Toward homogenization of Mediterranean lagoons and their loss of hydrodiversity

Ferrarin, Christian; Bajo, Marco; Bellafiore, Debora; Cucco, Andrea; Pascalis, Francesca De; Ghezzo, Michol; Umgiesser, Georg

doi:10.1002/2014gl060843

Cited by 62 publications

(41 citation statements)

References 33 publications

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“…An overall trend in increasing precipitation (especially in winter) for Northern Europe, as well as decreasing precipitation (especially in summer) in the South is mentioned in several publications [4,6,7], and it was also detected in this study. Due to the fact that water limited ecosystems are highly vulnerable to changing climate conditions [56], the robust climate change signals produced by a range of global and regional models suggest that the Mediterranean region and the lagoons located there might be especially vulnerable to climate change [57,58].…”

Section: Discussionmentioning

confidence: 99%

“…A variety of lagoons, even in a similar geographical region like the Mediterranean, have a high hydrodynamic and/or saline variability, depending on their morphology and the location and number of river inflows and sea-water inlets influencing the water renewal time [67,68]. Therefore lagoons react differently to climate change with a trend to homogenize hydrodynamic and saline characteristics and to lose hydrodiversity, mainly due to increased inflow of sea water following the sea level rise [17,58]. As northern European lagoons are generally more influenced by river discharge due to the wet climate and the significantly higher runoff coefficients compared to the southern Mediterranean coastal areas [67], climate changes in the lagoon catchments and the resulting changes in river discharge will probably have greater effects on such lagoons fed by permanently flowing rivers than on lagoons located in dry climate.…”

Section: Discussionmentioning

confidence: 99%

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Comparison of Water Flows in Four European Lagoon Catchments under a Set of Future Climate Scenarios

Hesse

Stefanova

Krysanova

2015

Water

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Climate change is supposed to remarkably affect the water resources of coastal lagoons as they are highly vulnerable to changes occurring at their catchment and/or ocean or sea boundaries. Probable impacts of projected climate changes on catchment hydrology and freshwater input were assessed using the eco-hydrological model SWIM (Soil and Water Integrated Model) for the drainage areas of four European lagoons: Ria de Aveiro (Portugal), Mar Menor (Spain), Tyligulskyi Liman (Ukraine) and Vistula Lagoon (Poland/Russia) under a set of 15 climate scenarios covering the time period until the year 2100. Climate change signals for all regions show continuously increasing trends in temperature, but various trends in precipitation. Precipitation is projected to decrease in two catchments on the Iberian Peninsula and increase in the Baltic region catchment, and does not show a clear trend in the catchment located near the Black Sea. The average projected changes in freshwater inputs reflect these changes in climate conditions, but often show variability between the scenarios, in future periods, and within the catchments. According to the individual degrees of water management influences in the four drainage basins, the climate sensitivity of river inflows is differently pronounced in each.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Comparison of Water Flows in Four European Lagoon Catchments under a Set of Future Climate Scenarios

Hesse

Stefanova

Krysanova

2015

Water

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“…The SHYFEM-3D model was already successfully applied to different coastal ecosystems (Ferrarin and Umgiesser 2005;Cucco and Umgiesser 2006;Cucco et al 2009;Erturk et al 2007; Fig. 1 Site study: a toponomastic, b numerical grid domain, c interpolated bathymetry, d position of the fresh water inputs, e temperature and salinity data stations Ferrarin et al 2008;Bellafiore and Umgiesser 2008;Ferrarin et al 2010;Ghezzo et al 2010;Bellafiore et al 2011) and in particular to the Taranto Seas in its twodimensional version (Scroccaro et al 2004a;Umgiesser et al 2007) and 3D version Ferrarin et al 2014).…”

Section: Shyfem-3d Hydrodynamic Model Setupmentioning

confidence: 99%

“…De Serio et al (2007) already started to investigate the importance of baroclinic terms for the Taranto Seas in three-dimensional (3D) space, simulating a short-time period and using simplified forcings. In Umgiesser et al (2014) and Ferrarin et al (2014), a 3D, annual and baroclinic model simulation of the Taranto basin was performed, but focusing on mixing capacity and comparison with other Mediterranean lagoons.…”

