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Geir Pedersen

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Forsker
Telefon: 94279437
Avdeling: Økosystemakustikk

Curriculum Vitae

Key Qualifications

Physics - underwater acoustics - fisheries/bio-acoustics - technology. 

Acoustic backscatter by underwater targets (plankton, fish, gas bubbles, oil droplets), underwater sound generation and propagation, acoustic measurements and modelling. 

Methodology and autonomous platforms for marine data collection. Marine data processing and analysis.

Education

2002-2007 PhD – Physics/fisheries acoustics: Disputation date: 12.04.2007. Department of Physics and Technology, University of Bergen, Norway

1995-2001 Master of Science – Physics/hydroacoustics Department of Physics and Technology, University of Bergen, Norway 

Publications

Peer-reviewed publications (selected)

B. Khodabandeloo, M. D. Agersted, T. A. Klevjer, G. Pedersen, and W. Melle, “ Mesopelagic flesh shear viscosity estimation from in situ broadband backscattering measurements by a viscous–elastic model inversion ,” ICES J. Mar. Sci., vol. 78, no. 9, pp. 3147–3161, 2021.

S. C. Martin, A. S. Aniceto, H. Ahonen, G. Pedersen, and U. Lindstrøm, “Humpback Whale (Megaptera novaeangliae) Song on a Subarctic Feeding Ground,” Front. Mar. Sci., vol. 8, no. May, pp. 1–7, 2021.

S. Loranger, G. Pedersen, and A. E. A. Blomberg, “A model for the fate of carbon dioxide from a simulated carbon storage seep,” Int. J. Greenh. Gas Control, vol. 107, p. 103293, May 2021. https://doi.org/10.1016/j.ijggc.2021.103293

E. Ona, G. Zhang, G. Pedersen, and E. Johnsen. "In situ calibration of observatory broadband echosounders". ICES Journal of Marine Science, 2020. https://doi.org/10.1093/icesjms/fsaa177

A. S. Aniceto,  G. Pedersen,  R. Primicerio,  M. Biuw, U. Lindstrøm, and L. Camus. "Arctic marine data collection using oceanic gliders: providing ecological context to cetacean vocalizations". Front. Mar. Sci., 2020. doi: 10.3389/fmars.2020.585754' 

Boswell, K. M., Pedersen, G., Taylor, J. C., LaBua, S., Patterson, W. F. (2020). Examining the relationship between morphological variation and modeled broadband scattering responses of reef-associated fishes from the Southeast United States. Fisheries Research, Volume 228. https://doi.org/10.1016/j.fishres.2020.105590.

Zhang, G., Forland, T. N., Johnsen, E., Pedersen, G., & Dong, H. (2020). Measurements of underwater noise radiated by commercial ships at a cabled ocean observatory. Marine Pollution Bulletin, 153, 110948. https://doi.org/10.1016/j.marpolbul.2020.110948 

Strand, K. O., Breivik, Ø., Pedersen, G., Vikebø, F. B., Sundby, S., & Christensen, K. H. (2020). Long‐Term Statistics of Observed Bubble Depth Versus Modeled Wave Dissipation. Journal of Geophysical Research: Oceans, 125(2). https://doi.org/10.1029/2019JC015906 

S. Loranger, G. Pedersen, and T. Weber. “Broadband acoustic scattering from oblate hydrocarbon droplets”, Journal of the Acoustical Society of America, 146, 1176, 2019. https://doi.org/10.1121/1.5121699 (citations:0).

R. Kubilius and G. Pedersen. “Relative acoustic frequency response of induced methane, carbon dioxide and air gas bubble plumes, observed laterally”. Journal of the Acoustical Society of America, 140, 2902 (2016); doi: 10.1121/1.4964250. (citations: 1)

M. Bernasconi, R. Patel, L. Nøttestad, G. Pedersen, and A. S. Brierly. “The effect of depth on the target strength of a humpback whale (Megaptera novaeangliae)”. Journal of the Acoustical Society of America 134, 4316- 4322, 2013. (citations: 5)

G. J. Macaulay, H. Peña, S. M. M. Fässler, G. Pedersen, E. Ona. “Accuracy of the Kirchhoff-approximation and Kirchhoff-ray-mode Fish Swimbladder Acoustic Scattering Models”. PLoS ONE 8(5): e64055. doi:10.1371/journal.pone.0064055, 2013. (citations: 11)

G. Pedersen. O. R. Godø, E. Ona, and G. Macauley. ”A revised target strength–length estimate for blue whiting (Micromesistius poutassou): implications for biomass estimates”. ICES Journal of Marine Science, 68: 2222-2228, 2011. (citations: 12)

G. Pedersen, and R. Korneliussen. “The relative frequency response derived from individually separated targets of northeast Arctic cod (Gadus morhua), saithe (Pollachius virens), and Norway pout (Trisopterus esmarkii)”. ICES Journal of Marine Science, 66: 1149-1154, 2009. (citations: 16)

N. O. Handegard, G. Pedersen, and O. Brix. “Estimating tail-beat frequency using split-beam echosounders”. ICES Journal of Marine Science, 66: 1252-1258, 2009. (citations: 22)

