Quality assurance for the GMES Atmospheric Service: Engineering challenges, status and perspectives

This paper describes the architecture of the system being laid down to support product and service validation for the GMES Atmospheric Service (GAS), as well as how its elements connect with each other and with external features. It provides an account of the experience gained from previous projects having contributed to build up the GAS, describes the current status of the GAS validation system, and outlines the perspectives opening up.