%0 Conference Proceedings %F Papadakis07d %A Papadakis, N. %A Héas, P. %A Mémin, E. %T Motion estimation of 2D atmospheric layers with variational assimilation techniques %B 15th Satellite Meteorology and Oceanography Conf. of the American Meteorological Soc %P 1-8 %C Amsterdam, The Netherlands %8 September %D 2007