Blar i SINTEF Ocean på tittel

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    • Modelling and simulation of rotary feed spreaders with application to sea cage aquaculture ? A study of common and alternative designs 

      Skøien, Kristoffer Rist; Alver, Morten; Alfredsen, Jo Arve (Journal article; Peer reviewed, 2018-08)
      Rotary feed spreaders are extensively used in large scale fish aquaculture and are tasked with distributing pelletized feed in a spatially uniform manner over the water surface. Questions have been raised with respect to ...

    • Modelling biodegradation of crude oil components at low temperatures 

      Nordam, Tor; Lofthus, Synnøve; Brakstad, Odd Gunnar (Others, 2020-09)
      For oil spilled at sea, the main weathering processes are evaporation, emulsification, photo-oxidation, dispersion and biodegradation. Of these, only biodegradation may completely remove hydrocarbons from the environment ...

    • Modelling how the physical scale of experimental tanks affects salmon growth performance 

      Føre, Martin; Alver, Morten; Alfredsen, Jo Arve; Senneset, Gunnar; Espmark, Åsa Maria Olofsdotter; Terjesen, Bendik Fyhn (Journal article; Peer reviewed, 2018-10-01)
      In this study, we explored the potential of using mathematical models for studying the effects of physical scale of production units on the growth performance of Atlantic salmon (Salmo salar L.). Atlantic salmon are typically ...

    • Modelling of Crystallization During Freeze-Concentration of Hydrolysates 

      Khan, Muhammad Umar; Tolstorebrov, Ignat; Widell, Kristina Norne; Hafner, Armin; Nordtvedt, Tom Ståle (Chapter; Peer reviewed, 2022)
      Dewatering of fish protein hydrolysates is energy intensive process. The freeze concentration is one of the solutions, which provide high quality of concentrate, energy efficiency and sustainability of the hydrolysate ...

    • Modelling of Hydrodynamic Loads on Aquaculture Net Cages by a Modified Morison Model 

      Bore, Pål Takle; Amdahl, Jørgen; Kristiansen, David (Chapter, 2017)
      A modified Morison model is presented for calculation of hydrodynamic forces on aquaculture net cages. The model is based on a simple method for conversion of \textit{"screen model force coefficients"} to approximate ...

    • Modelling of oil thickness in the presence of an ice edge 

      Nordam, Tor; Litzler, Emma; Skancke, Jørgen; Singsaas, Ivar; Leirvik, Frode; Johansen, Øistein (Journal article; Peer reviewed, 2020-07)
      Oil slick thickness is a key parameter for the behaviour of oil spilled at sea. It influences evaporation and entrainment, viable response options, and the risk to marine life at the surface. Determining this value is ...

    • Modelling of Synthetic Fibre Rope Mooring for Floating Offshore Wind Turbines 

      Sørum, Stian Høegh; Fonseca, Nuno; Kent, Michael; Faria, Rui Pedro (Journal article; Peer reviewed, 2023)
      Fibre ropes offer beneficial properties for mooring of floating offshore wind turbines (FOWTs). However, the mooring line’s stiffness is both load-history and load-rate dependent. A quasi-static stiffness is observed for ...

    • Modelling the cultivation and bioremediation potential of the kelp Saccharina latissima in close proximity to an exposed salmon farm in Norway 

      Broch, Ole Jacob; Ellingsen, Ingrid H.; Forbord, Silje; Wang, Xinxin; Volent, Zsolt; Alver, Morten; Handå, Aleksander; Andresen, Kjersti; Slagstad, Dag; Reitan, Kjell Inge; Olsen, Yngvar; Skjermo, Jorunn (Journal article; Peer reviewed, 2013-08-13)
      A 3-dimensional hydrodynamic-ecological model system (SINMOD) was used to estimate the full-scale cultivation potential of the brown alga Saccharina latissima in integrated multi-trophic aquaculture (IMTA) with Atlantic ...

    • Modelling the dynamics of growth, development and lipid storage in the marine copepod Calanus finmarchicus 

      Jager, Tjalling; Salaverria-Zabalegui, Iurgi Imanol; Altin, Dag; Nordtug, Trond; Hansen, Bjørn Henrik (Journal article; Peer reviewed, 2017)
      Mechanistic models are essential tools for interpreting and predicting the consequences of a changing environment and stressors such as pollution on the life histories of marine organisms. Here, we apply the simple and ...

    • Modernisation and updating of SINTEF Oil Weathering Model (OWM} - Extending and recalibration of the Crude Assay (CA) module in SINTEF OWM 

      Brandvik, Per Johan; Hellstrøm, Kaja Cecilie; Sørheim, Kristin Rist (SINTEF Ocean rapporter;OC2018 A-040, Research report, 2018-05-15)
      SINTEF har siden åttitallet foretatt forvitringsstudier på en rekke oljetyper (både norske og utenlandske). Hovedmålsettingen med disse forvitringsstudiene har vært å predikere oljenes forvitringsegenskaper dvs. hvordan ...

    • Monitoring and modelling of influent patterns, phase distribution and removal of 20 elements in two primary wastewater treatment plants in Norway 

      Farkas, Julia; Polesel, Fabio; Kjos, Marianne Steinsvik; Almeida Carvalho, Patricia; Ciesielski, Tomasz Maciej; Flores-Alsina, Xavier; Hansen, Steffen Foss; Booth, Andy (Journal article; Peer reviewed, 2020-07-10)
      Many small- or medium-sized communities in Northern Europe employ only primary wastewater treatment plants (WWTPs) and effluent discharges can be a relevant source of pollution. The current study combines monitoring and ...