G. Pedersen, N. O. Handegard, and E. Ona. “Lateral-aspect target strength measurements of in situ herring (Clupea harengus)”. ICES Journal of Marine Science, 66: 1191-1196, 2009. (citations: 19)

R. Patel, G. Pedersen, and E. Ona. “Inferring the acoustic dead-zone volume by split-beam echo sounder with narrow-beam transducer on a noninertial platform” Journal of the Acoustical Society of America, 125: 698-705, 2009. (citations: 9)

E. Ona, O. R. Godø, H. Handegard, V. Hjellvik, R. Patel, and G. Pedersen. ”Silent research vessels are not quiet”. Journal of the Acoustical Society of America, 121: 145-150, 2007. (citations: 61)

Conference papers with editor review (selected)

G. Pedersen, E. Storheim, L. S. Doksæter, O. R. Godø, and L. A. Ødegaard, “Concurrent passive and active acoustic observations of high-latitude shallow foraging sperm whales and mesopelagic prey layer,” in Citation: Proc. Mtgs. Acoust, 2017, vol. 30, no. 1, p. 010004. https://doi.org/10.1121/2.0001365

Pedersen, G., Falk-Petersen, S., Dunlop, K., Camus, L., Daase, M., Basedow, S. L., Bandara, K., et al. (2019). “Autonomous surface vehicles for persistent acoustic monitoring of zooplankton in a highly productive shelf area,” IEEE Ocean. Symp., Marseille, pp. 1-7.

Camus, L., Pedersen, G., Falk-Petersen, S., Dunlop, K., Daase, M., Aune, M., and Tassara, L. (2019). “Autonomous surface and underwater vehicles reveal new discoveries in the Arctic Ocean,” IEEE Ocean. Symp., Marseille.

Langeland, T., Cooke, J., Fonnes, G., Lampe, O. D., Pedersen, G., Kristiansen, T., Jaccard, P., et al. (2019) « A Data Management Platform for Data Harvesting and Analysis from Autonomous Marine Measurement Platforms”. OCEANS 2019 - Marseille, Marseille, France, 2019, pp. 1-5.

Ødegard, L. A., Pedersen, G., Johnsen, E. “Underwater noise from wind at the High North LoVe Ocean Observatory”. The 5th international conference and exhibition on Underwater Acoustics, Hersonissos, Crete, June 30 to July 5, 2019.

Loranger, S., Blomberg, A. E. A., Pedersen, G., Waarum, I-K., Austeng, A. «Broadband and multibeam observations of subsea releases of CO2”. The 5th international conference and exhibition on Underwater Acoustics, Hersonissos, Crete, June 30 to July 5, 2019.

Moloney, J, Cole, A., Hillis, C., Kowarski, K., MacDonald, B., Pedersen, G., Tassera, L., and Camus, L. “Observer/AMAR G4 Passive Acoustic Monitoring System for Autonomous Maritime Observation”. 2018 IEEE/OES Autonomous Underwater Vehicle Workshop (AUV), Porto, Portugal, 2018, pp. 1-9. doi: 10.1109/AUV.2018.8729796.

Øygard, S. H., Pedersen, G., and Lunde P. “Simulations of acoustic transmission loss of Fin whale calls reaching the LoVe Ocean Observatory”. 42 Scandinavian Symposium on Physical Acoustics, February 1-4, Geilo, Norway, 6pp., 2019 (in press).

Storheim, E., Yamakawa, A., Sagen, H., Pedersen, G. 2016. «Impact of long distance propagated seismic signals on the soundscape in the Fram Strait. Use of ACOBAR data and PE modelling.”  Acoustic & Environmental Variability, Fluctuations and Coherence, Institute of Acoustics, 12-13 December 2016 – The Möller Centre, Cambridge University, Cambridge CB3 0DE.

Hauge, R., Pedersen, G., Kolltveit, E. “Fish finding with autonomous surface vehicles for the pelagic fisheries”. IEEE Oceans’16, Monterey, California, USA, 19-23 September.

Thomas, P.J., Pedersen, G. , Hide, A., Apostolidis, A. , Huber, C., Hovdenes, J., Tengberg, A., Hall, P. O. J., Atamanchuk, D. Putnam, R., Putnam. J. “Optical gas monitoring in sea water: Robust reliable and highly flexible, OCEANS - Bergen, 2013 MTS/IEEE , vol., no., pp.1,6, 10-14 June 2013.

International conference contributions (selected)

Pedersen, G., Johnsen, E., Ødegaard, L. A., Zhang, G., Grimsbø, E., Macaulay, G., … Hermansen, A. (2019). The Lofoten-Vesterålen Ocean Observatory—A cabled infrastructure for operational acoustical oceanography. The Journal of the Acoustical Society of America, 146(4), 2773–2773. https://doi.org/10.1121/1.5136604

Blomberg, A. E., Loranger, S., Pedersen, G., Waarum, I. K., Eek, E., & Totland, C. (2019). Acoustic determination of CO 2 bubble rise heights during a controlled release experiment. The Journal of the Acoustical Society of America, 146(4), 2773–2773. https://doi.org/10.1121/1.5136606

Pedersen, G., Storheim, E., Sivle, L., Godø, O. R., Ødegaard, L. A. “Concurrent passive and active acoustic observations of high-latitude shallow foraging sperm whales (Physeter macrocephalus) and mesopelagic prey layer”. The Journal of the Acoustical Society of America 141, 3941 (2017); http://doi.org/10.1121/1.4988929.

