Academic literature on the topic 'Adriatic-Ionian System'

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Journal articles on the topic "Adriatic-Ionian System"

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Civitarese, G., M. Gačić, M. Lipizer, and G. L. E. Borzelli. "On the impact of the Bimodal Oscillating System (BiOS) on the biogeochemistry and biology of the Adriatic and Ionian Seas (Eastern Mediterranean)." Biogeosciences Discussions 7, no. 5 (September 14, 2010): 6971–95. http://dx.doi.org/10.5194/bgd-7-6971-2010.

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Abstract. Analysis of 20-year time-series of the vertically averaged salinity and nutrient data in the South Adriatic shows that the two parameters are subject to strong decadal variability. In addition, nutrient and salinity variations are out of phase. Nutrients in the Ionian and in the Adriatic vary in parallel except that often the nutrient content in the Adriatic is lower than in the Ionian, a fact that has been attributed to primary producer consumption following the winter convective mixing. Horizontal distribution of the nitracline depth in the Ionian suggests that nutrient content in the Adriatic is a function of the circulation pattern in the Ionian that wells up or wells down the nitracline: cyclonic circulation causes a downwelling of the nitracline along the borders of the Northern Ionian Gyre (NIG) and a decrease in the nutrient content of the water flowing into the Adriatic across the Otranto Strait, and vice versa. The circulation variations are due to the Bimodal Oscillating System, i.e. the feedback mechanism between the Adriatic and Ionian. Inversion of the sense of the NIG results in the advection of Modified Atlantic Water or of the Levantine/Eastern Mediterranean (EMed) waters in the Adriatic. Here, we show that the presence of allochtonous organisms from Atlantic/Western Mediterranean (WMed) and EMed/temperate zone in the Adriatic are concomitant with the anticyclonic and cyclonic circulations, respectively, of the NIG. As a consequence of the NIG inversions, in the Ionian, this highly oligotrophic zone shows annual blooms in its central area only during cyclonic circulation. On the basis of the results presented, a revision of the theory of Adriatic ingressions formulated in the early 1950s is proposed.
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Civitarese, G., M. Gačić, M. Lipizer, and G. L. Eusebi Borzelli. "On the impact of the Bimodal Oscillating System (BiOS) on the biogeochemistry and biology of the Adriatic and Ionian Seas (Eastern Mediterranean)." Biogeosciences 7, no. 12 (December 15, 2010): 3987–97. http://dx.doi.org/10.5194/bg-7-3987-2010.

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Abstract. Analysis of 20-year time-series of the vertically averaged salinity and nutrient data in the Southern Adriatic shows that the two parameters are subject to strong decadal variability. In addition, it is documented that nutrient and salinity variations are out of phase. Nutrients in the Ionian and in the Adriatic vary in parallel except that generally the nutrient content in the Adriatic is lower than in the Ionian, a fact that has been attributed to primary producer consumption following the winter convective mixing. As shown earlier, North Ionian Gyre (NIG) changes its circulation sense on a decadal scale due to the Bimodal Oscillating System, i.e. the feedback mechanism between the Adriatic and Ionian. Cyclonic circulation causes a downwelling of the nitracline along the borders of the NIG and a decrease in the nutrient content of the water flowing into the Adriatic across the Otranto Strait, and vice versa. In addition, the highly oligotrophic central area of the Ionian shows annual blooms only during cyclonic NIG circulation. Inversion of the sense of the NIG results in the advection of Modified Atlantic Water or of the Levantine/Eastern Mediterranean waters in the Adriatic. Here, we show that the presence of allochtonous organisms from Atlantic/Western Mediterranean and Eastern Mediterranean/temperate zone in the Adriatic are concurrent with the anticyclonic and cyclonic circulations of the NIG, respectively. On the basis of the results presented, a revision of the theory of Adriatic ingressions formulated in the early 1950s is proposed.
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Gačić, M., G. Civitarese, V. Kovačević, L. Ursella, M. Bensi, M. Menna, V. Cardin, et al. "Extreme winter 2012 in the Adriatic: an example of climatic effect on the BiOS rhythm." Ocean Science 10, no. 3 (June 23, 2014): 513–22. http://dx.doi.org/10.5194/os-10-513-2014.

