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Ara es mostren els items 56-75 de 82

    • Pollution retention in harbours analysed through numerical modelling: Bilbao and Pasaia cases 

      Ferrer, L.; Campo, A. del; González, M.; Grifoll Colls, Manel; Fontán, A.; Mader, J.; Uriarte, A.; Berregi, J.; International Congress on Maritime Transport (3er : 2006 : Barcelona, Catalunya) (2009-04-28)
      Audiovisual
      Accés obert

    • Potential economic benefits of using a weather ship routing system at Short Sea Shipping 

      Grifoll Colls, Manel; Martínez de Osés, Francesc Xavier; Castells Sanabra, Marcel·la (2018-06)
      Article
      Accés obert
      This contribution investigates the economic benefits of using weather ship routing on Short Sea Shipping (SSS) activities. The investigation is supported with the development of a ship routing system based on pathfinding ...

    • Rhythmic morphology in a microtidal low-energy beach 

      Mujal Colilles, Anna; Grifoll Colls, Manel; Falqués Serra, Albert (2019-06)
      Article
      Accés obert
      Observations of rythmic features along the inner side of the Trabucador barrier beach are coupled to two numerical models to unravel the mechanisms of its formation. The Trabucador is a long (6 Km) narrow (125 m) barrier ...

    • Seasonal circulation over the Catalan inner-shelf (northwest Mediterranean Sea) 

      Grifoll Colls, Manel; Aretxabaleta, A.; Pelegrí Llopart, Josep Lluís; Espino Infantes, Manuel; Wagner, John C; Sánchez-Arcilla Conejo, Agustín (2013-10)
      Article
      Accés obert
      This study characterizes the seasonal cycle of the Catalan inner-shelf circulation using observations and complementary numerical results. The relation between seasonal circulation and forcing mechanisms is explored through ...

    • Seasonal sediment dynamics on the Barcelona inner shelf (NW Mediterranean): a small Mediterranean river- and wave-dominated system 

      López, Laura; Guillén, Jorge; Palanques, Albert; Grifoll Colls, Manel (2017-08)
      Article
      Accés obert
      The seasonal pattern of sediment dynamics on an inner shelf characterized by the presence of sediment delivered by a small, mountainous river (with a “flash-flood” regime) was investigated. Near-bottom suspended sediment ...

    • Sediment transport and dispersal in the nearshore of “flash-flood” rivers 

      Grifoll Colls, Manel; Gracia Garcia, Vicente; Guillén Aranda, Jorge; Espino Infantes, Manuel; Sánchez-Arcilla Conejo, Agustín (2014)
      Comunicació de congrés
      Accés obert
      River sediment dispersal on the near-shore of “flash-flood” rivers is investigated using a coupled wave-current-sediment transport model. Besòs and Llobregat rivers (short and mountainous rivers in NW Mediterranean Sea, ...

    • Shelf circulation induced by an orographic wind jet 

      Ràfols Bundó, Laura; Grifoll Colls, Manel; Jordà, Gabriel; Espino Infantes, Manuel; Sairouni, Abdel; Bravo, M. (Wiley, 2017-10)
      Article
      Accés obert
      The dynamical response to cross-shelf wind-jet episodes is investigated. The study area is located at the northern margin of the Ebro Shelf, in the Northwestern (NW) Mediterranean Sea, where episodes of strong northwesterly ...

    • Shelf response to intense offshore wind 

      Grifoll Colls, Manel; Aretxabaleta, A.; Espino Infantes, Manuel (American Geophysical Union (AGU), 2015-09)
      Article
      Accés obert
      Cross and along-shelf winds drive cross-shelf transport that promotes the exchange of tracers and nutrients to the open sea. The shelf response to cross-shelf winds is studied in the north shelf of the Ebro Delta (Mediterranean ...

    • Shifting momentum balance and frictional adjustment observed over the inner-shelf during a storm 

      Grifoll Colls, Manel; Aretxabaleta, A.; Pelegrí Llopart, Josep Lluís; Espino Infantes, Manuel (2015-05)
      Article
      Accés obert
      We investigate the rapidly changing equilibrium between the momentum sources and sinks during the passage of a two-peak storm over the Catalan inner-shelf (NW Mediterranean Sea). Velocity measurements at 24 m water depth ...

    • Ship emissions reduction using weather ship routing optimisation 

      Borén Altés, Clara; Castells Sanabra, Marcel·la; Grifoll Colls, Manel (2022-01-01)
      Article
      Accés obert
      A significant proportion of global carbon dioxide emissions are attributed to ocean-sailing ships and shipping emissions are predicted to double in less than 30 years. This paper investigates the benefit of using weather ...

    • Ship weather routing using pathfinding algorithms: the case of Barcelona – Palma de Mallorca 

      Grifoll Colls, Manel; Martorell, Lluis; Castells Sanabra, Marcel·la; Martínez de Osés, Francesc Xavier (Universidad de Oviedo, 2018)
      Text en actes de congrés
      Accés obert
      Weather ship routing has become a recognized measure to target safe, sustainable and economical ship activities. Academic research has focused the ship routing optimization through pathfinding algorithms which take into ...

