• Bycatch reduction in the deep-water shrimp (Pandalus borealis) trawl fishery by increasing codend mesh openness 

  Jacques, Nadine; Pettersen, Hermann; Cerbule, Kristine; Herrmann, Bent; Ingólfsson, Ólafur Arnar; Sistiaga, Manu Berrondo; Larsen, Roger B.; Brinkhof, Jesse; Grimaldo, Vela Eduardo; Brčić, Jure; Lilleng, Dagfinn (Peer reviewed; Journal article, 2021)

  In most trawl fisheries, drag forces tend to close the meshes in large areas of diamond mesh codends, negatively affecting their selective potential. In the Barents Sea deep-water shrimp (Pandalus borealis) trawl fishery, ...

• Experimental verification of the elastic response in a numeric model of a composite propeller blade with bend twist deformation 

  Rokvam, Sondre Østli; Vedvik, Nils Petter; Mark, Lukas; Rømcke, Eivind; Ølnes, Jon; Savio, Luca; Echtermeyer, Andreas (Peer reviewed; Journal article, 2021)

  Adaptive composite propeller blades showing bend twist behaviour have received increasing interest from hydrodynamic and structural engineers. When exposed to periodic loading conditions, such propellers can be designed ...

• Offshore field experiments with in-situ burning of oil: Emissions and burn efficiency 

  Faksness, Liv-Guri; Leirvik, Frode; Taban, Ingrid C.; Engen, Frode; Jensen, Hans V.; Holbu, Jan Willie; Dolva, Hilde; Bråtveit, Magne (Peer reviewed; Journal article, 2021)

  In situ burning (ISB) is an oil spill response technique including ignition and burning to remove oil on the water surface. The technique rapidly and effectively removes large portions of the oil. However, the combustion ...

• Assessing cyber threats for storyless systems 

  Meland, Per Håkon; Nesheim, Dag Atle; Bernsmed, Karin; Sindre, Guttorm (Peer reviewed; Journal article, 2021)

  A proper assessment of potential cyber threats is vital for security decision-making. This becomes an even more challenging task when dealing with new system designs and industry sectors where there is little or no historical ...

• Robust adaptive backstepping DP control of ROVs 

  Ohrem, Sveinung Johan; Amundsen, Herman Biørn; Caharija, Walter; Holden, Christian (Peer reviewed; Journal article, 2022)

  Dynamic positioning is an important control feature for an underwater remotely operated vehicle. This paper presents a nonlinear dynamic positioning controller suited for application to vehicles with model uncertainties, ...

• Optical measurement of tissue perfusion changes as an alternative to electrocardiography for heart rate monitoring in Atlantic salmon (Salmo salar) 

  Svendsen, Eirik; Økland, Finn; Føre, Martin; Randeberg, Lise Lyngsnes; Finstad, Bengt; Olsen, Rolf Erik; Alfredsen, Jo Arve (Peer reviewed; Journal article, 2021)

  Background: Welfare challenges in salmon farming highlights the need to improve understanding of the fish’s response to its environment and rearing operations. This can be achieved by monitoring physiological responses ...

• Exposure to low environmental copper concentrations does not affect survival and development in Atlantic cod (Gadus morhua) early life stages 

  Farkas, Julia; Svendheim, Linn Hjelmeland; Jager, Tjalling; Ciesielski, Tomasz Maciej; Nordtug, Trond; Kvæstad, Bjarne; Hansen, Bjørn Henrik; Kristensen, Torstein; Altin, Dag; Olsvik, Pål Asgeir (Peer reviewed; Journal article, 2021)

  In this study we investigated potential impacts of Cu exposure at low, environmentally relevant, concentrations on early live stages of Atlantic cod (Gadus morhua). Cod embryos and larvae were exposed to 0.5 μg/L (low), ...

• Assessment of random wave energy dissipation due to submerged aquatic plants in shallow water using deep water wave conditions 

  Myrhaug, Dag; Henry, Pierre-Yves T (Peer reviewed; Journal article, 2021)

  This article addresses the random wave energy dissipation due to submerged aquatic plants in shallow water based on deep water wave conditions including estimation of wave damping. The motivation is to provide a simple ...

• Effect of wave-current interaction on a long fjord-crossing floating pontoon bridge 

  Dai, Jian; Abrahamsen, Bjørn Christian; Hansen Viuff, Thomas; Leira, Bernt Johan (Peer reviewed; Journal article, 2022)

  Fjord-crossing floating bridges are sophisticated structures subjected to complex environmental loadings including combined action of wave and current. However, the effect of wave-current action is often neglected in a ...

• A Flexible Fully Nonlinear Potential Flow Model for Wave Propagation over the Complex Topography of the Norwegian Coast 

  Wang, Weizhi; Pakozdi, Csaba; Kamath, Arun; Fouques, Sebastien; Bihs, Hans (Peer reviewed; Journal article, 2022)

  Coastal wave propagation and transformation are complicated due to the significant variations of water depth and irregular coastlines, which are typically present at the Norwegian fjords. A potential flow model provides ...

