Geir Pedersen

Senior Researcher

gepe@norceresearch.no
+47 942 79 437
Nygårdsgaten 112, 5008 Bergen, Norway

Division

Energy & Technology

Research themes

CO2 emission monitoring
Acoustics

Research Groups

Autonomous systems and IoT

More information about Geir

See profile in Cristin

Projects

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Projects

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

See the project

Projects

Sailbuoy for krill

See the project

Projects

Collaborative Studies of Two Resource Ecosystems in Shelf, Slope and Oceanic Regions of the Norwegian and South-China Seas

See the project

See all

Publications

Conference lecture

Identifying size and behavior of Mueller’s Pearlside (Maurolicus muelleri) by combining measured broadband frequency responses with backscattering models and in-trawl observations
– ICES Annual Science Conference 2024
Conference lecture

Projects at IMR relying on large scale analysis of acoustic data
– CRIMAC workshop 2024
Academic article

Uncrewed surface vehicles (USVs) as platforms for fisheries and plankton acoustics
– ICES Journal of Marine Science 2024
Conference lecture

Advancing Fisheries Acoustics: The Role of CRIMAC in Expanding Applications through Innovative Technologies
– OCEANOLOGY INTERNATIONAL 2024 2024
Conference lecture

Acoustic interpretation for Calanus in real time and post processing methods
– SFI Harvest Workshop - Collaborative multiagent networks for zooplankton detection and estimation 2024
Conference lecture

Active acoustics on a glider : scientific and technological challenges
– EGO Webinar on glider collaboration at global level 2024
Academic article

Pulse duration, frequency band, and sweep direction effects on crosstalk in wideband backscattering measurements
– Journal of the Acoustical Society of America 2024
Conference lecture

Testing acoustic data quality and performance on Sounder USV
– WGFAST - ICES Working Group on Fisheries Acoustics, Science and Technology 2024
Conference lecture

Behaviour and platform dependent broadband backscattering by physostome fish (Clupea harengus L.) revisited
– WGFAST - ICES Working Group on Fisheries Acoustics, Science and Technology 2024
Conference lecture

Effects of pulse duration on nonlinear crosstalk in wideband backscattering measurements
– WGFAST - ICES Working Group on Fisheries Acoustics, Science and Technology 2024
Conference lecture

Exploring the impact of Fourier window lengthon target strength frequency response estimation in broadband echosounders
– 47th Scandinavian Symposium on Physical Acoustics 2024
Academic article

Broadband backscattering by Atlantic herring (Clupea harengus L.) differs when measured from a research vessel vs. a silent uncrewed surface vehicle
– ICES Journal of Marine Science 2024
Research report

Survey report for CRIMAC SFI 2023
– Havforskningsinstituttet 2024
Conference lecture

Broadband underwater acoustic signal processing
– HTEK301 - Selected Topics in Ocean Technology lecture (UiB) 2023
Academic article

Bioglider: an integrated glider solution for enhancing environmental knowledge
– IEEE Journal of Oceanic Engineering 2023
Research report

Havforskningsinstituttets rådgivning for menneskeskapt støy i havet - Kunnskapsgrunnlag, vurderinger og råd for 2024
– Havforskningsinstituttet 2023
Academic article

Quantitative processing of broadband data as implemented in a scientific split-beam echosounder
– Methods in Ecology and Evolution 2023
Academic article

Model-informed classification of broadband acoustic backscatter from zooplankton in an in situ mesocosm
– ICES Journal of Marine Science 2023
Research report

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

The One Ocean Expedition: Science and Sailing for the Ocean We Want
– Havforskningsinstituttet 2023
Research report

CRIMAC cruise report: Development of acoustic and optic methods for underwater target calssification - G.O. Sars 22.11 - 03.12 2022
– Havforskningsinstituttet 2023
Conference lecture

Resolving and characterizing nearby targets by means of broadband acoustics
– Scandinavian Symposium on Physical Acoustics 2023
Conference lecture

Behaviour dependent broadband backscattering by physostomous fish (Clupea harengus L.)
– Scandinavian Symposium on Physical Acoustics 2023
Conference lecture

Monitoring salmon with broad band echo sounders – investigate acoustic parameters as indicators for welfare
– Scandinavian Symposium on Physical Acoustics 2023
Academic article

Inverse method applied to autonomous broadband hydroacoustic survey detects higher densities of zooplankton in near-surface aggregations than vessel-based net survey
– Canadian Journal of Fisheries and Aquatic Sciences 2022
Academic article

