Now showing items 1-20 of 71

    • 246. Bioenginyeria: revolucionant la medicina del futur 

      Universitat Politècnica de Catalunya. Rectorat (Oficina de Mitjans de Comunicació, 2011)
      Article
      Open Access
    • A critical period of susceptibility to sound in the sensory cells of cephalopod hatchlings 

      Solé Carbonell, Marta; Lenoir, Marc; Fortuño Alós, Jose-Manuel; Van der Schaar, Mike Connor Roger Malcolm; André, Michel (2018-01-01)
      Article
      Open Access
      The cephalopod statocyst and lateral line systems are sensory organs involved in orientation and balance. Lateral lines allow cephalopods to detect particle motion and are used for locating prey or predators in low light ...
    • A novel approach to real-time range estimation of underwater acoustic sources using supervised machine learning 

      Houégnigan, Ludwig; Safari, Pooyan; Nadeu Camprubí, Climent; Van der Schaar, Mike Connor Roger Malcolm; André, Michel (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Conference lecture
      Open Access
      The proposed paper introduces a novel method for range estimation of acoustic sources, both cetaceans and industrial sources, in deep sea environments using supervised learning with neural networks in the contex of a single ...
    • A second generation of an autonomous and portable auditory screening system for cetacean clinical and research purposes 

      Mas, Alex; Castell Balaguer, Joan Vicent; Río Fernandez, Joaquín del; Van der Schaar, Mike Connor Roger Malcolm; Delory, Eric; André, Michel (2009)
      Conference lecture
      Open Access
    • Acoustic system for physical oceanography research in deep ocean 

      Biescas, Berta; Sallarès, Valentí; Mojica, Jhon; Carniel, Sandro (SARTI, 2016)
      Conference lecture
      Open Access
      Marine multichannel seismic (MCS) data, used to obtain structural reflection images of the Earth’s subsurface, can also be used in physical oceanography exploration. This method provides vertical and lateral resolutions of ...
    • Acoustic tag tracking: first experiments 

      Masmitjà Rusiñol, Ivan; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del; Kieft, B.; O'Reilly, Thomas; Aguzzi, Jacopo; Bouvet, P.J. (SARTI, 2018)
      Article
      Open Access
      Nowadays, the use of autonomous vehicles for ocean research has increased, since these vehicles have a better cost/performance ratio than crewed vessels or oceanographic ships. For example, autonomous surface vehicles can ...
    • Acoustic tracking of Nephrops norvegicus by networked moored hydrophones in a deep-sea no-take reserve of the North Western Mediterranean Sea 

      Masmitjà Rusiñol, Ivan; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del; Navarro, Joan; Vigo Fernandez, Maria; Aguzzi, Jacopo; Bahamón Rivera, Nixon; García del Arco, José Antonio; Rotllant Estelrich, Guiomar; Company Claret, Joan Baptista (2020-12-01)
      Article
      Open Access
      Knowing the displacement capacity and mobility patterns of fished marine resources is pivotal to establish effective conservation management strategies in marine ecosystems. Accurate behavioral information of deep-sea ...
    • An acoustic valve within the nose of sperm whales Physeter macrocephalus 

      Huggenberger, Stefan; André, Michel; Oelschläger, Helmut A. (2014-04-01)
      Article
      Restricted access - publisher's policy
      Sperm whales Physeter macrocephalus emit impulsive sound signals in short series of rhythmic clicks (codas) for communication, and in long series of single acoustic events (usual clicks) for echolocation. Both click types ...
    • An embedded passive acoustic device for realtime hydroacoustic surveys 

      Toma, Daniel; Río Fernandez, Joaquín del; Martínez Padró, Enoc; Casale, Alessandra; Figoli, Alberto; Pinzani, Diego; Cervantes, Pablo; Ruiz, Pablo; Delory, Eric; Memè, Simone (2017)
      Conference report
      Open Access
      In this paper, we provide a comprehensive description of cost-efficient, innovative and interoperable ocean passive acoustics sensors systems, developed within the European FP7 project NeXOS (Next generation Low-Cost ...
    • An interoperable architecture for in situ ocean noise monitoring 

      Martínez Padró, Enoc; Masmitjà Rusiñol, Ivan; Garcia Benadí, Albert; Toma, Daniel; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del (2021)
      Conference report
      Open Access
      Anthropogenic noise in the oceans has been significantly raising in the past decades due to an increment of human activities, adversely affecting the marine habitat. In order to assess and limit this impact, the long -term ...
    • Analysis and initial design of bidirectional acoustic tag modulation schemes and communication protocol 

