. Haugen, D. Jacob, M. Køltzow, R. Laprise, A. Lynch, S. Pfeifer, A. Rinke, M. Serreze, M. J. Shaw, M. Tjernström and M. Zagar, 2008: An evaluation of Arctic cloud and radiation processes during the SHEBA year: Simulation results from 8 Arctic Regional Climate Models. Clim. Dyn. 30(2-3), 203-223, 10.1007/s00382-007-0286-1.

Zadra, A., D. Caya, J. Côté, B. Dugas, C. Jones, R. Laprise, K. Winger and L.-Ph. Caron, 2008: The next Canadian Regional Climate Model. Physics in Canada 64(2), Special Issue on Fast Computing (sur invitation), 75-83.

Alexandru, A., R. de Elía and R. Laprise. 2007. Internal variability in regional climate downscaling at the seasonal time scale. Mon. Wea. Rev. 135(9), 3221-3238.

Bielli, S., and R. Laprise. 2007. Time mean and variability of the scale-decomposed atmospheric water budget in a 25-year simulation of the Canadian Regional Climate Model over North America. Clim. Dyn. 29(8), 763-777, (10.1007/s00382-007-0266-5).

Brochu, R. and R., Laprise. 2007. Surface water and energy budgets over the Mississippi and Columbia river basins as simulated by two generations of the Canadian Regional Climate Model. Atmosphere-Ocean 45(1), 19-35.

Diaconescu, E. P., R. Laprise and L. Sushama, 2007: The impact of lateral boundary data errors on the simulated climate of a nested Regional Climate Model. Clim. Dyn. 28(4), 333-350.

Long, Z., W. Perrie, J. Gyakum, R. Laprise and D. Caya, 2007: Northern lake impacts on local seasonal climate. J. Hydrometeor. 8(4), 881-896.

Sushama, L., R. Laprise, D. Caya, D. Verseghy and M. Allard, 2007: An RCM projection of soil thermal and moisture regimes for North American permafrost zones. Geophys. Rev. Lett. 34(L20711), 6 pp.

Bielli, S. and R. Laprise, 2006: A methodology for regional scale-decomposed atmospheric water budget: Application to a simulation of the Canadian regional climate model nested by NCEP reanalyses over North Armerica. Mon. Wea. Rev., 134: 854-873.

Sushama L., R. Laprise, D. Caya, A. Frigon, and M. Slivitzky. 2006. Canadian RCM projected climate change signal and its sensitivity to model errors. Int. J. Climatol. 26 (15) : 2141-2159.

Sushama L., R. Laprise, I. Popadic and M. Allard. 2006. Modeled current and future soil thermal regime for northeast Canada. J. Geophys. Res., 111, D18111, doi:10.1029/2005JD007027, 2006.

Wyser, K., C. G. Jones, P. Du, E. Girard, U. Willén, J. Cassano, J. H. Christensen, J. A. Curry, K. Dethloff, J.-E. Haugen, D. Jacob, M. Køltzow, R. Laprise, A. Lynch, S. Pfeifer, A. Rinke, M. Serreze, M. J. Shaw, M. Tjernström and M. Zagar. 2006. An Evaluation of Arctic Cloud and Radiation processes during the SHEBA year: Simulation results from 8 Arctic Regional Climate Models. (soumis)

de Elía, R. and R. Laprise, 2005: Diversity in interpretations of probability and its implications in weather and climate forecasting. Mon. Wea. Rev., 133 (5), 1129-1143.

de Elía, R. and R. Laprise. 2005. Probabilities, probabilities, and probabilities. Essay in Bull. Amer. Meteo. Soc. 86, 1224-1225.

Dimitrijevic, M., and R. Laprise, 2005: Validation of the nesting technique in a RCM and sensitivity tests to the resolution of the lateral boundary conditions during summer. Clim. Dyn. 25, 550-580.

Rinke, A., K. Dethloff, J. J. Cassano, J. H. Christensen, J. A. Curry, P. Du, E. Girard, J.-E. Haugen, D. Jacob, C. G. Jones, M. Køltzow, R. Laprise, A. H. Lynch, S. Pfeifer, M. C. Serreze, M. J. Shaw, M. Tjernström, K. Wyser and M. Zagar. 2005. Evaluation of an Ensemble of Arctic regional climate models: Spatiotemporal fields during the SHEBA year. Clim. Dyn. DOI 10.1007/s00382-005-0095-3.

