2025

• Palerme, Cyril; Röhrs, Johannes; Lavergne, Thomas; Rusin, Jozef; Kvanum, Are Frode; Sørensen, John Atle Macdonald; Melsom, Arne; Brajard, Julien; Idzanovic, Martina; Durán Moro, Marina. (2025) MET-AICE v1.0: an operational data-driven sea ice prediction system for the European Arctic. Geoscientific Model Development
  Academic article
• Grue, John; Röhrs, Johannes. (2025) Nonlinear internal wave groups due to the interplay between a coastal current, the tide and a ridge-valley shelf topography. Journal of Nonlinear Waves
  Academic article
• Rabault, Jean; Halsne, Trygve; Carrasco, Ana; Korosov, Anton; Voermans, Joey; Bohlinger, Patrik; Debernard, Jens Boldingh; Müller, Malte; Breivik, Øyvind; Nose, Takehiko. (2025) Buoy measurements of strong waves in ice amplitude modulation: a signature of the impact of sea ice closedness on waves in ice attenuation. The Cryosphere
  Academic article
• Aguiar, Victor Cesar Martins de; Moiseev, Artem; Johansson, Malin; Röhrs, Johannes; Johnsen, Harald; Eltoft, Torbjørn. (2025) Assessing Ocean Surface Radial Current Uncertainties Derived from SAR via Atmospheric Ensemble Modeling. IEEE Geoscience and Remote Sensing Letters
  Academic article
• Nordam, Tor; Dissanayake, Anusha Lakmali; Brakstad, Odd Gunnar; Hakvåg, Sigrid; Øverjordet, Ida Beathe; Litzler, Emma; Nepstad, Raymond; Drews, Annika; Röhrs, Johannes. (2025) Fate of Dissolved Methane from Ocean Floor Seeps. Environmental Science and Technology
  Academic article
• Vikebø, Frode Bendiksen; Nepstad, Raymond; Matuszak, Mateusz; Rikardsen, Edel S. U.; Laurel, Benjamin J.; Meier, Sonnich; Eriksen, Elena; Röhrs, Johannes; Christensen, Kai Håkon; Smieszek-Rice, Malgorzata Dominika. (2025) Polar cod early life stage exposure to potential oil spills in the Arctic. Aquatic Toxicology
  Academic article
• Aguiar, Victor Cesar Martins de; Idzanovic, Martina; Röhrs, Johannes; Johansson, Malin. (2025) Performance diagnostics for probabilistic Lagrangian drift prediction. Journal of operational oceanography. Publisher: The Institute of Marine Engineering, Science & Technology
  Academic article
• Matuszak, Mateusz; Röhrs, Johannes; Isachsen, Pål Erik; Idzanovic, Martina. (2025) Uncertainties in the finite-time Lyapunov exponent in an ocean ensemble prediction model. Ocean Science
  Academic article

2024

• Rabault, Jean; Taelman, Catherine Cecilia A; Idzanovic, Martina; Hope, Gaute; Nose, Takehiko; Kristoffersen, Yngve; Jensen, Atle; Breivik, Øyvind; Bryhni, Helge; Hoppmann, Mario. (2024) A position and wave spectra dataset of Marginal Ice Zone dynamics collected around Svalbard in 2022 and 2023. Scientific Data
  Academic article

2023

• Röhrs, Johannes; Halsne, Trygve; Sutherland, Graig; Dagestad, Knut-Frode; Hole, Lars Robert; Brostrøm, Gøran; Christensen, Kai Håkon. (2023) Current shear and turbulence during a near-inertial wave. Frontiers in Marine Science
  Academic article
• Aguiar, Victor Cesar Martins de; Röhrs, Johannes; Johansson, Malin; Eltoft, Torbjørn. (2023) Assessing ocean ensemble drift predictions by comparison with observed oil slicks. Frontiers in Marine Science
  Academic article
• Idzanovic, Martina; Rikardsen, Edel; Röhrs, Johannes. (2023) Forecast uncertainty and ensemble spread in surface currents from a regional ocean model. Frontiers in Marine Science
  Academic article
• Röhrs, Johannes; Gusdal, Yvonne; Rikardsen, Edel S. U.; Durán Moro, Marina; Brændshøi, Jostein; Kristensen, Nils Melsom; Fritzner, Sindre Markus; Wang, Keguang; Sperrevik, Ann Kristin; Idzanovic, Martina. (2023) Barents-2.5km v2.0: an operational data-assimilative coupled ocean and sea ice ensemble prediction model for the Barents Sea and Svalbard. Geoscientific Model Development
  Academic article

2021

• Strand, Kjersti Opstad; Huserbråten, Mats; Dagestad, Knut-Frode; Mauritzen, Cecilie; Grøsvik, Bjørn Einar; Nogueira, Leticia Antunes; Melsom, Arne; Röhrs, Johannes. (2021) Potential sources of marine plastic from survey beaches in the Arctic and Northeast Atlantic. Science of the Total Environment
  Academic article
• Röhrs, Johannes; Sutherland, Graig; Jeans, Gus; Bedington, Michael; Sperrevik, Ann Kristin; Dagestad, Knut-Frode; Gusdal, Yvonne; Mauritzen, Cecilie; Dale, Andrew; Lacasce, Joseph Henry. (2021) Surface currents in operational oceanography: Key applications, mechanisms, and methods. Journal of operational oceanography. Publisher: The Institute of Marine Engineering, Science & Technology
  Academic article