Pedersen, G. 2016. “Simulation of acoustic backscattering from bubbles and droplets under different shape regimes with implications for underwater detection of leakages using active acoustic sensors”. Journal of the Acoustical Society of America, 140: 3364–3364. Acoustical Society of America, ASA.

Pedersen, G., Peddie, D., Eliassen, I. K., Heggelund, Y., Lied, G. Ø., Korneliussen, R. J. “Sailbuoy Unmanned Surface Vehicle as an active acoustic measurement platform for biomass detection and monitoring; sensor integration, tests, and demonstration mission”. ICES Symposium – Marine Ecosystem Acoustics – Observing the Ocean Interior in Support of Integrated Management, May 25-28, Nantes, France, 2015.

Boswell, K., Pedersen, G., and Taylor, C. “Examining the wide band frequency responses of common reef fishes- comparisons between models and measures”. ICES Symposium – Marine Ecosystem Acoustics – Observing the Ocean Interior in Support of Integrated Management, May 25-28, Nantes, France, 2015.

Kubelius, R., Ona, E., Pedersen, G., and Torkelsen, T. “Lateral aspect acoustic frequency response of adult saithe (Pollachius virens)”. ICES Symposium – Marine Ecosystem Acoustics – Observing the Ocean Interior in Support of Integrated Management, May 25-28, Nantes, France, 2015.

Bernasconi, M., Pedersen, G., Patel, R., Nøttestad, L., and Brierly, A. S. “Advances in the use of active acoustics for detection and conservation of cetaceans”. Watkins Memorial Marine Mammal Bioacoustics Symposium, March 27 – 29, New Bedford Whaling Museum, 2015.

Pedersen, G., Kubelius, R., and Hauge, R. “Acoustic detection and of underwater gas and oil plumes: Effective medium modelling of backscattering by bubble and droplet plumes”. Ocean Outlook, February 19-20, Bergen, Norway, 2015.

Pedersen, G. “Efficient BEM for acoustic scattering with application to fish”. 38th Scandinavian Symposium on Physical Acoustics, February 1-4, Geilo, Norway, 2015.

G. Pedersen, R. Hauge, R. Kubilius, and T. Torkelsen. ”Active Acoustic Detection of Subsea Oil and Gas Leaks; Model Prediction and Measurements”. Journal of the Acoustical Society of America, 135: 2303, 2014.

G. Pedersen, G. J. Macauley, and H. Peña. “Use of efficient boundary integral equation solvers for fish target strength calculation”, ICES Working Group on Fisheries Acoustics, Science and Technology, 2014.

E. Ona and G. Pedersen. “Modelling of sandeel (Ammodytes marinus) target strength”. Underwater Acoustic Measurements: Technologies & Results, 3rd International Conference & Exhibition, Nafplion, Greece 21-26 June, 2009.

Dissertations

G. Pedersen. “Methodology for in situ target strength measurements”. Ph.D. thesis, Department of Physics and Technology, University of Bergen, Bergen, Norway. April 2007

G. Pedersen. “Akustisk strømning”. Cand.scient. thesis, Department of Physics and Technology, University of Bergen, Bergen, Norway. June 2001.

Publikasjoner

Vitenskapelige artikler (NVI)

2023

Bioglider: an integrated glider solution for enhancing environmental knowledge

Yves Poncon, Laurent Mortier, Marc Picheral, Peer Fitzek, Dan Hayes, Ehsan Abdi, Jakub Zdroik, Agnieszka Beszczynska-Möller, Jerome Coindat, Muriel Barbara Dunn, Virginie Ramasco, Morten Thorstensen, Lionel Camus, Pierre Priou, Sünnje Linnéa Basedow, Geir Pedersen, Tarak Arbi, Benoit Geller
IEEE Journal of Oceanic Engineering OCEANS2023GulfCoast
2023

Model-informed classification of broadband acoustic backscatter from zooplankton in an in situ mesocosm

Muriel Dunn, Chelsey McGowan-Yallop, Geir Pedersen, Stig Falk-Petersen, Malin Daase, Kim Last, Tom J. Langbehn, Sophie Fielding, Andrew S. Brierley, Finlo Cottier, Sünnje L. Basedow, Lionel Camus, Maxime Geoffroy
ICES Journal of Marine Science
2023

Model-informed classification of broadband acoustic backscatter from zooplankton in an in situ mesocosm

Muriel Dunn, Chelsey McGowan-Yallop, Geir Pedersen, Stig Falk-Petersen, Malin Hildegard Elisabeth Daase, Kim Last, Tom Langbehn, Sophie Fielding, Andrew S. Brierley, Finlo Robert Cottier, Sünnje Linnéa Basedow, Lionel Camus, Maxime Geoffroy
ICES Journal of Marine Science
2023

Quantitative processing of broadband data as implemented in a scientific split-beam echosounder

