Téthys: automating a data workflow compiling over 300 years of bathymetric information

With more than 300 years of existence, the Shom is the oldest active hydrographic service in the world. Compiling and deconflicting that much history is a real challenge. This article will feature the different steps of the workflow allowing Shom to compile over 300 years of bathymetric knowledge. The data access web portal will also be introduced to show the type of user experience built to access this information.