Sylvain Heilliette

Research Scientist - Assimilation of infrared sounder radiances in NWP
Environment and Climate Change Canada

Current research and/or projects

Contributing to Environment Canada’s mandate to improve meteorological forecasts

Assimilation of cloud affected infrared AIRS radiances

Education and awards

Ph. D. (Physics), Universite Joseph Fourier (Grenoble, France)

Key publications

Heilliette, S. and L. Garand. 2007. A practical approach for the assimilation of cloudy infrared radiances: methodology and impact evaluation using AIRS simulated observations. Atmosphere Ocean. (In press).

Garand L., S. Heilliette and M. Buhner. 2006. Inter-channel error correlation associated with AIRS radiance observations: inference and impact in data assimilation. Journal of Applied Meteorology and Climatology. 46:714-725, doi: 10.1175/JAM2496.1.

Saunders R., P. Brunel, A. Von Engeln, N. Bormann, L. Strow, S. Hannon, S. Heilliette, X. Liu, F. Miskolczi, Y. Han, G. Masiello, J.-L. Moncet, G. Uymin, V. Sherlock, D.S. Turner. 2007. A comparison of radiative transfer models for simulating AIRS radiances J. Geophys. Res. 112, D01S90, doi:10.1029/2006JD007088

Crevoisier, C., S. Heilliette, A. Chédin, S. Serrar, R. Armante and N.A. Scott. 2004. Midtropospheric CO2 concentration retrieval from AIRS observations in the tropics. Geophys. Res. Lett. 31, L17106, doi:10.1029/2004GL020141

Heilliette, S., N.A. Scott, A. Chédin and R. Armante. 2004. Parametrization of the effect of surface reflection on spectral infrared radiance measurements. Application to IASI. J. Quant. Spectrosc. Radiat. Transfer. 86(2):201-214, doi:10.1016/j.jqsrt.2003.08.002