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Ara es mostren els items 14-33 de 94

    • Dynamics of the rhythmic morphology on the low-energy Trabucador beach (Ebro delta) 

      Mujal Colilles, Anna; Grifoll Colls, Manel; Ribas Prats, Francesca; Falqués Serra, Albert (Consejo Superior de Investigaciones Científicas (CSIC), 2019)
      Text en actes de congrés
      Accés obert
      Observations of rhythmic morphology along the Trabucador beach are contrasted with two numerical models to unravel the mechanisms of their formation. The Trabucador is a long narrow barrier at the SW side of the Ebro ...

    • Effect of depth-dependent wave stirring on the final amplitude of shoreface-connected sand ridges 

      Calvete Manrique, Daniel; Swart, Huib E. de; Falqués Serra, Albert (2002-12)
      Article
      Accés restringit per política de l'editorial
      A nonlinear morphodynamic model is analysed to gain fundamental knowledge about the initial growth and long-term behaviour of observed shoreface-connected sand ridges. Themodel describes quasi-steady, depth-averaged flow ...

    • Effect of large angles of wave incidence on beach nourishments 

      Van den Berg, Niels; Falqués Serra, Albert; Ribas Prats, Francesca (2009)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The aim of this study is to investigate the effect of instability on beach nourishments. The main objective is finding out how the nourishment of a particular beach must be designed to i) optimize its useful lifetime and ...

    • Effect of surface rollers on the formation crescentic bars 

      Calvete Manrique, Daniel; Ribas Prats, Francesca; de Swart, Huib E.; Falqués Serra, Albert (2011)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The effect of surface rollers on the formation of crescentic bars/rip channel systems is examined with a morphodynamic model. A linear stability analysis is applied to find the fastest growing bottom patterns that develop ...

    • Effect of surface rollers on the formation of crescentic bars: large angles of incidence 

      Calvete Manrique, Daniel; Ribas Prats, Francesca; Swart, Huib E. de; Falqués Serra, Albert (2012)
      Comunicació de congrés
      Accés obert
      The formation of crescentic bars is examined using a morphodynamic model based in linear stability analysis. The effect of surface rollers for off-normal wave conditions is examined. The effect of the rollers is to increase ...

    • Emerging crescentic patterns in modelled double sandbar systems under normally incident waves 

      Coco, Giovanni; Calvete Manrique, Daniel; Ribas Prats, Francesca; de Swart, Huib E.; Falqués Serra, Albert (European Geosciences Union (EGU), 2020-05-06)
      Article
      Accés obert
      Double sandbar systems often characterize the surf zone of wave-dominated beaches and display a variety of poorly explained spatial configurations. Here, we explore the morphodynamic stability of double-barred beaches using ...

    • Formation and destruction events of shoreline sand waves 

      Arriaga García, Jaime Alonso; Falqués Serra, Albert; Ribas Prats, Francesca (2017)
      Text en actes de congrés
      Accés obert

    • Formation and destruction of shoreline sand waves: observations and modelling 

      Arriaga García, Jaime Alonso; Falqués Serra, Albert; Ribas Prats, Francesca; Crews, Eddie (2017)
      Text en actes de congrés
      Accés obert

    • Formation events of shoreline sand waves on a gravel beach 

      Arriaga García, Jaime; Falqués Serra, Albert; Ribas Prats, Francesca; Crews, Eddie (2018-05-04)
      Article
      Accés obert
      Kilometric-scale shoreline sand waves (KSSW) have been observed in the north-east flank of the Dungeness Cuspate Foreland (southeastern coast of the UK). They consist of two bumps separated by embayments with a 350–450-m ...

    • Formation mechanisms for self-organized kilometer-scale shoreline sand waves 

      Falqués Serra, Albert; Ribas Prats, Francesca; Idier, Déborah; Arriaga García, Jaime Alonso (2017-05-16)
      Article
      Accés obert
      The feedbacks between morphology and waves through sediment transport are investigated as a source of kilometer-scale shoreline sand waves. In particular, the observed sand waves along Srd. Holmslands Tange, Denmark, are ...

