Browsing Bergen Open Research Archive by Author "Korneliussen, Rolf"
Now showing items 1-4 of 4
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Finite-amplitude sound propagation effects in volume backscattering measurements for fish abundance estimation
Pedersen, Audun Oppedal; Lunde, Per; Tichy, Frank; Korneliussen, Rolf (Journal article; Peer reviewed, 2022)Scientific advice for governmental management of marine resources relies on acoustical observation methods. Quantification and identification of fish and plankton species are often achieved using multi-frequency acoustic ... -
Micronekton biomass distribution, improved estimates across four north Atlantic basins
Klevjer, Thor A.; Melle, Webjørn Raunsgård; Knutsen, Tor; Strand, Espen; Korneliussen, Rolf; Dupont, Nicolas; Salvanes, Anne Gro Vea; Wiebe, Peter H. (Peer reviewed; Journal article, 2019)Distribution of micronekton was investigated during early summer of 2013, using data from a cruise covering the central parts of four north Atlantic basins, the Norwegian Sea (NS), Iceland Sea (ICS), Irminger Sea (IRS), ... -
Power budget equations and calibration factors for fish abundance estimation using scientific echo sounders and sonar systems
Lunde, Per; Korneliussen, Rolf (Peer reviewed; Journal article, 2016-07-09)Acoustic methods used in fish abundance estimation constitute a key part of the analytic assessment that makes the basis for abundance estimation of marine resources. The methods rely on power-budget equations and calibrated ... -
Structure and functioning of four North Atlantic ecosystems - A comparative study
Melle, Webjørn Raunsgård; Klevjer, Thor A.; Drinkwater, Kenneth F.; Strand, Espen; Naustvoll, Lars Johan; Wiebe, Peter H.; Aksnes, Dag Lorents; Knutsen, Tor; Sundby, Svein; Slotte, Aril; Dupont, Nicolas; Salvanes, Anne Gro Vea; Korneliussen, Rolf; Huse, Geir (Journal article; Peer reviewed, 2020)The epi- and mesopelagic ecosystems of four sub-polar ocean basins, the Labrador, Irminger, Iceland and Norwegian seas, were surveyed during two legs from Bergen, Norway, to Nuuk, Greenland, and back to Bergen. The survey ...