Dr. Monique Tanguay

Research scientist - Adjoint applications in 4D-Var and Numerical methods for global and limited-area modelling

Current research and/or projects

Research in numerical weather prediction from the local to the global scale, and for time scales ranging from minutes to seasons

  • Adjoint applications as used in 4D-Var data assimilation in the context of global and limited-area models
  • Numerical methods for atmosphere and their efficient implementation on parallel supercomputers

Professional activities / interests

Associate editor: Atmosphere-Ocean

Member of the scientific committee for the "7th International Workshop on Adjoint Applications in Dynamic Meteorology", Austria, 2006

Treasurer at SCMO congress, Montréal,1999

Education and awards

Ph.D. (1984) Transport problem, Département de mathématiques et de statistique, Université de Montréal.

M. Sc. (1979) Applied mathematics, Département de mathématiques et de statistique, Université de Montréal.

B. Sc. (1977) Département de mathématiques et de statistique , Université de Montréal.

Key publications

Tanguay M., L.Fillion, E.Lapalme, and M.Lajoie, 2012. Four-Dimensional Variational Data Assimilation for the Canadian Regional Deterministic Prediction System. Mon.Wea.Rev., 140, 5, 1517-1538

Qaddouri,A., J.Pudykiewicz,M.Tanguay,C.Girard, and J.Cote,2012. Experiments with different discretizations for the Shallow-Water equations on the sphere. Quart. J. Roy. Meteor. Soc., 138, 665, 989-1003.

Fillion, L., M.Tanguay, E.Lapalme, B.Denis, M.Desgagne, V.Lee, N.Ek, Z.Liu, M.Lajoie, J.-F. Caron, and C.Page, 2010. The Canadian Regional Data Assimilation and Forecasting System. Weather and Forecasting, 25, 6, 1645-1669.

Gauthier, P., M. Tanguay, S. Laroche, S. Pellerin and J. Morneau. 2007. Extension of 3D-Var to 4D-Var: Implementation of 4D-Var at the Meteorological Service of Canada. Mon. Wea. Rev. 135:2339-2354.

Laroche, S., P.Gauthier, M.Tanguay, S.Pellerin and J.Morneau. 2007. Impact of the different components of 4D-Var on the global forecast system of the Meteorological Service of Canada. Mon.Wea.Rev. 135:2355-2364.

Tanguay, M. and S.Polavarapu. 1999. The adjoint of the semi-Lagrangian treatment of the passive tracer equation. Mon. Wea. Rev. 127:551-564.

Ritchie, H. and M.Tanguay. 1996. A comparison of spatially-averaged eulerian and semi-Lagrangian treatments of mountains. Mon. Wea. Rev. 124:167-181.

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

Tanguay, M., A.Simard and A. Staniforth. 1989. A three-dimensional semi-Lagrangian scheme for the Canadian regional finite-element forecast model. Mon. Wea. Rev. 117:1861-1871.

Research facility

2121, route Transcanadienne
Dorval, QC H9P 1J3