engleski

The dynamics of a saltwater marine lake (Big Lake, Island of Mljet, Adriatic Sea) as revealed by temperature measurements

The paper attempts to describe hydrographic and dynamic conditions in the Mljet Lakes, through the analysis of high-frequency temperature measurements carried out at intermediate layer of Big Lake (BL) and Soline Channel during two years (December 2005-October 2007). It appears that the lakes may be colder then the open sea during wintertime as much as 2-3oC, and warmer on surface during summer as much as 4oC. Several interesting processes were captured within the series, of which we investigated the wintertime cooling occurred in 2006, diurnal and semidiurnal temperature changes driven by the tides within the connecting channel, and occurrence of the turbulence in BL close to the connecting channel. The latter seems to have large implications to the thermocline/pycnocline deepening during the summertime, as incoming open ocean waters are much denser then the BL waters.

saltwater lakes ; water masses ; temperature ; Adriatic Sea

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