Antic, S., R. Laprise, B. Denis, and R. de Elía, 2004: Testing the downscaling ability of a one-way nested regional climate model in regions of complex topography. Clim. Dyn. 23, 473-493.

Faucher, M., D. Caya, F.J. Saucier and R. Laprise, 2004: Sensitivity of the CRCM Atmospheric and the Gulf of St. Lawrence Ocean-Ice Models to Each Other. Atmos.-Ocean 42(2), 85-100.

Saucier, F., S. Senneville, S. Prinsenberg, F. Roy, G. Smith, P. Gachon, D. Caya and R. Laprise, 2004: Modelling the sea ice - ocean seasonal cycle in Hudson Bay, Foxe Basin and Hudson Strait, Canada. Clim. Dyn. 23: 303–326.

Sushama, L., R. Laprise, D. Caya,M. Larocque, and M. Slivitzky, 2004: On the variable-lag and variable-velocity cell-to-cell routine schemes for climate models. Atmos.-Ocean 42(4), 221-233.

Anderson C. J., R. W. Arritt, E. S. Takle, Z. Pan, W. J. Gutowski Jr., R. da Silva, D. Caya, J. H. Christensen, D. Luthi, M.A. Gaertenr, C. Gallardo, F. Giorgi, R. Laprise, S.-Y. Hong, C. Jones, H.-M.H. Juang, J. J. Katzfey, J. L. McGregor, W. M. Lapenta, J. W. Larson, J. A. Taylor, G. E. Liston, R. A. Pielke Sr. and J. O. Roads, 2003: Hydrological Processes in Regional Climate Model Simulations of the Central United States Flood of June-July 1993. J. Hydromet., 4, 584-598.

Bénard, P., R. Laprise, J. Vivoda and P. Smolíková, 2003: Stability of leap-fog constant-coefficient semi-implicit schemes for the fully elastic system of Euler equations. Flat-terrain case. Mon. Wea. Rev. 132, 1306-1318.

de Elía, R. and R. Laprise, 2003: Distribution-oriented verification of Limited-Area Model Forecast in a Perfect-Model Framework. Mon. Wea. Rev. 131, 2492-2509.

Denis, B., R. Laprise and D. Caya, 2003: Sensitivity of a Regional Climate Model to the spatial resolution and temporal updating frequency of the lateral boundary conditions. Clim. Dyn., 20, 107-126.

Gachon, P., R. Laprise, P. Zwack and F. J. Saucier, 2003: The effects of interactions between surface forcings in the development of model-simulated polar low in the Hudson Bay. Tellus - Series A - Dynamic Meteorology and Oceanography 55 (1), 61-67.

Laprise, R., 2003: Resolved scales and nonlinear interactions in limited-area models. J. Atmos. Sci. 60 (5), 768-779.

Laprise, R., D. Caya, A. Frigon, and D. Paquin, 2003: Current and perturbed climate as simulated by the second-generation Canadian Regional Climate Model (CRCM-II) over north-western North America. Clim. Dyn. 21: 405-421

Lucas-Picher, P., V. K. Arora, D. Caya and R. Laprise, 2003. Implementation of a large-scale variable velocity flow routing algorithm in the Canadian Regional Climate Model (CRCM). Atmos.-Ocean, 41(2), 139-153.

Barrette, N., and R. Laprise, 2002: Numerical modeling: A complementary tool for studying CO2 emissions from hydroelectric reservoirs. Global Biogeochem. Cycles, 16(4), 1128, 75 - 1-11.

de Elía, R., R. Laprise and B. Denis, 2002: Forcasting skill limits of nested, limited-area models: A perfect-model approach. Mon. Wea. Rev. 130: 2006-2023.

Denis, B., J. Côté and R. Laprise, 2002: Spectral decomposition of two-dimensional atmospheric fields on limited-area domains using discrete cosine transforms (DFT). Mon. Wea. Rev. 130,1812-1829 .

Denis, B., R. Laprise, D. Caya and J. Côté, 2002: Downscaling ability of one-way-nested regional climate models: The Big-Brother experiment. Clim. Dyn. 18, 627-646.

Lorant, V., N. McFarlane and R. Laprise, 2002: A numerical study using the Canadian Regional Climate Model for the (Baltex) PIDCAP period. Boreal Environment Research 7(3), 203-210.