Lars Nonboe Andersen, Dezhang Chu, Nils Olav Handegard, Harald Heimvoll, Rolf Korneliussen, Gavin Macaulay, Egil Ona, Ruben Patel, Geir Pedersen
Methods in Ecology and Evolution
2023

Model-informed classification of broadband acoustic backscatter from zooplankton in an in situ mesocosm

Muriel Barbara Dunn, Chelsey McGowan-Yallop, Geir Pedersen, Stig Falk-Petersen, Malin Hildegard Elisabeth Daase, Kim Last, Tom Langbehn, Sophie Fielding, Andrew S. Brierley, Finlo Robert Cottier, Sünnje Linnéa Basedow, Lionel Camus, Maxime Geoffroy
ICES Journal of Marine Science
2022

Mid-summer vertical behavior of a high-latitude oceanic zooplankton community

Kanchana Bandara, Sünnje Linnéa Basedow, Geir Pedersen, Vigdis Tverberg
Journal of Marine Systems 230
2022

Temporal patterns in the soundscape of a Norwegian gateway to the Arctic

Ana Sofia Aniceto, Elizabeth L. Ferguson, Geir Pedersen, Arnaud Tarroux, Raul Primicerio
Scientific Reports 12
2022

Taxonomical classification of reef fish with broadband backscattering models and machine learning approaches

Camilo Roa, Geir Pedersen, Michael Bollinger, Christopher Taylor, Kevin M. Boswell
Journal of the Acoustical Society of America 152 p. 1020-1034
2022

Changes in humpback whale song structure and complexity reveal a rapid evolution on a feeding ground in Northern Norway

Saskia C. Martin, Ana Sofia Aniceto, Heidi Ahonen, Geir Pedersen, Ulf Ove Lindstrøm
Frontiers in Marine Science 9
2022

Inverse method applied to autonomous broadband hydroacoustic survey detects higher densities of zooplankton in near-surface aggregations than vessel-based net survey

Muriel Barbara Dunn, Geir Pedersen, Sünnje Linnéa Basedow, Malin Daase, Stig Falk-Petersen, Loic Bachelot, Lionel Camus, Maxime Geoffroy
Canadian Journal of Fisheries and Aquatic Sciences 80 p. 451-467
2021

A model for the fate of carbon dioxide from a simulated carbon storage seep

Scott Loranger, Geir Pedersen, Ann Elisabeth Albright Blomberg
International Journal of Greenhouse Gas Control 107 p. 1-8
2021

Autonomous Surface and Underwater Vehicles as Effective Ecosystem Monitoring and Research Platforms in the Arctic - The Glider Project

Lionel Camus, Hector Antonio Andrade Rodriguez, Ana Sofia Aniceto, Magnus Aune, Kanchana Bandara, Sünnje Linnéa Basedow, Kai Håkon Christensen, Jeremy Cook, Malin Daase, Katherine Mary Dunlop, Stig Falk-Petersen, Peter Fietzek, Gro Fonnes, Peygham Ghaffari, Geir Gramvik, Inger Graves, Daniel Hayes, Tor Langeland, Harald Lura, Trond Kristiansen, Ole Anders Nøst, David Peddie, Joel Pederick, Geir Pedersen, Ann Kristin Sperrevik, Kai Sørensen, Luca Tassara, Sigurd Tjøstheim, Vigdis Tverberg, Salve Dahle
Sensors 21 p. 6752
2021

Mesopelagic flesh shear viscosity estimation from in situ broadband backscattering measurements by a viscous-elastic model inversion

Babak Khodabandeloo, Mette Dalgaard Agersted, Thor A. Klevjer, Geir Pedersen, Webjørn Raunsgård Melle
ICES Journal of Marine Science 78 p. 3147-3161
2021

Humpback Whale (Megaptera novaeangliae) Song on a Subarctic Feeding Ground

Saskia C. Martin, Ana Sofia Aniceto, Heidi Ahonen, Geir Pedersen, Ulf Lindstrøm
Frontiers in Marine Science 8 p. 1-7
2021

A model for the fate of carbon dioxide from a simulated carbon storage seep

Scott Loranger, Geir Pedersen, Ann E.A. Blomberg
International Journal of Greenhouse Gas Control 107 p. 1-8
2021

A model for the fate of carbon dioxide from a simulated carbon storage seep

Loranger, S., Pedersen, G., Blomberg, A. E. A
Int. J. Greenh. Gas Control 7 p. 8
2020

In situ calibration of observatory broadband echosounders

Egil Ona, Guosong Zhang, Geir Pedersen, Espen Johnsen
ICES Journal of Marine Science 77 p. 2954-2959
2020

Examining the relationship between morphological variation and modeled broadband scattering responses of reef-associated fishes from the Southeast United States

Kevin Boswell, Geir Pedersen, J. Cristtopher Taylor, Savannah LaBua, William Patterson
Fisheries Research 228:105590 p. 1-12
2020

Measurements of underwater noise radiated by commercial ships at a cabled ocean observatory

Guosong Zhang, Tonje Nesse Forland, Espen Johnsen, Geir Pedersen, Hefeng Dong
Marine Pollution Bulletin 153
2020