2020

• Brekke, Camilla; Espeseth, Martine; Dagestad, Knut-Frode; Röhrs, Johannes; Hole, Lars Robert; Reigber, Andreas. (2020) Integrated analysis of multi-sensor datasets and oil drift simulations - a free floating oil experiment in the open ocean. Journal of Geophysical Research (JGR): Oceans
  Academic article
• Sutherland, Graig; Soontiens, Nancy; Davidson, Fraser; Smith, Gregory C.; Bernier, Natacha; Blanken, Hauke; Schillinger, Douglas; Marcotte, Guillaume; Röhrs, Johannes; Dagestad, Knut-Frode. (2020) Evaluating the leeway coefficient of ocean drifters using operational marine environmental prediction systems. Journal of Atmospheric and Oceanic Technology
  Academic article

2019

• Dagestad, Knut-Frode; Röhrs, Johannes. (2019) Prediction of ocean surface trajectories using satellite derived vs. modeled ocean currents. Remote Sensing of Environment
  Academic article
• Hole, Lars Robert; Dagestad, Knut-Frode; Röhrs, Johannes; Wettre, Cecilie Drabløs; Kourafalou, Vassiliki H.; Androulidakis, Yannis; Kang, HeeSook; LeHenaff, Matthieu; Garcia-Pineda, Oscar. (2019) The DeepWater Horizon Oil Slick: Simulations of River Front Effects and Oil Droplet Size Distribution. Journal of Marine Science and Engineering (JMSE)
  Academic article
• Nordam, Tor; Kristiansen, Ruben; Nepstad, Raymond; Röhrs, Johannes. (2019) Numerical analysis of boundary conditions in a Lagrangian particle model for vertical mixing, transport and surfacing of buoyant particles in the water column. Ocean Modelling
  Academic article
• Nordam, Tor; Nepstad, Raymond; Litzler, Emma; Röhrs, Johannes. (2019) On the use of random walk schemes in oil spill modelling. Marine Pollution Bulletin
  Academic article

2018

• Röhrs, Johannes; Dagestad, Knut-Frode; Asbjørnsen, Helene; Nordam, Tor; Skancke, Jørgen; Jones, Cathleen; Brekke, Camilla. (2018) The effect of vertical mixing on the horizontal drift of oil spills. Ocean Science
  Academic article
• Dagestad, Knut-Frode; Röhrs, Johannes; Breivik, Øyvind; Ådlandsvik, Bjørn. (2018) OpenDrift v1.0: A generic framework for trajectory modelling. Geoscientific Model Development
  Academic article
• Röhrs, Johannes; Sperrevik, Ann Kristin; Christensen, Kai Håkon; Breivik, Øyvind. (2018) NorShelf: An ocean reanalysis and data-assimilative forecast model for the Norwegian Shelf Sea. Meteorologisk institutt
  Research report
• Christensen, Kai Håkon; Breivik, Øyvind; Dagestad, Knut-Frode; Röhrs, Johannes; Ward, Brian. (2018) Short-term predictions of: Oceanic drift. Oceanography
  Academic literature review

2017

• Sperrevik, Ann Kristin; Röhrs, Johannes; Christensen, Kai Håkon. (2017) Impact of data assimilation on Eulerian versus Lagrangian estimates of upper ocean transport. Journal of Geophysical Research (JGR): Oceans
  Academic article

2016

• Jones, Cathleen Elaine; Dagestad, Knut-Frode; Breivik, Øyvind; Holt, Benjamin; Röhrs, Johannes; Christensen, Kai Håkon; Espeseth, Martine; Brekke, Camilla; Skrunes, Stine. (2016) Measurement and modeling of oil slick transport. Journal of Geophysical Research (JGR): Oceans
  Academic article

2015

• Furevik, Birgitte Rugaard; Schyberg, Harald; Noer, Gunnar; Tveter, Frank; Röhrs, Johannes. (2015) ASAR and ASCAT in polar low situations. Journal of Atmospheric and Oceanic Technology
  Academic article
• Röhrs, Johannes; Sperrevik, Ann Kristin; Christensen, Kai Håkon; Broström, Göran; Breivik, Øyvind. (2015) Comparison of HF radar measurements with Eulerian and Lagrangian surface currents. Ocean Dynamics
  Academic article
• Röhrs, Johannes; Christensen, Kai Håkon. (2015) Drift in the uppermost part of the ocean. Geophysical Research Letters
  Academic article
• Sperrevik, Ann Kristin; Christensen, Kai Håkon; Röhrs, Johannes. (2015) Constraining energetic slope currents through assimilation of high-frequency radar observations. Ocean Science
  Academic article

2014

• Röhrs, Johannes; Furevik, Birgitte Rugaard; Christensen, Kai Håkon. (2014) Surface wave effects in the upper ocean and consequences for biological modeling. Universitetet i Bergen
  Doctoral thesis
• Röhrs, Johannes; Christensen, Kai Håkon; Vikebø, Frode Bendiksen; Sundby, Svein; Sætra, Øyvind; Broström, Göran. (2014) Wave-induced transport and vertical mixing of pelagic eggs and larvae. Limnology and Oceanography
  Academic article

2013

• Christensen, Kai Håkon; Röhrs, Johannes; Ward, Brian; Fer, Ilker; Broström, Göran; Sætra, Øyvind; Breivik, Øyvind. (2013) Surface wave measurements using a ship-mounted ultrasonic altimeter. Methods in oceanography
  Academic article

2012

• Röhrs, Johannes; Kaleschke, Lars; Bröhan, David; Siligam, P. K.. (2012) An algorithm to detect sea ice leads by using AMSR-E passive microwave imagery. Ocean Dynamics
  Academic article
• Röhrs, Johannes; Christensen, Kai Håkon; Hole, Lars Robert; Boström, Göran; Drivdal, Magnus; Sundby, Svein. (2012) Observation-based evaluation of surface wave effects on currents and trajectory forecasts. Ocean Dynamics
  Academic article