    • Ship-weather routing applied to short sea distances: study of the feasibility of SIMROUTEv2 algorithm 

      Basiana Ribera, Lluís; Castells Sanabra, Marcel·la; Grifoll Colls, Manel; Martínez de Osés, Francesc Xavier; Borén Altés, Clara (2017)
      Comunicació de congrés
      Accés obert

    • Short-term response of chlorophyll a concentration due to intense wind and freshwater peak episodes in estuaries: The case of fangar Bay (Ebro Delta) 

      Fernández-Pedrera Balsells, Marta; Grifoll Colls, Manel; Fernández Tejedor, Margarita; Espino Infantes, Manuel (2021-03-05)
      Article
      Accés obert
      Estuaries and coastal bays are areas of large spatio-temporal variability in physical and biological variables due to environmental factors such as local wind, light availability, freshwater inputs or tides. This study ...

    • Subtidal circulation in a microtidal Mediterranean bay 

      Cerralbo Peñarroya, Pablo; Espino Infantes, Manuel; Grifoll Colls, Manel; ValleLevinson, Arnoldo (2018-12)
      Article
      Accés obert
      We examine the role of different forcings on the subtidal circulation in a microtidal bay with freshwater inputs in the NW Mediterranean Sea: Alfacs Bay. Observations of subtidal flow in summer 2013 and winter 2014 reveal ...

    • Temporal evolution of the momentum balance terms and frictional adjustment observed over the inner shelf during a storm 

      Grifoll Colls, Manel; Aretxabaleta, A.; Pelegrí Llopart, Josep Lluís; Espino Infantes, Manuel (2016-01)
      Article
      Accés obert
      We investigate the rapidly changing equilibrium between the momentum sources and sinks during the passage of a single two-peak storm over the Catalan inner shelf (NW Mediterranean Sea). Velocity measurements at 24¿m water ...

    • The SAMOA project: downscalling operational oceanography for improving Harbour operations 

      Álvarez Fanjul, Enrique; García Sotillo, Marcos; Pérez Gómez, Begoña; Grifoll Colls, Manel; Espino Infantes, Manuel; Mestres Ridge, Marc; Cerralbo Peñarroya, Pablo; Sánchez-Arcilla Conejo, Agustín (European Global Ocean Observing System (EuroGOOS), 2018)
      Text en actes de congrés
      Accés obert
      SAMOA is a revolution in the way solutions are provided to the Operational Oceanography needs of the Port Authorities. An integrated system, ultimately based on CMEMS data, has been developed. A total of 10 new high-resolution ...

    • Tidal transformation and resonance in a short, microtidal Mediterranean estuary (Alfacs Bay in Ebre delta) 

      Cerralbo Peñarroya, Pablo; Grifoll Colls, Manel; Valle Levinson, Arnoldo; Espino Infantes, Manuel (2014-05)
      Article
      Accés restringit per política de l'editorial
      Tidal and subtidal waves are analyzed with sea-level data and numerical modeling in a short and micro-tidal embayment, Alfacs Bay (NW Mediterranean Sea). Data analysis exhibits tidal wave amplification and seiching ...

    • Trade strategy with the countries along the Ice Silk Road: a Rabin model-based perspective 

      Liu, Tianshou; Ding, Chaojun; Feng, Hongxiang; Yang, Zhongzhen; Grifoll Colls, Manel; Lin, Qin (2024-03-04)
      Article
      Accés restringit per política de l'editorial
      Since the Ice Silk Road (ISR) was put forward, its development prospect has become the focus of academic circles. To study the influence mechanism of ‘fairness preference’ on the trade cooperation of countries along the ...

    • Traffic analysis of Yangtze river delta multi-port system (china) using hierarchical clustering 

      Huang, Dong; Grifoll Colls, Manel; Zheng, Pengjun; Feng, Hongxiang (Universitat Politècnica de Catalunya. Departament de Ciència i Enginyeria Nàutiques, 2020-09)
      Text en actes de congrés
      Accés obert
      This paper focuses on the container throughput of 15 ports in the Yangtze River Delta (YRD) multi-port system from 1992 to 2019 to explore the evolution of container traffic share using concentration indexes and hierarchical ...

    • Use of a hydrodynamic model for the management of water renovation in a coastal system 

      Cerralbo Peñarroya, Pablo; Fernández-Pedrera Balsells, Marta; Mestres Ridge, Marc; Fernández Tejedor, Margarita; Espino Infantes, Manuel; Grifoll Colls, Manel; Sánchez-Arcilla Conejo, Agustín (2019-03)
      Article
      Accés obert
      In this contribution we investigate the hydrodynamic response in Alfacs Bay (Ebro Delta, NW Mediterranean Sea) to different anthropogenic modifications in freshwater flows and inner bay–open sea connections. The fresh water ...