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Pregled bibliografske jedinice broj: 864747

Časopis

Autori: Krvavica, Nino; Travaš, Vanja; Ožanić, Nevenka
Naslov: Salt-Wedge Response to Variable River Flow and Sea-Level Rise in the Microtidal Rječina River Estuary, Croatia
( Salt-Wedge Response to Variable River Flow and Sea-Level Rise in the Microtidal Rječina River Estuary, Croatia )
Izvornik: Journal of coastal research (0749-0208) 33 (2017), 4; 802-814
Vrsta rada: članak
Ključne riječi: stratification, two-layer, numerical model, shallow water equation, finite volume method
( stratification, two-layer, numerical model, shallow water equation, finite volume method )
Sažetak:
A finite-volume model for two-layer shallow water flow is presented and applied to study the dynamic response of a salt-wedge in a microtidal estuary to changes in river flow rate and sea-level rise. First, the shape of the arrested salt-wedge was computed for different hydrographic conditions. Next, the response of the salt-wedge to highly variable river flow was investigated. Finally, this model was applied to predict the impacts of the sea-level rise on salinity intrusions in the Rječina River estuary. To assess the model performance and examine the salinity structure in the estuary, a field sampling campaign was conducted during 2014 and 2015. Field observations revealed negligible longitudinal density variations in both freshwater and saltwater layers, and highly stratified conditions for all considered river flow rates and sea-levels. Furthermore, the maximum buoyancy frequency, computed as a measure of vertical stratification, was among the highest ever reported in field investigations. The behavior of the salt-wedge intrusion depends mainly on the river flow rate, although sea- level and channel geometry become more influential under low-flow conditions. Computed salt-wedge shapes and propagation rates agreed well with field observations. The salinity structure in the Rječina River estuary is not expected to change due to tested future sea- level rise scenarios, although stronger salt- wedge intrusion is predicted by the numerical model.
Projekt / tema: 114-0982709-2549
Izvorni jezik: eng
Rad je indeksiran u
bazama podataka:
Current Contents Connect (CCC)
Scopus
SCI-EXP, SSCI i/ili A&HCI
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Kategorija: Znanstveni
Znanstvena područja:
Građevinarstvo
Puni text rada: 864747.jcoastres-d-16-00053.1.pdf (tekst priložen 14. Srp. 2017. u 07:21 sati)
URL Internet adrese: http://www.jcronline.org/doi/abs/10.2112/JCOASTRES-D-16-00053.1?code=cerf-site
https://doi.org/10.2112/JCOASTRES-D-16-00053.1
http://www.jcronline.org/doi/abs/10.2112/JCOASTRES-D-16-00053.1
Broj citata:
Altmetric:
DOI: 10.2112/JCOASTRES-D-16-00053.1
URL cjelovitog teksta: http://www.jcronline.org/doi/abs/10.2112/JCOASTRES-D-16-00053.1?code=cerf-site
Časopis izlazi u samo elektroničkom izdanju: DA
Google Scholar: Salt-Wedge Response to Variable River Flow and Sea-Level Rise in the Microtidal Rječina River Estuary, Croatia
Upisao u CROSBI: Nino Krvavica (nino.krvavica@gradri.uniri.hr), 6. Ožu. 2017. u 22:00 sati



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