Goyette, S., M. Beniston, P. Jungo, D. Caya and R. Laprise, 2001: Numerical investigation of an extreme storm with the Canadian RCM: The case study of windstorm VIVIAN, Switzerland, February 27, 1990. Clim. Dyn. 18, 145-168.

Laprise, R., M. Ravi Varma, B. Denis, D. Caya and I. Zawadzki, 2000: Predictability in a nested limited-area-model. Mon. Wea. Rev. 128 (12), 4149-4154.

Bouchet, V. S., R. Laprise, E. Torlaschi and J. C. McConnell, 1999: Studying ozone climatology with a regional climate model. Part 1: Model description and evaluation. J. Geophys. Res., 104, 30351-30372.

Bouchet, V. S., R. Laprise, E. Torlaschi, J. C. McConnell and D. A. Plummer, 1999: Studying ozone climatology with a regional climate model. Part 2: Climatology. J. Geophys. Res., 104, 30373-30386.

Caya, D., and R. Laprise, 1999: A semi-implicit semi-Lagrangian regional climate model: The Canadian RCM. Mon. Wea. Rev. 127 (3), 341-362.

Takle, E. S., W. J. Gutowski Jr., R. W. Arritt, Z. Pan, C. J. Anderson, R. Silva, D. Caya, S.-C. Chen, J. H. Christensen, S.-Y. Hong, H.-M. H. Juang, J. J. Katzfey, W. M. Lapenta, R. Laprise, P. Lopez, J. McGregor and J. O. Roads, 1999: Project to Intercompare Regional Climate Simulations (PIRCS): Description and initial results. J. Geophys. Res., 104 (19), 443-19,462.

Caya, A., R. Laprise and P. Zwack, 1998: On the effect of using process splitting for implementing physical forcings in a semi-implicit semi-Lagrangian model. Mon. Wea. Rev., 126 (6), 1707-1713.

Laprise, R., D. Caya, M. Giguère, G. Bergeron, H. Côté, J.-P. Blanchet, G. J. Boer and N. McFarlane, 1998: Climate and Climate Change in Western Canada as Simulated by the Canadian Regional Climate Model. Atmos.-Ocean 36 (2), 119-167.

Laprise, R., D. Caya, G. Bergeron and M. Giguère, 1997: The formulation of André Robert MC2 (Mesoscale Compressible Community) model. Atmos.-Ocean 35 (1), 195-220.

Goyette, S., and R. Laprise, 1996: FIZ-R: A simplified regional climate modelling approach. J. Climate 9 (12), 3463-3495.

Héreil, P., and R. Laprise, 1996: Sensitivity of internal gravity wave solutions to the timestep of a semi-implicit semi-Lagrangian non-hydrostatic model. Mon. Wea. Rev. 124 (4), 972-999.

Caya, D., R. Laprise, M. Giguère, G. Bergeron, J.-P. Blanchet, B.-J. Stocks, G.-J. Boer and N.A. McFarlane, 1995: Description of the Canadian Regional Climate Model. Water, Air and Soil Pollution, 82 (1/2), 477-482. (Also reproduced in the book: Boreal Forests and Global Change).

Laprise, R., and A. Plante, 1995: SLIC: A semi-Lagrangian Integrated-by-cell mass-conserving numerical transport scheme. Mon. Wea. Rev., 123 (2), 553-565.

Pellerin, P., R. Laprise and I. Zawadzki, 1995: The performance of a semi-Lagrangian transport scheme for the advection-condensation problem. Mon. Wea. Rev. 123 (11), 3318-3330.

Pinty, J.-P., R. Benoit, E. Richard and R. Laprise, 1995: Simple tests of a semi-implicit semi-Lagrangian model on 2D mountain wave problems. Mon. Wea. Rev. 123 (10), 3042-3058.

Zawadzki, I., J. Morneau and R. Laprise, 1994: Predictability of precipitation patterns: An operational approach. J. Appl. Meteor., 33, 1562-1571.

Laprise, R., 1993: An assessment of the WKBJ approximation to the vertical structure of linear mountain waves: Implications for gravity-wave drag parameterization. Mon. Wea. Rev., 50 (11), 1469-1487.

Zawadzki, I., L. Ostiguy and R. Laprise, 1993: Retieval of the Microphysical Properties in a CASP Storm by Integration of a Numerical Kinematic Model. Atmos.-Ocean, 31 (2), 201-233.

Laprise, R., 1992: The Euler equation of motion with hydrostatic pressure as independent coordinate. Mon. Wea. Rev., 120 (1), 197-207.

