Exploració per tema "Observatoris"

Ara es mostren els items 1-20 de 30

    • A new colorimetrically-calibrated automated video-imaging protocol for day-night fish counting at the OBSEA coastal cabled observatory 

      Río Fernandez, Joaquín del; Aguzzi, Jacopo; Costa, C.; Menesatti, Paolo; Sbragaglia, Valerio; Nogueras Cervera, Marc; Sardá Amills, Francesc; Manuel Lázaro, Antonio (2013-10-30)
      Article
      Accés obert
      Field measurements of the swimming activity rhythms of fishes are scant due to the difficulty of counting individuals at a high frequency over a long period of time. Cabled observatory video monitoring allows such a sampling ...

    • A window to the sea: RAIA observatory tool for assessing environmental risks in the NW Iberian coastal upwelling system 

      Conde Pardo, Paula; Almeida Costa, Alexandre; González Castro, Carmen; Taboada Hidalgo, Juan José; Lago Núñez, María de los Ángeles; Montero vilar, Pedro; Allen-Perkins Cáceres, Silvia; Ayensa Aguirre, Garbiñe; Oliveira, Lino; Rocha, Artur (SARTI, 2023)
      Article
      Accés obert
      The international RAIA Observatory serves the main maritime activities of the NW Iberian coastal upwelling system. Over the last few years, the partners of the observatory have identified at least 12 key environmental risks ...

    • Acoustics in water: synergies with marine biology 

      Van der Schaar, Mike Connor Roger Malcolm; Lahmann, Robert; Graf, Kay; Houégnigan, Ludwig; Solsona Berga, Alba; Vreese, Steffen de; Sánchez, Antonio; André, Michel (2016)
      Comunicació de congrés
      Accés obert
      This paper presents some of the bioacoustics related analysis that was performed on the ANTARES data, focussing on the year 2014. The data was processed for sperm whale, dolphin and shipping presence and grouped by hour ...

    • Análisis para la creación de un observatorio tecnológico 

      Díez Manjarrés, Anna; Angulo Bahón, Cecilio (2010)
      Text en actes de congrés
      Accés obert
      Este trabajo detalla el analisis y desarrollo de un Observatorio Tecnológico, de la Robótica Social y de Servicios, a través de una plataforma web como instrumento de vigilancia tecnológica. Todas las fuentes de ...

    • Automatic fish counting from underwater video images: performance estimation and evaluation 

      Marini, S.; Azzurro, E.; Coco, S.; Río Fernandez, Joaquín del; Enguídanos, S.; Fanelli, E.; Nogueras Cervera, Marc; Sbragaglia, Valerio; Toma, Daniel; Aguzzi, Jacopo (SARTI, 2016)
      Comunicació de congrés
      Accés obert
      Cabled observatories offer new opportunities to monitor species abundances at frequencies and durations never attained before. When nodes bear cameras, these may be transformed into the first sensor capable of quantifying ...

    • Challenges to the assessment of benthic populations and biodiversity as a result of rhythmic behaviour: Video solutions from cabled observatories 

      Canals Artigas, Miquel; Aguzzi, Jacopo; Company, Juan Baptista; Costa, Corrado; Matabos, Marjolaine; Azzurro, Ernesto; Manuel Lázaro, Antonio; Menesatti, Paolo; Sardà, Francesc; Priede, Imants G.; Bahamón Rivera, Nixon; Marotta, Leonardo; Chiesa, Juan José; Fujiwara, Yoshihiro; Furushima, Y.; Juniper, S.K.; Favali, Paolo; Cline, D.; Delory, Eric (Chapman & Hall/CRC, 2012-06-01)
      Capítol de llibre
      Accés restringit per política de l'editorial
      All marine species studied thus far show rhythmic temporal patterns in their behavioural, physiological, and molecular functions, which are collectively known as biological rhythms. Biological rhythms are generated by ...

    • Citizen Science and marine community monitoring by video-cabled observatories: the OBSEA Citizen Science Project 

      Río Fernandez, Joaquín del; Aguzzi, Jacopo; Hidalgo Castro, Alberto; Bghiel, Ikram; Manuel Lázaro, Antonio; Sbragaglia, Valerio; Sardà Amills, Francesc (IEEEXPLORE, 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The Citizen Science refers to the public participation in scientific activities and research projects related with environment and its biodiversity are taking advantage of new technologies such us internet and mobile ...

    • Coastal observatories for monitoring of fish behaviour and their responses to environmental changes 

      Aguzzi, Jacopo; Doya, Carol; Río Fernandez, Joaquín del (2015-05-18)
      Article
      Accés obert
      The inclusion of behavioural components in the analysis of a community is of key relevance in marine ecology. Diel and seasonal activity rhythms or more longlasting changes in behavioural responses determine shifts in ...

    • Control and acquisition system design for an Exandable Seafloor Observator (OBSEA) 

      Nogueras Cervera, Marc; Artero Delgado, Carola; Río Fernandez, Joaquín del; Manuel Lázaro, Antonio; Sarriá Gandul, David (IEEE Press. Institute of Electrical and Electronics Engineers, 2009-05)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Design of the control unit for the OBSEA seafloor observatory based on a 32 bit microcontroller with SNMP (Simple Network Management Protocol) communication.