Long-Term Statistics of Observed Bubble Depth Versus Modeled Wave Dissipation

Kjersti Opstad Strand, Øyvind Breivik, Geir Pedersen, Frode Bendiksen Vikebø, Svein Sundby, Kai Håkon Christensen
Journal of Geophysical Research (JGR): Space Physics 125
2020

Arctic Marine Data Collection Using Oceanic Gliders: Providing Ecological Context to Cetacean Vocalizations

Ana Sofia Aniceto, Geir Pedersen, Raul Primicerio, Martin Biuw, Ulf Lindstrøm, Lionel Camus
Frontiers in Marine Science 7
2020

Long term acoustic time series of the Lofoten–Vesterålen ocean observatory

Geir Pedersen, Guosong Zhang, Ana Sofia Aniceto, Espen Johnsen
Journal of the Acoustical Society of America 148
2019

Broadband acoustic scattering from oblate hydrocarbon droplets

Scott Loranger, Geir Pedersen, Thomas C. Weber
Journal of the Acoustical Society of America 146 p. 1176-1188
2019

Acoustic determination of CO2 bubble rise heights during a controlled release experiment

Ann Elisabeth Albright Blomberg, Scott Loranger, Geir Pedersen, Ivar-kristian Waarum, Espen Eek, Christian Totland
Journal of the Acoustical Society of America 146
2019

Underwater noise from wind at the high north LoVe ocean observatory

Lars Alf Ødegaard, Geir Pedersen, Espen Johnsen
p. 359-366
2019

Acoustic characterization of an artificial CO2 seep using split-beam echo sounders

Scott Loranger, Ann Elisabeth Albright Blomberg, Geir Pedersen, Ivar-Kristian Waarum, Andreas Austeng
5 p. 115-122
2016

Relative acoustic frequency response of induced methane, carbon dioxide and air gas bubble plumes, observed laterally.

Rokas Kubilius, Geir Pedersen
Journal of the Acoustical Society of America 140 p. 2902-2912
2016

Simulation of acoustic backscattering from bubbles and droplets under different shape regimes with implications for underwater detection of leakages using active acoustic sensors.

Pedersen, Geir
Journal of the Acoustical Society of America 140
2016

Modeling target strength of individual herring (Clupea harengus) at any aspect as a function of pressure and frequency

Geir Pedersen, Gavin Macaulay, Hector Pena, Sacha M.M. Fassler
Journal of the Acoustical Society of America 140
2014

Active acoustic detection of subsea oil and gas leaks; model prediction and measurements

Geir Pedersen, Rokas Kubilius, Rune Hauge
Journal of the Acoustical Society of America 135
2013

Accuracy of the Kirchhoff-approximation and Kirchhoff-ray-mode fish swimbladder acoustic scattering models

Gavin Macaulay, Hector Pena, Sacha M.M. Fässler, Geir Pedersen, Egil Ona
PLOS ONE 8
2013

The effect of depth on the target of a humpback whale(Megaptera novaengliae)

Geir Pedersen, Matteo Bernasconi, Ruben Patel, Leif Nøttestad, A.S. Brierly
Journal of the Acoustical Society of America
2011

A revised target strength-length estimate for blue whiting (Micromesistius poutassou): implications for biomass estimates

Geir Pedersen, Olav Rune Godø, Egil Ona, Gavin John Macaulay
ICES Journal of Marine Science 68 p. 2222-2228
2011

Petroleum technology supports fisheries management

Ole Brix, Audun Pedersen, Geir Pedersen, Jarle Spilde, Gaute Øverås Lied, Eivind Olav Dahl
4
2009

Waves Generated by a Pressure Disturbance Moving in a Channel with a Variable Cross-Sectional Topography

Tomas Torsvik, Geir Kleivstul Pedersen, Geir Pedersen, Kristian Dysthe
Journal of waterway, port, coastal, and ocean engineering 135 p. 120-123
2009

Inferring the acoustic dead-zone volume by split-beam echo sounder with narrow-beam transducer on a noninertial platform

Ruben Patel, Geir Pedersen, Egil Ona
Journal of the Acoustical Society of America 125 p. 698-705
2009

Lateral-aspect, target-strength measurements of in situ herring (Clupea harengus)

Geir Pedersen, Nils Olav Handegard, Egil Ona
ICES Journal of Marine Science 66 p. 1191-1196
2009

The relative frequency response derived from individually separated targets of northeast Arctic cod (Gadus morhua), saithe (Pollachius virens), and Norway pout (Trisopterus esmarkii)

Geir Pedersen, Rolf Korneliussen
ICES Journal of Marine Science 66 p. 1149-1154

Annet tidsskriftbidrag

2020

Long term acoustic time series of the Lofoten–Vesterålen ocean observatory

Geir Pedersen, Guosong Zhang, Ana Sofia Aniceto, Espen Johnsen
Journal of the Acoustical Society of America 148
2019

The Lofoten-Vesterålen Ocean Observatory—A cabled infrastructure for operational acoustical oceanography

Geir Pedersen, Espen Johnsen, Lars Alf Ødegaard, Guosong Zhang, Endre Grimsbø, Gavin Macaulay, Tor Arne Reinen, Anders Hermansen
Journal of the Acoustical Society of America 146

