L4 Surface Roughness Map
Product access
FTP access
The product is freely available on FTP/HTTPS:
ftp ftp.ifremer.fr
user: ext-catds-cecsm
password: catds2010
chdir: Land_products/L4_Surface_Roughness_map
or ftp://ext-catds-cecsm:catds2010@ftp.ifremer.fr/Land_products/L4_Surface_Roughness_map (no longer works in the recent versions of most of the web browers)
or https://data.catds.fr/cecsm/Land_products/L4_Surface_Roughness_map/