Changes in humpback whale song structure and complexity reveal a rapid evolution on a feeding ground in Northern Norway
– Frontiers in Marine Science 2022
Academic article

Taxonomical classification of reef fish with broadband backscattering models and machine learning approaches
– Journal of the Acoustical Society of America 2022
Conference lecture

Study of the acoustic reflectivity of pelagic fishes in the Mediterranean Sea: from ex-situ experiments to backscattering model
– WGFAST - Working Group on Fisheries Acoustics Science and Technology 2022
Research report

CRIMAC - Annual Report 2021
– CRIMAC 2022
Conference lecture

Quantitative processing of broadband data as implemented in a scientific split-beam echosounder
– WGFAST - Working Group on Fisheries Acoustics Science and Technology 2022
Conference lecture

Monitoring salmon with broad band echo sounders – investigate acoustic parameters as indicators for welfare
– WGFAST - Working Group on Fisheries Acoustics Science and Technology 2022
Research report

Does seismic have an effect on zooplankton? - Field study at Ekofisk with RV Kristine Bonnevie
– Havforskningsinstituttet 2022
Conference lecture

Gas-baldder elongation estimation of mesopelagic organisms from wideband target strength frequency response
– WGFAST - Working Group on Fisheries Acoustics Science and Technology 2022
Research report

Risk of impact on nearby fish farms associated with establishment of underwater naval training area at Korsnes fortress
– Forsvarets forskningsinstitutt (FFI) 2022
Academic article

Temporal patterns in the soundscape of a Norwegian gateway to the Arctic
– Scientific Reports 2022
Academic article

Mid-summer vertical behavior of a high-latitude oceanic zooplankton community
– Journal of Marine Systems 2022
Conference lecture

Application of backscattering models for targetstrength measurement of T. mediterraneus and S. colias in the Mediterranean Sea
– Scandinavian Symposium on Physical Acoustics 2022
Research report

Advice from the Institute of Marine Research on anthropogenic noise in the sea
– Havforskningsinstituttet Bergen 2022
Academic article

Autonomous Surface and Underwater Vehicles as Effective Ecosystem Monitoring and Research Platforms in the Arctic—The Glider Project
– Sensors 2021
Academic article

Autonomous Surface and Underwater Vehicles as Effective Ecosystem Monitoring and Research Platforms in the Arctic - The Glider Project
– Sensors 2021
Academic article

Mesopelagic flesh shear viscosity estimation from in situ broadband backscattering measurements by a viscous-elastic model inversion
– ICES Journal of Marine Science 2021
Research report

CRIMAC - Annual Report 2020
– CRIMAC 2021
Conference lecture

CRIMAC - Center for Research-based Innovation in Marine Acoustic Abundance Estimation and Backscatter Classification
– ICES WGFAST and ICES-FAO WGFTFB 2021
Academic article

A model for the fate of carbon dioxide from a simulated carbon storage seep
– International Journal of Greenhouse Gas Control 2021
Academic article

Humpback Whale (Megaptera novaeangliae) Song on a Subarctic Feeding Ground
– Frontiers in Marine Science 2021
Research report

Fisheries acoustics and Acoustic Target Classification - Report from the COGMAR/CRIMAC workshop on machine learning methods in fisheries acoustics
– Havforskningsinstituttet 2021
Research report

CRIMAC cruise report 2020116
– Havforskningsinstituttet 2021
Academic article

In situ calibration of observatory broadband echosounders
– ICES Journal of Marine Science 2020
Academic article

Examining the relationship between morphological variation and modeled broadband scattering responses of reef-associated fishes from the Southeast United States
– Fisheries Research 2020
Academic article

Arctic Marine Data Collection Using Oceanic Gliders: Providing Ecological Context to Cetacean Vocalizations
– Frontiers in Marine Science 2020
Academic article

Long-Term Statistics of Observed Bubble Depth Versus Modeled Wave Dissipation
– Journal of Geophysical Research (JGR): Space Physics 2020
Academic article

Measurements of underwater noise radiated by commercial ships at a cabled ocean observatory
– Marine Pollution Bulletin 2020
Academic article

Acoustic characterization of an artificial CO2 seep using split-beam echo sounders
– Underwater Acoustics Conference & Exhibition (UACE) 2019
Academic article