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Abstract. Adriatic and Ionian seas are Mediterranean sub-basins linked through the Bimodal Oscillating System mechanism responsible for decadal reversals of the Ionian basin-wide circulation. Altimetric maps showed that the last cyclonic mode started in 2011 but unexpectedly in 2012 reversed to anticyclonic. We related this "premature" inversion to the extremely strong winter in 2012, which caused the formation of very dense Adriatic waters, flooding Ionian flanks in May and inverting the bottom pressure gradient. Using Lagrangian float measurements, the linear regression between the sea surface height and three isopycnal depths suggests that the southward deep-layer flow coincided with the surface northward geostrophic current and the anticyclonic circulation regime. Density variations at depth in the northwestern Ionian revealed the arrival of Adriatic dense waters in May and maximum density in September. Comparison between the sea level height in the northwestern Ionian and in the basin centre showed that in coincidence with the arrival of the newly formed Adriatic dense waters the sea level was lowered in the northwestern flank, inverting the surface pressure gradient. Toward the end of 2012, the density gradient between the basin flanks and its centre went to zero, coinciding with the weakening of the anticyclonic circulation and eventually with its return to the cyclonic pattern. Thus, the premature and transient reversal of Ionian surface circulation originated from the extremely harsh winter in the Adriatic, resulting in the formation and spreading of highly dense bottom waters. The present study highlights the remarkable sensitiveness of the Adriatic–Ionian BiOS to climatic forcing.
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Gačić, M., G. Civitarese, V. Kovačević, L. Ursella, M. Bensi, M. Menna, V. Cardin, et al. "Extreme winter 2012 in the Adriatic: an example of climatic effect on the BiOS rhythm." Ocean Science Discussions 11, no. 1 (February 3, 2014): 425–52. http://dx.doi.org/10.5194/osd-11-425-2014.

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Abstract. Adriatic and Ionian Seas are Mediterranean sub-basins linked through the Bimodal Oscillating System mechanism responsible for decadal reversals of the Ionian basin-wide circulation. Altimetric maps showed that the last cyclonic mode started in 2011 but unexpectedly in 2012 reversed to anticyclone. We related this "premature" inversion to extremely strong winter in 2012, which caused the formation of very dense Adriatic waters, flooding Ionian flanks in May and inverting the bottom pressure gradient. Using Lagrangian float measurements, the linear regression between the sea surface height and three isopycnal depths suggests that the southward deep-layer flow coincided with the surface northward geostrophic current and the anti-cyclonic circulation regime. Density variations at depth in the north-western Ionian revealed the arrival of Adriatic dense waters in May and maximum density in September. Comparison between the sea level height in the north-western Ionian and in the basin centre showed that in coincidence with the arrival of the newly formed Adriatic dense waters the sea level lowered in the north-western flank inverting the surface pressure gradient. Toward the end of 2012, the density gradient between the basin flanks and its centre went to zero, coinciding with the weakening of the anticyclonic circulation and eventually with its return to the cyclonic pattern. Thus, the premature and transient reversal of Ionian surface circulation originated from the extremely harsh winter in the Adriatic, resulting in the formation and spreading of highly dense bottom waters. The present study highlights the remarkable sensitiveness of the Adriatic–Ionian BiOS to climatic forcing.
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Shabrang, L., M. Menna, C. Pizzi, H. Lavigne, G. Civitarese, and M. Gačić. "Long-term variability of the southern Adriatic circulation in relation to North Atlantic Oscillation." Ocean Science 12, no. 1 (February 12, 2016): 233–41. http://dx.doi.org/10.5194/os-12-233-2016.

