Portela, L.I., Ramos, S. and Trigo-Teixeira, A., 2013. Effect of salinity on the settling velocity fine sediments a harbour basin. In: Conley, D.C., Masselink, G., Russell, P.E. O'Hare, T.J. (eds.)Salinity is known to increase cohesion clay minerals, thus flocculation fine-grained in suspension. However, influence natural particles often unclear, due organic biological aggregation other controlling factors. This paper examines effect collected basin Tagus estuary. The sediment sample...

Araújo, M.A.V.C., Mazzolari, A. and Trigo-Teixeira, A., 2013. An object oriented mesh generator: application to flooding in the Douro estuary.This paper presents modification improvement of an existing 2D unstructured finite element generator, based on advancing front concept. The original version this generator (MESHGR) was developed Fortran language and, study, it is ported C improved terms robustness, efficiency speed. code uses classes describe each object. Besides generating mesh, also...

Araújo, M.A.V.C., Di Bona, S., Trigo-Teixeira, A., 2014. Impact of detached breakwaters on shoreline evolution: a case study the Portuguese west coast. In: Green, A.N. and Cooper, J.A.G. (eds.), Proceedings 13th International Coastal Symposium (Durban, South Africa), Journal Research, Special Issue No. 70, pp. 041–046, ISSN 0749-0208.The West Coast is facing severe erosion problems that threaten both population andthe immediate seaside properties. Some locations, such as Vagueira region, are...

Collin, A.; Calle, C.; James, D.; Costa, S.; Maquaire, O.; Davidson, R., and Trigo-Teixeira, A., 2020. Modelling 2D coastal flooding at fine-scale over vulnerable lowlands using satellite-derived topobathymetry, hydrodynamic overflow simulations. In: Malvárez, G. Navas, F. (eds.), Global Coastal Issues of Journal Research, Special Issue No. 95, pp. 1052-1056. Coconut Creek (Florida), ISSN 0749-0208.Flooding simulation across shallow waters has been successful for the diagnosis prognosis...

Mazzolari, A., Trigo-Teixeira, and Araújo, M.A.V.C., 2013. A multicriteria meshing method applied to a shallow water model. In: Conley, D.C., Masselink, G., Russell, P.E. O'Hare, T.J. (eds.)In this study multi-criteria for 2D model is tested domain encompassing several spatial hydrodynamic scales, from the Western Atlantic Ocean shelf in front of Iberian Peninsula Lima River (Portugal) its estuary. For mesh design, series scalar criteria are identified known physical factors relevant...

This paper presents an alternative implementation of the advancing front method for generating two-dimensional triangular unstructured meshes finite-element applications. After initializing along boundaries, internal fronts, called pseudoislands, are created inside domain where a node-spacing function condition is met. When element creation starts, several disjoint fronts made active, one each pseudoisland, and temporal order elements follows smaller to bigger size sequence in...

Mazzolari, A., and Trigo-Teixeira, 2024. Hydrodynamic response of a shallow mesotidal estuary to the artificial shifting two-jettied inlet. In: Phillips, M.R.; Al-Naemi, S., Duarte, C.M. (eds.), Coastlines under Global Change: Proceedings from International Coastal Symposium (ICS) 2024 (Doha, Qatar). Journal Research, Special Issue No. 113, pp. 504-508. Charlotte (North Carolina), ISSN 0749-0208. This study investigates hydrodynamic effects position an inlet navigation channel on tidal...

An approach for simulating storm surge events was investigated and presented in this work. The event that occurred the North of Portugal (Viana do Castelo), during period 14th-16th October 1987 considered. In definition computational domain, path considered, among other aspects. A tidal harmonic analysis made to tide gauge observations extract components, enabling determination sea level residuals. ADCIRC model used hydrodynamic modeling, which included different forcing mechanisms....

In this paper a new methodology for breakwater damage assessment was developed to reflect the advances in monitoring techniques and overcome some limitations process. The proposed implemented on WebGIS called SIMOM - Monitoring System Maritime Works. This system are presented using Ericeira North (Portugal).

