BIOGEOCHEMICAL BOX MODELING AT SMALL-SCALE - APPLICATION TO THE INORGANIC CARBON-CYCLE IN THE BAY-OF-CALVI

This paper describes a processes OD biogeochemical model valid at smal l scale (1 km, 1 hour). It is used to study the inorganic carbon cycle in the Bay of Calvi (Corsica), a near-shore coastal area characterise d by properties that simplify the modelling approach: no river input, no tide, a constant circulation pattern and two quite well-studied eco systems (the Spring phytoplankton bloom and a Posidonia seagrass bed). The model has been developed from available field data and then calib rated using an independent data set. Results show that the obtained st eady-state is close to the one observed in the Bay of Calvi, and calcu lated fluxes are in good agreement with the measured ones. Numerical i ntegrations have been carried out using two market softwares (SENECA 1 .5 and STELLA II) and no significant differences are found.