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Abstract. The interannual variability of the South Adriatic Gyre and its relation to the wind vorticity and the large-scale climatic pattern (North Atlantic Oscillation – NAO) was studied using the time series of satellite altimetric data and ocean surface wind products. The cyclonic circulation observed in the southern Adriatic area was partly sustained by the local wind forcing, as suggested by the positive correlation between the rate of change of the current vorticity and the wind-stress vorticity. Nevertheless, the influence of vorticity advection from the adjacent area (northern Ionian Sea) cannot be ignored and it is more significant during the anticyclonic phase of Adriatic–Ionian Bimodal Oscillation System. The geostrophic current vorticities of the southern Adriatic and northern Ionian seas are correlated with a time lag of 14 months, which approximately corresponds to an advection speed of ∼ 1 cm s−1. The different wind patterns observed during two NAO phases in the winter revealed a stronger positive vorticity during the negative NAO phase. Conversely, during the wintertime positive NAO phase the wind vorticity is characterized by lower positive or slightly negative values. Despite a statistically significant negative correlation between the NAO index and the wind vorticity, no unequivocal relationship between large climatic system and the interannual variability of the South Adriatic Gyre intensity was found due to additional effects of the vorticity advection from the Ionian. This can be explained by the fact that the Ionian circulation mode does not depend on the NAO variations. Therefore, the main result of this study is that the interannual variability of the southern Adriatic cyclonic circulation is a result of the combined influence of the vorticity advection from the Ionian and the local wind-curl effect.
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Pranić, Petra, Cléa Denamiel, and Ivica Vilibić. "Performance of the Adriatic Sea and Coast (AdriSC) climate component – a COAWST V3.3-based one-way coupled atmosphere–ocean modelling suite: ocean results." Geoscientific Model Development 14, no. 10 (September 30, 2021): 5927–55. http://dx.doi.org/10.5194/gmd-14-5927-2021.

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Abstract. In this study, the Adriatic Sea and Coast (AdriSC) kilometre-scale atmosphere–ocean climate model covering the Adriatic Sea and northern Ionian Sea is presented. The AdriSC ocean results of a 31-year-long (i.e. 1987–2017) climate simulation, derived with the Regional Ocean Modeling System (ROMS) 3 km and 1 km models, are evaluated with respect to a comprehensive collection of remote sensing and in situ observational data. In general, it is found that the AdriSC model is capable of reproducing the observed sea surface properties, daily temperatures and salinities, and the hourly ocean currents with good accuracy. In particular, the AdriSC ROMS 3 km model demonstrates skill in reproducing the main variabilities of the sea surface height and the sea surface temperature, despite a persistent negative bias within the Adriatic Sea. Furthermore, the AdriSC ROMS 1 km model is found to be more capable of reproducing the observed thermohaline and dynamical properties than the AdriSC ROMS 3 km model. For the temperature and salinity, better results are obtained in the deeper parts than in the shallow shelf and coastal parts, particularly for the surface layer of the Adriatic Sea. The AdriSC ROMS 1 km model is also found to perform well in reproducing the seasonal thermohaline properties of the water masses over the entire Adriatic–Ionian domain. The evaluation of the modelled ocean currents revealed better results at locations along the eastern coast and especially the northeastern shelf than in the middle eastern coastal area and the deepest part of the Adriatic Sea. Finally, the AdriSC climate component is found to be a more suitable modelling framework to study the dense water formation and long-term thermohaline circulation of the Adriatic–Ionian basin than the available Mediterranean regional climate models.
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Reale, M., A. Crise, R. Farneti, and R. Mosetti. "A process study of the Adriatic-Ionian System baroclinic dynamics." Journal of Geophysical Research: Oceans 121, no. 8 (August 2016): 5872–87. http://dx.doi.org/10.1002/2016jc011763.

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Shabrang, L., M. Menna, C. Pizzi, H. Lavigne, G. Civitarese, and M. Gačić. "Long-term variability of the South Adriatic circulation and phytoplankton biomass in relation to large-scale climatic pattern." Ocean Science Discussions 12, no. 1 (February 10, 2015): 203–26. http://dx.doi.org/10.5194/osd-12-203-2015.

