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http://repositorio.lnec.pt:8080/jspui/handle/123456789/1004738| Title: | Generating inundationmapsforacoastallagoon:AcasestudyintheRiade Aveiro (Portugal) |
| Authors: | Fortunato, A. B. Rodrigues, M. Dias, J. M. Lopes, C. L. Oliveira, A. |
| Keywords: | Inundation;Numerical modeling;Statistical methods;Unstructured grids;Selfe |
| Issue Date: | Feb-2013 |
| Publisher: | Elsevier |
| Abstract: | Coastalfloodingduetostormsurgescombinedwithhightidescausesagrowingconcern,andrecent legislationrequiresthatEuropeanUnioncountriesdevelopinundationmapsfortheareasatrisk.This paper describesthemethodologytogenerateinundationmapsanditsapplicationtotheRiadeAveiro, a coastallagoonexposedtoAtlanticstormsurgesthatcanexceed1m.Themapsarebasedonthe applicationoftheshallowwatermodelSELFE,fordifferentreturnperiodsandscenariosofsealevel rise. Anewapproachtodefinethemodelboundaryconditionsfordifferentreturnperiodsisdeveloped based onthestatisticalanalysisoftimeseriesfromtidalgauges.Thisapproachconsiderstheeffectof storm surgesaswellastidesandtheir18.6yearcycle.Theextremelevelsobtainedwiththismethod convergeforthe20yearsofavailabledataandaremoreaccuratethantheonesobtainedwith traditionalapproachesforthislimiteddataset.Inaddition,thenewmethodprovidesnotonlythe extremelevels,butalsothetimeseriesthatincludethem,whichareneededtoforcethehydrodynamic model. TheresultsshowthatthestormsurgesaffectstheentirelengthoftheRiadeAveiro |
| URI: | https://repositorio.lnec.pt/jspui/handle/123456789/1004738 |
| Appears in Collections: | DHA/NEC - Comunicações a congressos e artigos de revista |
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