• Technological innovations promoting sustainable salmon (Salmo salar) aquaculture in Norway 

  Føre, Heidi Moe; Thorvaldsen, Trine; Osmundsen, Tonje Cecilie; Asche, Frank; Tveterås, Ragnar; Fagertun, Jan Tore; Bjelland, Hans Vanhauwaert (Peer reviewed; Journal article, 2022)

  While highly successful in terms of profitable seafood production, salmon (Salmo salar) aquaculture may also be a source of potential negative environmental externalities. In an attempt to address these challenges through ...

• Time domain simulation of marine riser vortex-induced vibrations in three-dimensional currents 

  Kim, Sangwoo; Sævik, Svein; Wu, Jie; Leira, Bernt Johan (Peer reviewed; Journal article, 2022)

  One of the major uncertainties related to present Vortex-Induced Vibrations (VIV) prediction practice is related to the simplification of real multi-directional current profiles into equivalent uni-directional ones. This ...

• Scale-dependent particle clustering in transitional wake flow 

  Shi, Zhaoyu; Jiang, Fengjian; Zhao, Lihao; Andersson, Helge Ingolf (Peer reviewed; Journal article, 2022)

  Dispersion and mixing of inertial point particles in the unsteady and three-dimensional wake of a circular cylinder at Re=200 are investigated via one-way coupled simulations. The presence of streamwise-oriented vortical ...

• A method to identify and rank objects and hazardous interactions affecting autonomous ships navigation 

  Bolbot, Victor; Theotokatos, Gerasimos; Wennersberg, Lars Andreas Lien (Peer reviewed; Journal article, 2022)

  The Autonomous Navigation System (ANS) constitutes a critical key enabling technology required for operating Maritime Autonomous Surface Ships (MASS). To assure the safety of MASS operations, the effective identification ...

• Assessing Fuzzy Cognitive Mapping as a participatory and interdisciplinary approach to explore marine microfiber pollution 

  Salberg, Vilde Margrete; Booth, Andy; Jahren, Susie; Novo, Paula (Peer reviewed; Journal article, 2022)

  Fuzzy Cognitive Mapping (FCM) is a participatory modelling tool used to explore complex systems by facilitating interdisciplinary cooperation and integrating a variety of knowledge systems. Here FCM was used to explore ...

• Waves and currents decrease the available space in a salmon cage 

  Johannesen, Ása; Patursson, Øystein; Kristmundsson, Jóhannus; Pætursonur Dam, Signar; Mulelid, Mats; Pascal, Klebert (Peer reviewed; Journal article, 2022)

  Due to increasing demand for salmon and environmental barriers preventing expansion in established sites, salmon farmers seek to move or expand their production to more exposed sites. In this study we investigate the effects ...

• Can biodegradable materials reduce plastic pollution without decreasing catch efficiency in longline fishery? 

  Cerbule, Kristine; Grimaldo, Eduardo; Herrmann, Bent; Larsen, Roger B.; Brčić, Jure; Vollstad, Jørgen (Peer reviewed; Journal article, 2022)

  Longlining is a widely used fishing method. During longline fishing, some of the snoods connecting the hooks to the mainline are often lost at sea. Since snoods are made of nylon or polyester, lost snoods contribute to ...

• Risk perception and risk realities in forming legally binding agreements: The governance of plastics 

  Tiller, Rachel Gjelsvik; Booth, Andrew; Cowan, Emily Christine (Peer reviewed; Journal article, 2022)

  The effectiveness of a legally binding treaty to manage plastic pollution will depend on how people perceive the risk of the problem in terms of both whether and how much they fear it. Plastic pollution caught the attention ...

• Application of chemical herders do not increase acute crude oil toxicity to cold-water marine species 

  Hansen, Bjørn Henrik; Nordtug, Trond; Øverjordet, Ida Beathe; Altin, Dag; Farkas, Julia; Daling, Per Snorre; Sørheim, Kristin Rist; Faksness, Liv Guri (Peer reviewed; Journal article, 2022)

  Chemical herders may be used to sequester and thicken surface oil slicks to increase the time window for performing in situ burning of spilled oil on the sea surface. For herder use to be an environmentally safe oil spill ...

• Current State of Microplastic Pollution Research Data: Trends in Availability and Sources of Open Data 

  Jenkins, Tia; Persaud, Bhaleka D.; Cowger, Win; Szigeti, Kathy; Roche, Dominique G.; Clary, Erin; Slowinski, Stephanie; Lei, Benjamin; Abeynayaka, Amila; Nyadjro, Ebenezer S.; Maes, Thomas; Thornton Hampton, Leah; Bergmann, Melanie; Aherne, Julian; Mason, Sherri A.; Honek, John F.; Rezanezhad, Fereidoun; Lusher, Amy; Booth, Andy; Smith, Rodney D. L.; Van Cappellen, Philippe (Peer reviewed; Journal article, 2022)

  The rapid growth in microplastic pollution research is influencing funding priorities, environmental policy, and public perceptions of risks to water quality and environmental and human health. Ensuring that environmental ...

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