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Abstract. The interannual variability of the South Adriatic Gyre and its relation to the wind vorticity and the large-scale climatic pattern (North Atlantic Oscillation – NAO), was studied using the time-series of satellite altimetry data and ocean surface wind products. The cyclonic circulation observed in the South Adriatic area was mainly sustained by the local wind forcing, as suggested by the positive correlation between the rate of change of the current vorticity and the wind-stress vorticity. Nevertheless, the influence of vorticity advection from the adjacent area (North Ionian Sea) cannot be ignored and it is more significant during the anticyclonic phase of Adriatic–Ionian Bimodal Oscillation System. The geostrophic current vorticities of the South Adriatic and North Ionian Seas are correlated with a time lag of 15 months, which corresponds to an advection speed of ~1 cm s−1. The different wind patterns observed during the two NAO phases revealed a stronger positive vorticity during the negative NAO phase. Conversely, during the positive NAO phase the wind vorticity is characterized by lower positive values. Subsequently, the calculated positive linear correlation between the NAO index and the frequency of the cold and dry northerly wind suggests the strengthening of the winter convection, and of the consecutive deep water formation, during the positive NAO phases. As a consequence of the winter deep convection, Southern Adriatic area is characterized by the late winter/early spring algal blooms. Relationship between the spatially averaged surface chlorophyll concentrations and the northerly wind frequencies revealed that the two biological productivity regimes likely exist: the subtropical one and the subpolar one depending on the frequency of windy days. We also showed that the bloom timing is a linear function of the wind frequency and can vary within the range of almost two months. This study thus contributes to our understanding of the possible impact of climate change on the SAG circulation and its ecosystem.
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Giannopoulos, George A. "Implementation of a Data Communication System for the Adriatic-Ionian Sea Area." Transition Studies Review 12, no. 3 (December 2005): 565–74. http://dx.doi.org/10.1007/s11300-005-0041-4.

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Gallo, Alessandro, Salvatore Fregola, Margherita Menon, Filomena Talarico, Stella Fragkiadaki, Dionysia Kontaxopolou, Katarina Vukojevic, et al. "Using Smart Devices for Monitoring Elderly Patients in Rural Areas of Calabria after COVID-19 Vaccination: Experiences within the SI4CARE Project." COVID 3, no. 2 (January 17, 2023): 124–30. http://dx.doi.org/10.3390/covid3020007.

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The SI4CARE project is a transnational project which aims to develop both strategy and action plans to improve health and social care in the Adriatic–Ionian region. Starting from a survey of the status quo, each partner has developed some pilots to support the development and monitoring of the policy actions. In particular, partner number three, the Municipality of Miglierina, designed and developed a pilot related to the use of wearable devices for monitoring elderly patients in rural areas. With the collaboration of the complex unity of primary care (UCCP) of the Reventino area, the pilot is based on the use of smart wearable devices to monitor some parameters of older adults after their vaccinations for flu and covid. This paper focused on the design and implementation of the system. It describes its application in the Municipality of Miglierina. Presentation of the results and a discussion of the strengths and weaknesses will be presented, in detail, in future work. Finally, the possibility of extending the experiment to other Adriatic–Ionian regions is addressed.
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Dissertations / Theses on the topic "Adriatic-Ionian System"

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Reale, Marco. "A process study of the Adriatic-Ionian System baroclinic dynamics." Doctoral thesis, Università degli studi di Trieste, 2015. http://hdl.handle.net/10077/11106.

