caa a22 4500 467903336 CHVBK 20180406152825.0 cr unu---uuuuu 170328e20060801xx s 000 0 eng 10.1007/s10661-005-9026-3 doi (NATIONALLICENCE)springer-10.1007/s10661-005-9026-3 Quantification of Water, Salt and Nutrient Exchange Processes at the Mouth of A mediterranean Coastal Lagoon [Elektronische Daten] [Georgios Sylaios, Vassilios Tsihrintzis, Christos Akratos, Kiriaki Haralambidou] Vassova lagoon is a typical Mediterranean (small, shallow, micro-tidal, well-mixed) coastal lagoon, receiving limited seasonal freshwater inflows from direct precipitation and underground seepage. An intensive study was carried out in order to quantify the mechanisms responsible for the intra-tidal and residual transport of water, salt, nutrients and chlorophyll at the mouth of this lagoon and to assess the lagoon's flushing behavior. Results indicated that although the system is micro-tidal, tidal effects appeared to be the dominant factor for the longitudinal distribution of physical and chemical parameters, while the associated residual flow is also important and serves as a baseline measure of overall circulation. However, analysis of the net longitudinal currents and fluxes of water, salt and nutrients revealed the importance of non-tidal effects (wind effect and precipitation incidents) in the mean tidal transport. It is shown that the Eulerian residual currents transported water and its properties inwards under southern winds, while a seaward transport was induced during precipitation incidents and northern winds. The Stokes drift effect was found an order of magnitude lower than the Eulerian current, directed towards the lagoon, proving the partially-progressive nature of the tide. Nutrients and chlorophyll-α loads are exported from the lagoon to the open sea during the ebb phase of the autumn and winter tidal cycles, associated with the inflow of nutrient-rich freshwater, seeped through the surrounding drainage canal. The reverse transport occurs in spring and early summer, when nutrients enter the lagoon during the flood tidal phase, from the nutrient-rich upper layer of the stratified adjacent sea. Application of a tidal prism model shows that Vassova lagoon has a mean flushing time of 7.5 days, ranging between 4 to 18 days, affected inversely by the tidal oscillation. Springer Science + Business Media, Inc., 2006 residual currents nationallicence Stokes drift nationallicence water balance nationallicence salt balance nationallicence nutrients nationallicence flushing time nationallicence Vassova Lagoon nationallicence Sylaios Georgios NAGREF, Fisheries Research Institute, 64007 Nea Peramos, Kavala, Greece aut Tsihrintzis Vassilios Laboratory of Ecological Engineering & Technology, Department of Environmental Engineering, Democritus University of Thrace, 67100, Xanthi, Greece aut Akratos Christos Laboratory of Ecological Engineering & Technology, Department of Environmental Engineering, Democritus University of Thrace, 67100, Xanthi, Greece aut Haralambidou Kiriaki Laboratory of Ecological Engineering & Technology, Department of Environmental Engineering, Democritus University of Thrace, 67100, Xanthi, Greece aut Environmental Monitoring and Assessment Kluwer Academic Publishers 119/1-3(2006-08-01), 275-301 0167-6369 119:1-3<275 2006 119 10661 https://doi.org/10.1007/s10661-005-9026-3 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10661-005-9026-3 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Sylaios Georgios NAGREF, Fisheries Research Institute, 64007 Nea Peramos, Kavala, Greece aut NATIONALLICENCE 700 1- Tsihrintzis Vassilios Laboratory of Ecological Engineering & Technology, Department of Environmental Engineering, Democritus University of Thrace, 67100, Xanthi, Greece aut NATIONALLICENCE 700 1- Akratos Christos Laboratory of Ecological Engineering & Technology, Department of Environmental Engineering, Democritus University of Thrace, 67100, Xanthi, Greece aut NATIONALLICENCE 700 1- Haralambidou Kiriaki Laboratory of Ecological Engineering & Technology, Department of Environmental Engineering, Democritus University of Thrace, 67100, Xanthi, Greece aut NATIONALLICENCE 773 0- Environmental Monitoring and Assessment Kluwer Academic Publishers 119/1-3(2006-08-01), 275-301 0167-6369 119:1-3<275 2006 119 10661 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer