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Utilizing successive linearization optimization to control the saltwater intrusion phenomenon in unconfined coastal aquifers in Crete, Greece

Dokou Zoi, Dettoraki Maria, Karatzas Giorgos, Varouchakis Emmanouil, Pappa Athina

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URIhttp://purl.tuc.gr/dl/dias/34746F0A-3CEC-4688-BEA4-7B82D7867359-
Identifierhttps://link.springer.com/article/10.1007%2Fs10666-016-9529-z-
Identifierhttps://doi.org/10.1007/s10666-016-9529-z-
Languageen-
Extent14 pagesen
TitleUtilizing successive linearization optimization to control the saltwater intrusion phenomenon in unconfined coastal aquifers in Crete, Greeceen
CreatorDokou Zoien
CreatorΔοκου Ζωηel
CreatorDettoraki Mariaen
CreatorΔεττορακη Μαριαel
CreatorKaratzas Giorgosen
CreatorΚαρατζας Γιωργοςel
CreatorVarouchakis Emmanouilen
CreatorΒαρουχακης Εμμανουηλel
CreatorPappa Athinaen
CreatorΠαππα Αθηναel
PublisherSpringer Verlagen
Content SummaryIn the present work, a simulation-optimization method is employed in order to manage saltwater intrusion in two unconfined coastal aquifers in Crete, Greece. The optimization formulation seeks to maximize groundwater withdrawal rates while maintaining the saltwater intrusion front at the current location or inhibiting it at locations closer to the coast. A combination of a groundwater flow model (MODFLOW) with the Ghyben-Herzberg saltwater front approximation and a sequential implementation of the Simplex algorithm (GWM) are employed. The results show that under the current pumping strategies, the saltwater intrusion front will continue to move inland, posing a serious threat to the groundwater quality of these regions. Optimal groundwater withdrawal scenarios that take into consideration the water needs of the local communities and environmental concerns are presented and discussed. In both case studies, significant reductions in pumping are required in order for the saltwater intrusion front to retract closer to the shoreline.en
Type of ItemPeer-Reviewed Journal Publicationen
Type of ItemΔημοσίευση σε Περιοδικό με Κριτέςel
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2018-05-18-
Date of Publication2017-
SubjectCoastal aquiferen
SubjectGreeceen
SubjectGroundwater managementen
SubjectOptimizationen
SubjectSaltwater intrusionen
Bibliographic CitationZ. Dokou, M. Dettoraki, G. P. Karatzas, E. A. Varouchakis and A. Pappa, "Utilizing successive linearization optimization to control the saltwater intrusion phenomenon in unconfined coastal aquifers in Crete, Greece," Environ. Model. Assess., vol. 22, no. 2, pp. 115-128, April 2017. doi: 10.1007/s10666-016-9529-zen

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