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2013/2014
Il sistema Adriatico Ionio è un importante componente nella circolazione termoalina del bacino orientale mediterraneo. Il mar Adriatico è la più importante sorgente di acqua profonde per il bacino. Il mar Ionio è una sorta di punto di incrocio per acque con caratteristiche diverse : le acque atlantiche in superficie , quelle levantine negli strati intermedi , le acque profonde adriatiche in quelli sul fondo . La variabilità osservata nella circolazione Ionica , con reversal periodici da stato ciclonico a stato anticiclonico e e viceversa, negli ultimi 20 anni è stata oggetto di dibattito in quanto è stata attribuita rispettivamente all'influenza della variazione delle proprietà termoaline delle acque profonde prodotte nel sud Adriatico sul bilancio di vorticità dello Ionio o a variazioni nel rotore del wind stress sul bacino ionico.Questo lavoro di tesi si prefigge di esaminare tutte le ipotesi relative alla dinamica del sistema adriatico-ionio da un punto di vista modellistico e la sua risposta in termini di bilancio di vorticità e di energia all'azione di forzanti esterne come il wind stress e i flussi termoalini. I risultati finali di questo approccio modellistico hanno mostrato la maggiore importanza del bacino est (mar cretese e passaggio di creta) rispetto all'Adriatico nel determinare la variabilità , a livello di bilancio di vorticità e di energia , della circolazione ionica .
The Adriatic-Ionian system represents an important component in the Mediterranean thermohaline circulation.The Adriatic Sea is the main source of deep waters for the Eastern Basin.The Ionian Sea is a sort of cross-road points for different kind of waters: Atlantic water moving on its surface layers , Levantine waters moving in its intermediate layers, Adriatic deep waters moving on its bottom layers.The variability observed in the Ionian upper layers circulation , which revers periodically from cyclonic to anticyclonic pattern and viceversa, in the last 20 years has been object of debate as it has been attributed to the effects of variation of thermohaline properties of deep waters produced in the Adriatic Sea on the vorticity balance of the Ionian or to variation in the wind stress curl over the Ionian basin.This thesis work aims to challenge all the hypotheses related the Adriatic-Ionian System dynamics using a modeling approach and its behavior in terms of vorticity and energy balance to some forcing as wind stress and thermohaline fluxes.The final results of this analysis have shown the predominant role , with respect to the Adriatic Sea , of Eastern basin in determining the vorticity and energy balance of the Ionian and shaping the variability of its circulation.
XXVII Ciclo
1982
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Book chapters on the topic "Adriatic-Ionian System"

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Sarkinovic, Predrag, and Naser Morina. "Adriatic-Ionian Road: Economic and Social Potential of the Adriatic-Ionian Region." In Lecture Notes in Networks and Systems, 479–83. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-71321-2_43.

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Čokorilo, O. "Air transport hinterland in Adriatic and Ionian region: Equity and connectivity matters." In Transport Infrastructure and Systems, 1115–22. CRC Press, 2017. http://dx.doi.org/10.1201/9781315281896-144.

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Conference papers on the topic "Adriatic-Ionian System"

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Polverino, Salvatore. "The Upper Adriatic Trans-European Transport Network along the Trieste-Koper Axis." In 4th International Conference of Contemporary Affairs in Architecture and Urbanism – Full book proceedings of ICCAUA2020, 20-21 May 2021. Alanya Hamdullah Emin Paşa University, 2021. http://dx.doi.org/10.38027/iccaua2021229n10.

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This paper-Review aims to clarify the infrastructural development of the Adriatic-Ionian macro-region and its difficult cross-border vision towards the Trans European Transport Network (TEN-T). Two Port Authorities competitors, Trieste and Koper have aimed to build a secondary track system to fulfill the EU sustainability and to adhere to the silk-road model. Trieste takes advantage of Annex VI, part of the Treaty of Paris, that has guaranteed a Free Port legal regime in combination with the recent Special Economic Zone (ZES), by which a further tax relief has played a strong Key-enabler role. With the analysis of Geographic Information System, Open License Database and evaluation methods have been compared and visualized to highlight the mismatch of their Cross-border cooperation. The expressed results lead to feasibility-costs' overviews and EU finance strategies in which is highlighted the competition between the two Port Authorities, and their final horizontal (re)integration of borders. Keywords: Sustainable development; Port city; GIS; TEN-T; NATO; Balkans; Silk-road; Covid19.
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Bompotas, Agorakis, Christos Anagnostopoulos, Athanasios Kalogeras, Georgios Kalogeras, Georgios Mylonas, Kyriakos Stefanidis, Christos Alexakos, and Miranda Dandoulaki. "A Civil Protection Early Warning System to Improve the Resilience of Adriatic-Ionian Territories to Natural and Man-made Risk." In 2022 IEEE 27th International Conference on Emerging Technologies and Factory Automation (ETFA). IEEE, 2022. http://dx.doi.org/10.1109/etfa52439.2022.9921697.

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