Faglige foredrag

2023

Model-informed classification of broadband acoustic backscattering from zooplankton in an in situ mesocosm

Muriel Barbara Dunn, Chelsey McGowan-Yallop, Geir Pedersen, Stig Falk-Petersen, Malin Hildegard Elisabeth Daase, Kim Last, Tom Langbehn, Sophie Fielding, Andrew S. Brierley, Finlo Robert Cottier, Sünnje Linnéa Basedow, Lionel Camus, Maxime Geoffroy
2023

Investigation of broadband acoustic to resolve and identify nearby targets using different pulse durations

Geir Pedersen, Tonje Nesse Forland, Rolf Korneliussen, Nils Olav Handegard
2023

Investigation of broadband acoustic to resolve and identify nearby targets using different pulse durations

Geir Pedersen, Tonje Nesse Forland, Rolf Korneliussen, Nils Olav Handegard
2023

Investigation of broadband acoustic to resolve and identify nearby targets using different pulse durations

Babak Khodabandeloo, Geir Pedersen, Tonje Nesse Forland, Rolf Korneliussen, Nils Olav Handegard
2023

Monitoring salmon with broad band echo sounders – investigate acoustic parameters as indicators for welfare

Tonje Nesse Forland, Maren F. Rong, Frode Oppedal, Rune Øyerhamn, Geir Pedersen
2023

Behaviour dependent broadband backscattering by physostomous fish (Clupea harengus L.)

Geir Pedersen, Nils Olav Handegard, Espen Johnsen
2023

Resolving and characterizing nearby targets by means of broadband acoustics

Babak Khodabandeloo, Geir Pedersen, Tonje Nesse Forland, Rolf Korneliussen, Nils Olav Handegard
2023

Resolving and characterizing nearby targets by means of broadband acoustics

Babak Khodabandeloo, Geir Pedersen, Tonje Nesse Forland, Rolf Korneliussen, Nils Olav Handegard
2022

Using an autonomous surface vehicle and hydroacoustics to survey epipelagic organisms at high-latitudes

Muriel Barbara Dunn, Geir Pedersen, Sünnje Linnéa Basedow, Malin Hildegard Elisabeth Daase, Stig Falk-Petersen, Loic Bachelot, Lionel Camus, Maxime Geoffroy
2022

Comparison of sampling strategies for epipelagic sound scattering layers at high latitudes

Muriel Barbara Dunn, Geir Pedersen, Sünnje Linnéa Basedow, Malin Hildegard Elisabeth Daase, Stig Falk-Petersen, Loic Bachelot, Lionel Camus, Maxime Geoffroy
2022

Application of backscattering models for targetstrength measurement of T. mediterraneus and S. colias in the Mediterranean Sea

Antonio Palermino, Geir Pedersen, Rolf Korneliussen, Andrea De Felice, Lole Leonori
2022

Gas-baldder elongation estimation of mesopelagic organisms from wideband target strength frequency response

Babak Khodabandeloo, Egil Ona, Geir Pedersen, Rolf Korneliussen, Webjørn Raunsgård Melle, Thor A. Klevjer
2022

Monitoring salmon with broad band echo sounders – investigate acoustic parameters as indicators for welfare

Maren F. Rong, Frode Oppedal, Geir Pedersen, Nils Olav Handegard, Tonje Nesse Forland
2022

Quantitative processing of broadband data as implemented in a scientific split-beam echosounder

Lars N Andersen, Dezhang Chu, Nils Olav Handegard, Harald Heimvoll, Rolf Korneliussen, Gavin Macaulay, Egil Ona, Ruben Patel, Geir Pedersen
2022

Study of the acoustic reflectivity of pelagic fishes in the Mediterranean Sea: from ex-situ experiments to backscattering model

Antonio Palermino, Andrea De Felice, Geir Pedersen, Giovanni Canduci, Ilaria Biagotti, Ilaria Costantini, Michele Centurelli, Rolf Korneliussen, Iole Leonori
2021

CRIMAC - Center for Research-based Innovation in Marine Acoustic Abundance Estimation and Backscatter Classification

Nils Olav Handegard, Tonje Nesse Forland, Espen Johnsen, Geir Pedersen, Maria Tenningen, Egil Ona
2019

Simulations of acoustic transmission loss of Fin whale calls reaching the LoVe Ocean Observatory

Sigrid Husebø Øygard, Geir Pedersen, Per Lunde
2019

Integrated Monitoring Approach for Offshore Geological CO2 Storage

Joonsang Park, Ann Elisabeth Albright Blomberg, Ivar-Kristian Waarum, Christian Totland, Evgeniy Yakushev, Geir Pedersen, Luke Griffiths, Espen Eek, Lars Grande, Axel Walta, Bahman Bohloli, Magnus Soldal
2019

A Data Management Platform for Data Harvesting and Analysis from Autonomous Marine Measurement Platforms

Tor Langeland, Jeremy Cook, Sigurd Tjøstheim, Trond Kristiansen, Gro Fonnes, Ove Daae Lampe, Geir Pedersen, Lionel Camus
2019

Autonomous surface vehicles for persistent acoustic monitoring of zooplankton in a highly productive shelf area