    • Generation and nonlinear evolution os shore-oblique/transverse sand bars 

      Garnier, Roland; Calvete Manrique, Daniel; Falqués Serra, Albert; Caballeria Suriñach, Miquel (2006-11)
      Article
      Accés obert
      The coupling between topography, waves and currents in the surf zone may self-organize to produce the formation of shore-transverse or shore-oblique sand bars on an otherwise alongshore uniform beach. In the absence of ...

    • How kilometric sandy shoreline undulations correlate with wave and morphology characteristics: preliminary analysis on the Atlantic coast of Africa 

      Idier, Deborah; Falqués Serra, Albert (2014-04-01)
      Article
      Accés obert
      Sandy coasts are characterized by a number of rhythmic patterns like, amongst others, shoreline undulations or sandwaves at a kilometric scale. One hypothesis for their formation is that high angle waves (large incidence ...

    • How observed kilometric sandy shoreline undulations depend on wave climate 

      Idier, Déborah; Falqués Serra, Albert; Garcin, Manuel; Rohmer, Jérémy (2018-05-01)
      Article
      Accés restringit per política de l'editorial
      Idier, D.; Falqués, A.; Garcin, M., and Rohmer, J., 2018. How observed kilometric sandy shoreline undulations depend on wave climate. In: Shim, J.-S.; Chun, I., and Lim, H.S. (eds.), Proceedings from the International ...

    • Image analysis of surf zone hydrodynamics 

      Redondo Apraiz, José Manuel; Falqués Serra, Albert; Rodríguez, A.; Bahía, E.; Sánchez-Arcilla Conejo, Agustín; Gracia Garcia, Vicente; Stive, Marcel J.F. (American Society of Civil Engineers (ASCE), 1994)
      Comunicació de congrés
      Accés obert

    • Impact of mean sea-level rise on the long-term evolution of a mega-nourishment 

      Ribas Prats, Francesca; Portos Amill, Laura; Falqués Serra, Albert; Arriaga García, Jaime Alonso; Marcos Moreno, Marta; Ruessink, Gerben (Springer Nature, 2023-05-15)
      Article
      Accés obert
      Mean sea-level rise (MSLR) will induce shoreline recession, increasing the stress on coastal systems of high socio-economic and environmental values. Localized mega-nourishments are meant to alleviate erosion problems by ...

    • Intertidal finger bars at El Puntal spit, bay of Santander, Spain 

      Garnier, Roland; Medina, Raúl; Pellón, Erica; Falqués Serra, Albert; Turki, Imen (2012)
      Comunicació de congrés
      Accés obert
      We indentify the presence of an intertidal finger bar system in the swell-protected beaches of El Puntal Spit (Bay of Santander, Spain). The Horus video monitoring system allows us to perform a 2 year survey (June 2008- ...

    • Km-scale shoreline sand waves 

      Falqués Serra, Albert; Ribas Prats, Francesca (Springer International Publishing, 2017)
      Capítol de llibre
      Accés restringit per política de l'editorial
      A number of morphodynamic models have been developed to simulate the dynamics of large-scale bedform patterns on the continental shelf. Most of the models are based on linear stability analysis and, therefore, only ...

    • Km-scale shoreline sand waves in the Western Mediterranean Sea 

      Falqués Serra, Albert; Ribas Prats, Francesca (Springer International Publishing, 2017)
      Capítol de llibre
      Accés restringit per política de l'editorial
      A number of morphodynamic models have been developed to simulate the dynamics of large-scale bedform patterns on the continental shelf. Most of the models are based on linear stability analysis and, therefore, only ...

    • Km-scale shoreline sand waves: Numerical modelling and observations 

      Arriaga García, Jaime Alonso; Ribas Prats, Francesca; Mariño-Tapia, Ismael; Falqués Serra, Albert (2014)
      Text en actes de congrés
      Accés obert
      Km-scale shoreline sand waves have been studied with a quasi two dimensional model (Q2D-morfo model) and with observations from a populated coastal zone in Yucatán (México) with frequent human interventions. The model ...

    • Large-scale dynamics of sandy coastlines: diffusivity and instability 

      Falqués Serra, Albert; Calvete Manrique, Daniel (2005-03)
      Article
      Accés obert
      The dynamics of small-amplitude perturbations of an otherwise rectilinear coastline due to the wave-driven alongshore sediment transport is examined at large time and length scales (years and kilometers). A linear stability ...