Marujo, N.R.C.S.; Araújo, M.A.V.C., Trigo-Teixeira, A.; Falcão, A.P., and Mazzolari, A., 2014. Storm-surge hindcast at Viana do Castelo: An oceanic estuarine domain approach.In the present work a storm-surge event, which occurred in Castelo (Portugal) on 14–17 October 1987, is modelled using advanced circulation model (ADCIRC) . The main purpose of to investigate ability ADCIRC events region. Modelling this type phenomena utmost importance comply with European Union directive 2007/60/CE,...

Eighteen years ago, in the 18th International Conference on Coastal Engineering, held Cape Town — SA, a paper subject of "Littoral Problems Portuguese West Coast" was presented. It concerned coastal stretch 110 km long, littoral process which characterized detail; rough wave climate, strong potential transport and heavy erosion were (are) main features to be pointed out. A general sea defense plan, including more than 60 structures, briefly referred to. This aims at comparison between...

Santos, M.I.; Oliveira, F.S.B.F., and Trigo-Teixeira, A., 2018. Characterization of Maritime Storms Analysis their Effect on the Beaches South Mondego River (Portugal). In: Shim, J.-S.; Chun, I., Lim, H.S. (eds.), Proceedings from International Coastal Symposium (ICS) 2018 (Busan, Republic Korea). Journal Research, Special Issue No. 85, pp. 266–270. Coconut Creek (Florida), ISSN 0749-0208.In study coastal processes dynamics, analysis storms impact is one most discussed topics in terms...

Maritime works deteriorate continuously and at a certain moment in time are need of some sort repair. Usually the decision maker seeks technical advice has to consider resources available. A literature review showed great limitations tools that today use. This paper presents implementation support methodology prioritize repairs rubble-mound breakwaters using MACBETH. Models for benefits repairing breakwaters, which based on visual inspection data only, were created, an expert meeting was...

In the 1980s, a coastal defense plan was prepared for 110-km long stretch of northwest Portuguese coast, from Leixões harbor to Cape Mondego. This paper revisits location Espinho beach and compares original predictions with postconstruction evolution. addition, evolution prediction is reassessed present-day models: one-line model LITMOD parabolic (using Mepbay software) headland-bay beaches. reality, models give overall good when applied domains order 10 km, whereas empirical...

Araújo, M.A.V.C.; Pestana, R.; Matias, M.; Roque, D.; Trigo-Teixeira, A., and Heleno, S., 2016. Using simplified bathymetry SAR imagery in the validation of a hydraulic model for Tagus River floodplain. In: Vila-Concejo, A.; Bruce, E.; Kennedy, D.M., McCarroll, R.J. (eds.), Proceedings 14th International Coastal Symposium (Sydney, Australia). Journal Research, Special Issue, No. 75, pp. 13 - 17. Coconut Creek (Florida), ISSN 0749-0208.This work presents several approaches hydrodynamic Tuflow...

Portela, L.I.; Custódio, A., and Trigo-Teixeira, 2016. Deposition in flowing water of fine sediments under different salinity conditions. In: Vila-Concejo, A.; Bruce, E.; Kennedy, D.M., McCarroll, R.J. (eds.), Proceedings the 14th International Coastal Symposium (Sydney, Australia). Journal Research, Special Issue, No. 75, pp. 118-122. Coconut Creek (Florida), ISSN 0749-0208.While effect on settling has been shown to be important laboratory experiments, only a few studies have attempted...

This study is focused on the analysis and characterization of long waves (seiches) in Cascais Bay-Portugal, where phenomenon known to occur.For this purpose, time series records water surface elevation (WSE) from tidal gauge were analyzed frequency domains.The periodicities found, firstly with a plotting series, two appear immediately: astronomic tide (T=12h 25min) wave period approximately (T=12min), secondly application spectral FFT obtain periodogram.Before FFT, WSE was first filtered for...