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      Beginner's trailInitiate's trailInput dataModellingAssimilationOperational systemsValidationAO GMMC   GlossarySite mapSearch engine Français  Printable version
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Systems validationValidation corresponds to operational systems output quality assessment. This is mainly done by comparing model outputs with observations (either from satellites or in situ measurements), considered as 'sea-truthing'. The validation activity takes place in two stages. A first stage known as the 'short loop', which is regular and weekly, consists of qualitative analysis of output from operational chains and in-line diagnostics. This activity is conducted by operators/forecasters. They certify the general realism of weekly production before its distribution to users. A second stage known as the 'long loop' focuses on a much longer time scale of the order of a few weeks to a few months. It is undertaken by oceanographers. It is done either by systematically analysing a system or by case studies and phenomenological studies. More information on 'long loop' validation. |
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