Hi Dimitris, Thank you very much. I am trying to download needed files and have a test, but I can not find files 'RG_v10m' and 'run-off.bin_1x1' that data.exf noted in http://ecco2.org/products/model_setups/ncep_rgau/ , why? Best regards, liuyu ly_elvis at yahoo.com.cn 2006-06-19