Laprise, R., and C. Girard, 1990: A spectral general circulation model using a piecewise-constant finite-element representation on a hybrid vertical coordinate system. J. Climate, 3(1), 32-52.

Ostiguy, L., and R. Laprise, 1990: On the positivity of concentration in commonly used numerical transport schemes. Atmos.-Ocean, 28(2), 147-161.

Tanguay, M., A. Robert and R. Laprise, 1990: A semi-implicit semi-Lagrangian fully compressible regional forecast model. Mon. Wea. Rev., 118(10), 1970-1980.

Laprise, R. and W. R. Peltier, 1989: The structure and energetics of transient eddies in a simulation of breaking mountain waves. J. Atmos. Sci., 46(4), 565-585.

Laprise, R. (a Lead Author to Chap. 11) 2007 « Regional Climate Projections ». IPCC Fourth Assessment Report (AR4) «Climate Change 2007: The Physical Science Basis ».

Laprise, R., a lead author to Chap. 11 of IPCC fourth assessment report (AR4), by Christensen, J. H., B. Hewitson, A. Busuioc, A. Chen, X. Gao, I. Held, R. Jones, R. K. Kolli, W.-T. Kwon, R. Laprise, V. Magaña Rueda, L. Mearns, C. G. Menéndez, J. Räisänen, A. Rinke, A. Sarr and P. Whetton, 2007: Regional Climate Projections. Chap. 11 in « Climate Change 2007: The Physical Science Basis ». Contribution of Working Group I (WGI) to the Fourth Assessment Report (AR4) of the Intergovernmental Panel on Climate Change (IPCC) [Solomon, S., D. Qin, M. Manning, Z. Chen, M. Marquis, K.B. Averyt, M. Tignor and H.L. Miller (eds.)]. Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA. (http://ipcc-wg1.ucar.edu/wg1/wg1-report.html)

Alexandru, A., R. de Elía and R. Laprise. 2006. Geographical Distribution of Internal Variability in Regional Climate Downscaling. Research activities in Atmospheric and Oceanic Modelling, WMO/TD, edited by J. Côté, April 2006, 7.01-02.

Diaconescu, E. P., and René Laprise 2006. The impact of lateral boundary data errors on the simulated climate of a nested Regional Climate Model. Research activities in Atmospheric and Oceanic Modelling, WMO/TD, edited by J. Côté, April 2006, 5.13-14.

Leduc M. and R. Laprise. 2006. CRCM sensitivity to domain size. Research activities in Atmospheric and Oceanic Modelling, WMO/TD, edited by J. Côté, April 2006, 7.17-18.

Radojevic, M., P. Zwack and R. Laprise. 2006. Impact of enhanced greenhouse gases on Northern Hemisphere extra-tropical cyclone activity in 2041-2070 as simulated by the CGCM3. Research activities in Atmospheric and Oceanic Modelling, WMO/TD, edited by J. Côté, April 2006 – 9.03-04.

Radojevic, M., P. Zwack and R. Laprise. 2006. Northern-Hemisphere extra-tropical cyclone activity in 1961-1990: Comparison of the CGCM3 with the NCEP/NCAR reanalyses. Research activities in Atmospheric and Oceanic Modelling, WMO/TD, edited by J. Côté, April 2006 – -9.05-06.

Rosu, C., and R. Laprise. 2006. The Relationship between Cyclone Characteristics and Annual Hydrological Resources over Québec. Research activities in Atmospheric and Oceanic Modelling, WMO/TD, edited by J. Côté, April 2006 – 2.41-42.

Separovic, L., R. de Elia and R. Laprise. 2006. Stochastic and deterministic components in limited-area model downscaling. Research activities in Atmospheric and Oceanic Modelling, WMO/TD, edited by J. Côté, April 2006 – 5.55-56.

Bärring, L., and R. Laprise (Editors). 2005. High-resolution climate modelling: Assessment, added value and applications. Extended Abstracts of a WMO/WCRP-sponsored regional-scale climate modelling Workshop, 29 March - 2 April 2004, Lund (Sweden). Lund University electronic reports in physical geography, 132 pp. (http://www.nateko.lu.se/ELibrary/Lerpg/5/Lerpg5Article.pdf) .

Laprise, R. 2005. High-resolution climate modelling : Assessment, added value and applications. World Climate News, World Meteorological Organisation, No. 26, January 2005, 9 (http://www.wmo.ch/index-en.html).