    • Daily activity rhythms in temperate coastal fishes: insights from cabled observatory video monitoring 

      Aguzzi, Jacopo; Sbragaglia, Valerio; Santamaria Garcia, Guillermo; Río Fernandez, Joaquín del; Sarda, Francesc; Nogueras Cervera, Marc; Manuel Lázaro, Antonio (2013-07-12)
      Article
      Accés obert
      The rhythmic behavior of marine species generates uncertainties in population and biodiversity assessments if the frequency of sampling is too low and irregular over time. Few attempts have been made to link community ...

    • Estudi i disseny de l'estructura mecànica de l'observatori submarí OBSEA 

      Gili Trujillo, Francesc Xavier (Universitat Politècnica de Catalunya, 2009-01)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      Realitzat a/amb:   Sarti, Centro Tecnológico de Vilanova i la Geltrú
      Un cop explicat en què consisteix el projecte OBSEA, es presenta a través del disseny 3D en Sòlidworks i 2D en Autocad, una descripció dels diferents components que formen l’estructura mecànica del observatori submarí OBSEA. ...

    • First record of humpback whale songs in Southern Chile: Analysis of seasonal and diel variation 

      Español Jiménez, Sonia; Van der Schaar, Mike Connor Roger Malcolm (2018-02-08)
      Article
      Accés obert
      Male humpback whales (Megaptera novaeangliae) produce complex, patterned songs that are traditionally recorded on their breeding grounds. In this work, we report results from the first continuous acoustic monitoring of a ...

    • Initial study of the background noise level variation at the shore Mediterranean sea 

      Garcia Benadí, Albert; Cadena Muñoz, Francisco Javier; Roset Juan, Francesc Xavier; Río Fernandez, Joaquín del (2015)
      Text en actes de congrés
      Accés obert
      The aim of the paper is shows the variation of the background noise level located in the shore Mediterranean Sea using the data acquired by the OBSEA’s hydrophone during a period of time of 4 months, from April 2015 to June 2015

    • Long term monitoring of day-night fish assemblage at OBSEA 

      Santamaria, Josep; Aguzzi, Jacopo; Sbragaglia, Valerio; Río Fernandez, Joaquín del; Nogueras Cervera, Marc; Manuel Lázaro, Antonio; Sardá Amills, Francesc (2013)
      Text en actes de congrés
      Accés obert
      High frequency monitoring and the reducing of disturbance of sampling activities have a vital importance in the study of fish communities. The aim of this paper is to describe temporal patterns in habitat utilization ...

    • Multiparametric monitoring of fish activity rhythms in an Atlantic coastal cabled observatory 

      Aguzzi, Jacopo; López Romero, David; Marini, Simone; Costa, Conrado; Berry, Alan; Chumbinho, Rogério; Ciuffardi, Tiziana; Fanelli, Emanuela; Pieretti, Nadia; Río Fernandez, Joaquín del; Stefanni, Sergio; Mirimin, Luca; Doyle, J; Lordan, Colm; Gaughan, P. (2020-08-20)
      Article
      Accés obert
      Cabled video-observatories offer new opportunities to monitor fish species at frequencies and durations never attained before, quantifying the behavioural activities of their individuals, and providing ancillary data to ...

    • OBSEA an oceanographic seafloor observatory 

      Nogueras Cervera, Marc; Río Fernandez, Joaquín del; Cadena Muñoz, Francisco Javier; Sorribas, Jordi; Artero Delgado, Carola; Dañobeitia, Juan José; Manuel Lázaro, Antonio (2010)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper is described the different items of a subsea observatory. The control system is constantly monitoring the internal and external components of the observatory detecting operating faults and acting automatically ...

    • OBSEA: a cabled seafloor observatory at the spanish mediterranean coast 

      Dañobeitia, Juan José; Nogueras Cervera, Marc; Piera Fernández, Jaume; Artero Delgado, Carola; Sorribas, Jordi; Río Fernandez, Joaquín del; Manuel Lázaro, Antonio; Castellón Masalles, Arturo; Santamaria, Josep (2009)
      Comunicació de congrés
      Accés obert
      The implementation of submarine sensors at regional scale has been considered within the ESFRI Roadmap as a European strategic infrastructure. In this sense European Union has funded projects as ESONET and EMSO that ...

    • OBSEA: an acoustic-enabled observatory for underwater noise monitoring, sound source localization and tracking 

      Martínez Padró, Enoc; Masmitjà Rusiñol, Ivan; Garcia Benadí, Albert; Toma, Daniel; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del (2020)
      Comunicació de congrés
      Accés obert
      OBSEA is an underwater cabled observatory located 4 km off the coast of Vilanova i la Geltru, Barcelona, Spain at 20m depth. It has been continuously operating since 2009 providing multi-parametric data from a wide range ...

    • Operational multiparameter subsea observation platforms 

      Manuel Lázaro, Antonio; Molino Minero, Erik; Río Fernandez, Joaquín del; Nogueras Cervera, Marc (Woodhead Publishing Limited, 2013-10)
      Capítol de llibre
      Accés restringit per política de l'editorial
      New trends in experimental marine research require long term monitoring of the seas and oceans with higher data resolutions than those which can be obtained from oceanographic vessels, buoys or autonomous se nsors. ...

    • Preliminary results of the OBSEA Citizen Science project 

      Bghiel, Ikram; Río Fernandez, Joaquín del; Hidalgo Castro, Alberto; Toma, Daniel; Manuel Lázaro, Antonio; Aguzzi, Jacopo (2013)
      Text en actes de congrés
      Accés obert
      In this paper, the Citizen Science experience with the OBSEA costal-cabled video observatory, deployed in western Mediterranean [1] is presented. A local biodiversity survey is being conducted by citizens as generic ...