Underwater noise from wind at the high north LoVe ocean observatory
– Underwater Acoustics Conference & Exhibition (UACE) 2019
Conference lecture

Underwater noise from wind at the high north LoVe ocean observatory
– UACE 2019 (Underwater Acoustic Conference & Exhibition) 2019
Non-fiction chapter

Integrated Monitoring Approach for Offshore Geological CO2 Storage
– 2019
Academic article

Acoustic determination of CO2 bubble rise heights during a controlled release experiment
– Journal of the Acoustical Society of America 2019
Conference lecture

Observer/AMAR G4 Passive Acoustic Monitoring System for Autonomous Maritime Observation
– 2018 IEEE/OES Autonomous Underwater Vehicle Workshop 2019
Conference lecture

Acoustic characterization of an artificial CO2 seep using split-beam echo sounders
– UACE2019 2019
Conference lecture

Autonomous surface vehicles for persistent acoustic monitoring of zooplankton in a highly productive shelf area
– OCEANS 2019 2019
Academic article

Broadband acoustic scattering from oblate hydrocarbon droplets
– Journal of the Acoustical Society of America 2019
Popular scientific article

Kart fra 1539 kan skjule en hemmelighet utenfor Lofoten
– Bladet Vesterålen 2019
Popular scientific article

Et kart fra 1539 kan skjule hemmeligheten bak de gode fiskeområdene utenfor Lofoten
– Forskning.no 2019
Conference lecture

Integrated Monitoring Approach for Offshore Geological CO2 Storage
– Offshore Technology Conference 2019 2019
Conference lecture

Simulations of acoustic transmission loss of Fin whale calls reaching the LoVe Ocean Observatory
– E. Viggen and L. Hoff (eds.), Proc. 42th Scandinavian Symposium on Physical Acoustics, Geilo, Norway, Jan. 27 - 30, 2019 2019
Academic chapter

Impact of long distance propagated seismic signals on soundscape in the Fram Strait. Use of ACOBAR data and PE modelling.
– 2016
Academic chapter

Impact of long distance propagated seismic signals on the soundscape in the Fram Strait. Use ACOBAR data and PE modeling
– 2016
Conference lecture

Impact of long distance propagated seismic signals on the soundscape in the Fram Strait. Use ACOBAR data and PE modeling
– Acoustic and environmental variability, fluctuations, and coherence 2016
Academic article

Modeling target strength of individual herring (Clupea harengus) at any aspect as a function of pressure and frequency
– Journal of the Acoustical Society of America 2016
Academic article

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 2016
Academic chapter

Fish finding with autonomous surface vehicles for the pelagic fisheries
– 2016
Academic article

Relative acoustic frequency response of induced methane, carbon dioxide and air gas bubble plumes, observed laterally.
– Journal of the Acoustical Society of America 2016
Conference lecture

Advances in the use of active acoustics for detection and conservation of cetaceans.
– Watkins Memorial Marine Mammal Bioacoustics Symposium 2015
Conference lecture

Acoustic detection and of underwater gas and oil plumes: Effective medium modelling of backscattering by bubble and droplet plumes.
– Ocean Outlook 2015
Conference lecture

Efficient BEM for acoustic scattering with application to fish
– 38th Scandinavian Symposium on Physical Acoustics 2015
Academic article

Active acoustic detection of subsea oil and gas leaks; model prediction and measurements
– Journal of the Acoustical Society of America 2014
Academic article

The effect of depth on the target of a humpback whale(Megaptera novaengliae)
– Journal of the Acoustical Society of America 2013
Academic article

Accuracy of the Kirchhoff-approximation and Kirchhoff-ray-mode fish swimbladder acoustic scattering models
– PLOS ONE 2013
Research report

Instrumentering for trenging i not. Forstudie
– CMR Instrumentation 2012
Conference lecture

A review of possible mitigation measures for reducing mortality in purse-seine fisheries
– ICES Annual Science Conference 2012
Academic article

Petroleum technology supports fisheries management
– Biophysics & Bioengeenering Letters 2011
Academic article

A revised target strength-length estimate for blue whiting (Micromesistius poutassou): implications for biomass estimates
– ICES Journal of Marine Science 2011

See all publications in Cristin

Geir Pedersen

Division

Research themes

Research Groups

More information about Geir

Projects

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

Sailbuoy for krill

Collaborative Studies of Two Resource Ecosystems in Shelf, Slope and Oceanic Regions of the Norwegian and South-China Seas

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