Abstract
The rate of oxygen consumption has been estimated for 29 different sill basins of fjords, all located in a relatively small area of the Norwegian west coast. It is found that CONS, the volume mean rate of oxygen consumption in a sill basin (i.e. below the sill level), is inversely proportional to the mean depth, H b , of the sill basin. In addition it is demonstrated that CONS decreases with increasing sill depth, H t , in an approximately linear fashion. Our results are compatible with a regionally horizontally homogeneous and downward decreasing vertical flux of organic carbon. Based on data from the present set of sill basins, an empirical formula has been derived for CONS as a function of H t and H b . This may be looked upon as a regionally valid empirical fjord model which may be used to determine whether or not the oxygen consumption in a sill basin is ‘normal’.
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