Section: Introductionmentioning

confidence: 99%

Estuarine circulation in the Taranto Seas

Pascalis

Petrizzo

Ghezzo

et al. 2015

Environ Sci Pollut Res

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The Taranto basin is a shallow water marine system in the South of Italy characterized by the presence of a lagoon environment together with a semi-enclosed bay connected to the Ionian Sea. This marine system experienced over the last few decades strong biochemical pollution and environmental degradation, and it is considered a hotspot study site for economic, ecological and scientific reasons. The aim of this study was to examine, on an annual temporal scale and with high spatial resolution, the main hydrodynamical processes and transport scales of the system by means of a 3D finite element numerical model application, adopting the most realistic forcing available. The model allowed us to assess the role played by baroclinic terms in the basin circulation, describing its estuarine nature. In particular, the main features of water circulation, salinity and temperature distribution, water renewal time and bottom stress were investigated. Our results allowed us to equate this system dynamic to that of a weakly stratified estuary, identifying the main driving sources of this mechanism. The vertical stratification over the whole year was proved to be stable, leading to a dual circulation flowing out on the surface, mainly through Porta Napoli channel, and inflowing on the bottom mainly through Navigabile channel. This process was responsible also for the renewal time faster on the bottom of the Mar Piccolo basin than the surface. Due to the great importance of the Taranto basin for what concerns sediment pollution, also the effect of currents in terms of bottom stress was investigated, leading to the conclusion that only in the inlets area the values of bottom stress can be high enough to cause erosion.

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“…The model has been applied with success in several applications and case studies in the Mediterranean Sea basin aimed to investigate and predict both open ocean and coastal hydrodynamics and to evaluate their mutual interactions (Bellafiore et al, 2008(Bellafiore et al, , 2011Cucco et al, 2009;Melaku et al, 2012;Ferrarin et al, 2013aFerrarin et al, , 2014Simeone et al, 2014;Umgiesser et al, 2014;Cucco and Umgiesser, 2015;Quattrocchi et al, 2016;Cucco et al, 2016).…”

Section: The Hydrodynamic Modelmentioning

confidence: 99%

Hydrodynamic modelling of coastal seas: the role of tidal dynamics in the Messina Strait, Western Mediterranean Sea

Cucco

Quattrocchi

Olita

et al. 2016

Nat. Hazards Earth Syst. Sci.

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Abstract. This work explores the importance of considering tidal dynamics when modelling the general circulation in the Messina Strait, a narrow passage connecting the Tyrrhenian and the Ionian subbasins in the Western Mediterranean Sea. The tides and the induced water circulation in this Strait are among the most intense oceanographic processes in the Mediterranean Sea. The quantification of these effects can be particularly relevant for operational oceanographic systems aimed to provide short-term predictions of the main hydrodynamics in the Western Mediterranean subbasins. A numerical approach based on the use of a high-resolution hydrodynamic model was followed to reproduce the tides propagation and the wind-induced and thermohaline water circulation within the Strait and in surrounding areas. A set of numerical simulations was carried out to quantify the role of the Strait dynamics on the larger-scale water circulation. The obtained results confirmed the importance of a correct representation of the hydrodynamics in the Messina Strait even when focusing on predicting the water circulation in the external sea traits. In fact, model results show that tidal dynamics deeply impact the reproduction of the instantaneous and residual circulation pattern, waters thermohaline properties and transport dynamics both inside the Messina Strait and in the surrounding coastal and open waters.

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Toward homogenization of Mediterranean lagoons and their loss of hydrodiversity

Cited by 62 publications

References 33 publications

Comparison of Water Flows in Four European Lagoon Catchments under a Set of Future Climate Scenarios

Comparison of Water Flows in Four European Lagoon Catchments under a Set of Future Climate Scenarios

Estuarine circulation in the Taranto Seas

Hydrodynamic modelling of coastal seas: the role of tidal dynamics in the Messina Strait, Western Mediterranean Sea

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