    • Monitoring ocean water quality by deployment of lumpfish (Cyclopterus lumpus) eggs: In situ bioaccumulation and toxicity in embryos 

      Hansen, Bjørn Henrik; Nordtug, Trond; Øverjordet, Ida Beathe; Sørensen, Lisbet; Kvæstad, Bjarne; Davies, Emlyn John; Meier, Sonnich; Gomes, Tania; Brooks, Steven; Farkas, Julia (Peer reviewed; Journal article, 2022)
      Fish embryos can bioaccumulate and are particularly sensitive to a wide range of contaminants, which makes them suitable sentinels for environmental biomonitoring. However, fish embryos are very rarely utilized in environmental ...

    • Monitoring of microplastic pollution in the Arctic: Recent developments in polymer identification, quality assurance and control (QA/QC), and data reporting 

      Primpke, Sebastian; Booth, Andy; Gerdts, Gunnar; Gomiero, Alessio; Kögel, Tanja; Lusher, Amy Lorraine; Strand, Jakob; Scholz-Böttcher, Barbara; Galgani, Francois; Provencher, Jennifer F; Aliani, Stefano; Patankar, Shreyas; Vorkamp, Katrin (Peer reviewed; Journal article, 2022)
      The pollution of the environment with plastics is of growing concern worldwide, including the Arctic region. While larger plastic pieces are a visible pollution issue, smaller microplastics are not visible with the naked ...

    • Mooring Loads of a Circular Net Cage with Elastic Floater in Waves and Current 

      Kristiansen, Trygve; Faltinsen, Odd Magnus (Chapter; Peer reviewed, 2012)
      The mooring loads on an aquaculture net cage in current and waves are investigated by dedicated model tests and numerical simulations. The main purpose is to investigate which physical effects are dominant for mooring ...

    • Mortality and transcriptional effects of inorganic mercury in the marine copepod Calanus finmarchicus 

      Tollefsen, Knut Erik; Song, You; Høgåsen, Tore; Øverjordet, Ida Beathe; Altin, Dag; Hansen, Bjørn Henrik (Journal article; Peer reviewed, 2017-08-25)
      Inorganic mercury (Hg) is highly toxic to organisms including crustaceans and displays multiple toxic modes of action (MoA). The main aim of this investigation was to assess the acute and sublethal toxicity mediated by ...

    • Motion Trajectory Estimation of Salmon Using Stereo Vision 

      Nygård, Trym Anthonsen; Jahren, Jan Henrik; Schellewald, Christian; Stahl, Annette (Peer reviewed; Journal article, 2022)
      A main concern for the aquaculture industry is the fish behaviour and welfare. Motion trajectory analysis of salmon at aquaculture farming sites with respect to certain aquaculture operations aims to provide information ...

    • Moving forward in microplastic research: A Norwegian perspective 

      Lusher, Amy; Hurley, Rachel; Arp, Hans Peter H; Booth, Andy; Bråte, Inger Lise Nerland; Gabrielsen, Geir W.; Gomiero, Alessio; Gomes, Tania; Grøsvik, Bjørn Einar; Green, Norman; Haave, Marte; Hallanger, Ingeborg G.; Halsband, Claudia; Herzke, Dorte; Joner, Erik J; Kögel, Tanja; Rakkestad, Kirsten; Ranneklev, Sissel Brit; Wagner, Martin; Olsen, Marianne (Peer reviewed; Journal article, 2021)
      Given the increasing attention on the occurrence of microplastics in the environment, and the potential envi-ronmental threats they pose, there is a need for researchers to move quickly from basic understanding to applied ...

    • Mulighetene for foredling og produkter fra restråstoff fra hvitfisk 

      Grimsmo, Leif; Carvajal, Ana Karina; Slizyte, Rasa; Thakur, Maitri; Toldnes, Bendik; Wolff, Robert (SINTEF Fiskeri og havbruk reports;A26862, Research report, 2015-04)
      Rapporten gir en evaluering av mulighetene for foredling og produkter fra restråstoff fra hvitfisk i Norge med hovedfokus på raffinering av proteinfraksjonen. De viktigste anbefalte satsingsområdene er; • Utvikling av ...

    • Multi-Robot Exploration of Underwater Structures 

      Xanthidis, Marios; Joshi, Bharat; O'Kane, Jason M.; Rekleitis, Ioannis (Peer reviewed; Journal article, 2022)
      This paper discusses a novel approach for the exploration of an underwater structure. A team of robots splits into two roles: certain robots approach the structure collecting detailed information (proximal observers) while ...

    • A Multidisciplinary Approach for Improving Resource Efficiency in the Indian Surimi Supply Chain 

      Thakur, Maitri; Cowan, Emily Christine; Widell, Kristina Norne; Mozuraityte, Revilija; Slizyte, Rasa (Peer reviewed; Journal article, 2021)
      With the world population set to approach an estimated 9 billion by 2050, against a background of finite natural resources, we need renewable biological resources for securing healthy food and animal feed to meet the ...