Geir Pedersen, Stig Falk-Petersen, Katherine Mary Dunlop, Lionel Camus, Malin Daase, Sünnje Linnéa Basedow, Kanchana Bandara W. M. Dumindu, Vigdis Tverberg, Joel Pederick, David Peddie
2019

Acoustic characterization of an artificial CO2 seep using split-beam echo sounders

Scott Loranger, Ann Elisabeth Albright Blomberg, Geir Pedersen, Ivar-Kristian Waarum, Andreas Austeng
2019

Observer/AMAR G4 Passive Acoustic Monitoring System for Autonomous Maritime Observation

John Moloney, Art Cole, Craig Hillis, Katie Kowarski, Blair MacDonald, Geir Pedersen, Luca Tassara, Lionel Camus
2019

Underwater noise from wind at the high north LoVe ocean observatory

Lars Alf Ødegaard, Geir Pedersen, Espen Johnsen
2016

Impact of long distance propagated seismic signals on the soundscape in the Fram Strait. Use ACOBAR data and PE modeling

Espen Storheim, Asuka Yamakawa, Hanne Sagen, Geir Pedersen
2015

Efficient BEM for acoustic scattering with application to fish

Pedersen, Geir
2015

Acoustic detection and of underwater gas and oil plumes: Effective medium modelling of backscattering by bubble and droplet plumes.

Pedersen, Geir
2015

Advances in the use of active acoustics for detection and conservation of cetaceans.

Pedersen, Geir
2015

Modelling (mean) target strength of individual herring (Clupea harengus) at any aspect as a function of pressure

Geir Pedersen, Hector Pena, Sacha M.M. Fässler, Gavin Macaulay, Egil Ona
2012

A review of possible mitigation measures for reducing mortality in purse-seine fisheries

Mike Breen, Bjørnar Isaksen, Egil Ona, Audun Oppedal Pedersen, Geir Pedersen, Jostein Saltskår, B svardal, Maria Mikaela Tenningen, P. J. Thomas, Bjørn Totland, Jan Tore Øvredal, Aud Vold
2012

A review of possible mitigation measures for reducing mortality in purse-seine fisheries

Mike Breen, Bjørnar Isaksen, Egil Ona, A.O. Pedersen, Geir Pedersen, Jostein Saltskår, B svardal, Maria Mikaela Tenningen, P. J. Thomas, Bjørn Totland, Jan Tore Øvredal, Aud Vold

Poster

2023

Target spectra discrimination of three Arctic species

Muriel Barbara Dunn, Geir Pedersen, Stig Falk-Petersen, Malin Hildegard Elisabeth Daase, Jørgen Berge, Emily Joanne Venables, Jenny Jensen, Sünnje Linnéa Basedow, Lionel Camus, Maxime Geoffroy
2023

Centre for research based innovation in marine acoustic abundance estimation and backscatter classification (CRIMAC)

Nils Olav Handegard, Tonny Algrøy, Inge Kristian Eliassen, Tonje Nesse Forland, Espen Johnsen, Audun Oppedal Pedersen, Geir Pedersen, Maria Tenningen, Ingrid Utseth
2020

Autonomous surface vehicles for (near real-time) monitoring of marine resources in the Antarctic

Rune Øyerhamn, Geir Pedersen
2019

Autonomous monitoring of krill in the Antarctic

Rune Øyerhamn, Geir Pedersen

Rapporter og avhandlinger

2023

Havforskningsinstituttets rådgivning for menneskeskapt støy i havet - Kunnskapsgrunnlag, vurderinger og råd for 2024

Tonje Nesse Forland, Lise Doksæter Sivle, Karen de Jong, Geir Pedersen, Marte Louise Strømme, Tina Kutti, Caroline Durif, Kate McQueen, Endre Grimsbø, Henning Wehde
Rapport fra havforskningen
2023

The One Ocean Expedition: Science and Sailing for the Ocean We Want

Geir Huse, Thierry Baussant, Meike Becker, Martin Biuw, Gunhild Bødtker, Jeremy Cook, Alessio Gomiero, Bjørn Einar Grøsvik, Nils Olav Handegard, Arne Johan Hestnes, Lars Robert Hole, Berengere Husson, Pierre Franqois Jaccard, Johnny Andre Johannessen, Adriana Krolicka, Vidar Surén Lien, Christian Lindemann, Are Olsen, Angelika Renner, Sjur Ringheim Lid, Hans Christian Steen-Larsen, Espen Strand, Jon-Ivar Westgaard, Geir Pedersen
Rapport fra havforskningen
2023

Cruise report Hywind Tampen 13 to 28 March 2023 - Cruise no. 2023001004 G.O. Sars

Anne Christine Utne-Palm, Henrik Søiland, Anne Sveistrup, Angelika Renner, Rebecca Ross, Frithjof Emil Moy, Mosttafa Bakhoday Paskyabi, Atle Totland, Sigurd Hannaas, Karen de Jong, Genoveva Gonzalez-Mirelis, Terje Hovland, Geir Pedersen, Jan Frode Wilhelmsen, Markus Majaneva, Sverre Waardal Heum, William Skjold, Stig Vågenes, Georg Skaret, Finn Corus, Andrey Voronkov, Leonard Kielland
Toktrapport
2023

