14th Conference on Satellite Meteorology and Oceanography


A Simple 1DVAR Approach Toward Cloudy Infared Radiance Assimilation

Sylvain Heilliette, EC, Dorval, QC, Canada; and L. Garand

A simple two parameters cloud emissivity model is proposed in the context of infrared radiance assimilation. The application of that model to real AIRS hyperspectral data to retrieve effective cloud height and emissivity is illustrated. 1D variational experiments using about 125 channels are presented and show encouraging results. Results from 3D variational experiments should be available at the time of the conference to illustrate the impact of cloudy radiance assimilation in analyses and forecasts.

extended abstract  Extended Abstract (160K)

Poster Session 5, Data Assimilation
Thursday, 2 February 2006, 9:45 AM-9:45 AM, Exhibit Hall A2

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