      Corregidor, Daniel; Masmitjà Rusiñol, Ivan; López Navarro, Juan Manuel; Gomáriz Castro, Spartacus; Navarro, Joan; De Arcas Castro, Guillermo (2021)
      Conference report
      Restricted access - publisher's policy
      Acoustic underwater tags are key devices to study marine animals and obtain information regarding their behaviour. This information is essential to increase our knowledge of oceanic species and implement efficient conservation ...
    • Arctic anthropogenic sound contributions from seismic surveys during summer 2013 

      Van der Schaar, Mike Connor Roger Malcolm; Haugerud, Anja J.; Weissenberger, Jürgen; Vreese, Steffen de; André, Michel (2017-06-13)
      Article
      Open Access
      Statoil deployed three acoustic recorders from fall 2013 to 2014 in the Arctic region as part of a broad scientific campaign. One recorder was installed in the Barentsz Sea south-east of Spitsbergen. Two other recorders ...
    • Best practices in management, assessment and control of underwater noise pollution 

      André, Michel; Morell, Maria; Alex, Mas; Solé Carbonell, Marta; Van der Schaar, Mike Connor Roger Malcolm; Houégnigan, Ludwig; Zaugg, Serge Alain; Castell Balaguer, Joan Vicent (2009-06-30)
      External research report
      Open Access
      The origin of this work can be found in the project ‘Effects and Control of Anthropogenic Noise in Marine Ecosystems’ in the part relative to legal initiatives. In the first phase of the Report on this Project (December ...
    • Biological and anthropogenic sound sources: effects and control in the European Seas Observatory Network (ESONET) 

      André, Michel; Manuel Lázaro, Antonio; Dañobeitia, Juan José; Rolin, Jean-François; Person, Roland (2008-08-01)
      Article
      Restricted access - publisher's policy
    • Breeze influence on waves and vertical current profile in the coastal area based on EOF analysis (Vilanova i la Geltrú, Barcelona) 

      Antonijuan Rull, Josefina; Simarro, Gonzalo; Guillén Aranda, Jorge; Nogueras Cervera, Marc; Manuel Lázaro, Antonio; Palanques Monteys, Albert; Puig, Pere (2013)
      Conference report
      Open Access
      This article presents some preliminary results on the breeze influence on waves and vertical current profiles during eleven months of data recorded by an Acoustic Wave and Current Profiler installed in the OBSEA platform ...
    • Changes in 63 Hz third-octave band sound levels over 42 months recorded at four deep-ocean observatories 

      Van der Schaar, Mike Connor Roger Malcolm; Ainslie, Michael A.; Robinson, Stephen P.; Prior, Mark K.; André, Michel (2014-02-15)
      Article
      Restricted access - publisher's policy
      The growing scientific and societal concerns about the effects of underwater sound on marine ecosystems have been recently recognised through the introduction of several international initiatives, like the International ...
    • Classification of sperm whale clicks (Physeter macrocephalus) with Gaussian-kernel based networks 

      Van der Schaar, Mike Connor Roger Malcolm; Delory, Eric; André, Michel (2008-11-15)
      Article
      Open Access
      With the aim of classifying sperm whales, this report compares two methods that can use Gaussian functions, a radial basis function network, and support vector machines which were trained with two different approaches known ...
    • Combined current profiling and biological echosounding results from a single ADCP 

      Velasco, David W.; Nylund, Sven; Molina, Cristobal (SARTI, 2018)
      Article
      Open Access
      The present work describes a newly-developed Acoustic Doppler Current Profiler (ADCP) that has a fully integrated single-beam wide-band biological echosounder, thus serving a dual purpose: current measurement and biomass ...
    • Comunicació i posicionament subaquàtic mitjançant mòdems de baix cost 

      Font Fullera, Oleguer (Universitat Politècnica de Catalunya, 2020-10-29)
      Bachelor thesis
      Open Access
      Actualment, gràcies a l’interès i les millores tecnològiques en les comunicacions sense cables, les comunicacions acústiques subaquàtiques han guanyat importància i s’han convertit en les més utilitzades en el mar. Aquestes ...
    • Contribution to unravel variability in bowhead whale songs and better understand its ecological significance 

      Erbs, Florence Amandine; Van der Schaar, Mike Connor Roger Malcolm; Weissenberger, Jürgen; Zaugg, Serge Alain; André, Michel (Nature, 2021-01-08)
      Article
      Open Access
      Since the first studies on bowhead whale singing behaviour, song variations have been consistently reported. However, there has been little discussion regarding variability in bowhead whale singing display and its ecological ...