CRIMAC cruise report: Development of acoustic and optic methods for underwater target calssification - G.O. Sars 22.11 - 03.12 2022

Nils Olav Handegard, Maria Tenningen, Leif Bildøy, Jon Even Corneliussen, Kameran Esmail, Jens Heinsdorf, Babak Khodabandeloo, Rolf Korneliussen, Rokas Kubilius, Liz Beate Kolstad Kvalvik, Eirik Svoren Osborg, Ahmed Pala, Geir Pedersen, Shale Rosen, Jostein Saltskår, Erik Schuster, Ingrid Ulset, Eugenie Heliana Taraneh Westergerling
2022

The application of CW and FM sonar technology to detect a decrease in air in the swim bladder of Atlantic salmon, measurements and modeling. Master thesis

Maren F. Rong, Per Lunde, Tonje Nesse Forland, Frode Oppedal, Geir Pedersen
2022

Simulation-based methods of sphere selection for calibration of broadband echosounders in fisheries acoustics. Master thesis

Miranda Ruth Veim, Per Lunde, Tonje Nesse Forland, Geir Pedersen
2022

Havforskningsinsituttets rådgivning for menneskeskapt støy i havet - Kunnskapsgrunnlag, vurderinger og råd for 2022

Lise Doksæter Sivle, Tonje Nesse Forland, Karen de Jong, Geir Pedersen, Guosong Zhang, Tina Kutti, Kate McQueen, Henning Wehde, Endre Grimsbø
2022

Risiko for skade på laksefisk i omkringliggende oppdrettsanlegg ved etablering av undervanns- skytefelt på Korsnes Fort. FFI-RAPPORT 22/00814

Petter Helgevold Kvadsheim, André Adelsten Søvik, Eirik Rokke, Marianne Lanzky Kolstrup, Tonje Nesse Forland, Geir Pedersen, Endre Grimsbø, Ole Bendik Dale, Yanran Cao, Anne Stene, Morten Smedsrud
2022

Does seismic have an effect on zooplankton? - Field study at Ekofisk with RV Kristine Bonnevie

Anne Christine Utne-Palm, Karen de Jong, Geir Pedersen, Thor A. Klevjer, Josefin Titelman, Espen Strand, Emilie Hernes Vereide, Saskia Kühn, Sigurd Hannaas, Atle Totland, Håvard Johnsen Buschmann, Marina Mihaljevic, Rune Strømme, Reidar Johannesen
2022

CRIMAC - Annual Report 2021

Nils Olav Handegard, Geir Pedersen, Tonje Nesse Forland, Maria Tenningen, Espen Johnsen
2022

The application of CW and FM sonar technology to detect a decrease in air in the swim bladder of Atlantic salmon, measurements and modeling

Maren F. Rong, Per Lunde, Tonje Nesse Forland, Frode Oppedal, Geir Pedersen
2022

Simulation-based methods of sphere selection for calibration of broadband echosounders in fisheries acoustics

Miranda Ruth Veim, Per Lunde, Tonje Nesse Forland, Geir Pedersen
2021

CRIMAC - Annual Report 2020

Egil Ona, Nils Olav Handegard, Geir Pedersen, Tonje Nesse Forland, Maria Tenningen, Espen Johnsen
2021

Fisheries acoustics and Acoustic Target Classification - Report from the COGMAR/CRIMAC workshop on machine learning methods in fisheries acoustics

Nils Olav Handegard, Lars Nonboe Andersen, Olav Brautaset, Changkyu Choi, Inge Kristian Eliassen, Yngve Heggelund, Arne Johan Hestnes, Ketil Malde, Håkon Osland, Alba Ordonez, Ruben Patel, Geir Pedersen, Ibrahim Umar, Tom Van Engeland, Sindre Vatnehol
2021

CRIMAC cruise report 2020116

Egil Ona, Nils Olav Handegard, Espen Johnsen, Rokas Kubilius, Rolf Korneliussen, Geir Pedersen, Atle Totland, Shale Rosen, Melanie Underwood, Lars N Andersen, Ivar Wangen, Eirik Svoren Osborg
2018

Simulations of acoustic transmission loss of Fin whale calls reaching the LoVe Ocean Observatory. Master thesis

Sigrid Husebø Øygard, Per Lunde, Geir Pedersen
2018

Simulations of acoustic transmission loss of Fin whale calls reaching the LoVe Ocean Observatory

Sigrid Husebø Øygard, Per Lunde, Geir Pedersen
2012

Instrumentering for trenging i not. Forstudie

B. Svardal, Geir Pedersen, P.J. Thomas, Audun Oppedal Pedersen, Bjørn Totland, Jan Tore Øvredal, Maria Mikaela Tenningen, Aud Vold, Bjørnar Isaksen, Jostein Saltskår
2012

Instrumentering for trenging i not. Forstudie

B. Svardal, Geir Pedersen, P.J. Thomas, Audun Pedersen, Bjørn Totland, Jan Tore Øvredal, Maria Mikaela Tenningen, Aud Vold, Bjørnar Isaksen, Jostein Saltskår
2007

Methodology for in situ target strength measurement of fish

Geir Pedersen, Egil Ona, Halvor Hobæk
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