A study of polar ozone depletion based on sequential assimilation of satellite data from the ENVISAT/MIPAS and Odin/SMR instruments J. D. Rösevall, D. P. Murtagh, J. Urban, and A. K. Jones Department of Radio & Space Science, Chalmers Univ. of Technology, Göteborg, Sweden Received: 3 July 2006 – Accepted: 9 October 2006 – Published: 10 October 2006 Correspondence to: J. D. Rösevall (rosevall@rs...