• NORA10EI: A revised regional atmosphere-wave hindcast for the North Sea, the Norwegian Sea and the Barents Sea 

      Haakenstad, Hilde; Breivik, Øyvind; Reistad, Magnar; Aarnes, Ole Johan (Peer reviewed; Journal article, 2020)
      NORA10EI, a new atmosphere and wave hindcast for the Norwegian Sea, the North Sea and the Barents Sea is presented. The hindcast uses ERA‐Interim as initial and boundary conditions and covers the period 1979–2017. The ...
    • NORA3. Part II: Precipitation and Temperature Statistics in Complex Terrain Modeled with a Nonhydrostatic Model 

      Haakenstad, Hilde; Breivik, Øyvind (Journal article; Peer reviewed, 2022)
      The 3-km Norwegian Reanalysis (NORA3) is a convection-permitting, nonhydrostatic hindcast for the North Sea, the Norwegian Sea, and the Barents Sea as well as the Scandinavian Peninsula. It has a horizontal resolution of ...
    • Nora3: A nonhydrostatic high-resolution hindcast of the North sea, the Norwegian sea, and the Barents sea 

      Haakenstad, Hilde; Breivik, Øyvind; Furevik, Birgitte Rugaard; Reistad, Magnar; Bohlinger, Patrik; Aarnes, Ole Johan (Journal article; Peer reviewed, 2021)
      The 3-km Norwegian Reanalysis (NORA3) is a 15-yr mesoscale-permitting atmospheric hindcast of the North Sea, the Norwegian Sea, and the Barents Sea. With a horizontal resolution of 3 km, the nonhydrostatic numerical weather ...
    • A novel approach to computing super observations for probabilistic wave model validation 

      Bohlinger, Patrik; Breivik, Øyvind; Economou, Theodoros; Müller, Malte (Peer reviewed; Journal article, 2019-07)
      In the field of wave model validation, the use of super observations is a common strategy to smooth satellite observations and match the simulated spatiotemporal scales. An approach based on averaging along track is widely ...
    • Ocean-wave-atmosphere interaction processes in a fully coupled modelling system 

      Wu, Lichuan; Breivik, Øyvind; Rutgersson, Anna (Peer reviewed; Journal article, 2019-11-27)
      A high‐resolution coupled ocean‐wave‐atmosphere model (Uppsala University Coupled model, UU‐CM) of the Baltic Sea and the North Sea with improved representation of ocean‐wave‐atmosphere interaction processes is presented. ...
    • On the Groupiness and Intermittency of Oceanic Whitecaps 

      Malila, Mika Petteri; Thomson, J.; Breivik, Øyvind; Benetazzo, A.; Scanlon, B.; Ward, B. (Journal article; Peer reviewed, 2022)
      The enhancement of wave breaking activity during wave group passage is investigated using coherent field observations of the instantaneous sea surface elevation and whitecap coverage from platform-based stereo video ...
    • OpenDrift v1.0: A generic framework for trajectory modelling 

      Dagestad, Knut-Frode; Röhrs, Johannes; Breivik, Øyvind; Ådlandsvik, Bjørn (Peer reviewed; Journal article, 2018-04-13)
      OpenDrift is an open-source Python-based framework for Lagrangian particle modelling under development at the Norwegian Meteorological Institute with contributions from the wider scientific community. The framework is ...
    • Projected changes in significant wave height toward the end of the 21st century: Northeast Atlantic 

      Aarnes, Ole Johan; Reistad, Magnar; Breivik, Øyvind; Bitner-Gregersen, Elzbieta M.; Eide, Lars Ingolf; Gramstad, Odin; Magnusson, Anne Karin; Natvig, Bent; Vanem, Erik (Peer reviewed; Journal article, 2017-04)
      Wind field ensembles from six CMIP5 models force wave model time slices of the northeast Atlantic over the last three decades of the 20th and the 21st centuries. The future wave climate is investigated by considering the ...
    • Resolving regions known for intense wave–current interaction using spectral wave models: A case study in the energetic flow fields of Northern Norway 

      Halsne, Trygve; Bohlinger, Patrik; Christensen, Kai Håkon; Carrasco, Ana; Breivik, Øyvind (Journal article; Peer reviewed, 2022)
      Oceanic current forcing in spectral wave models have recently been demonstrated to have a large impact on wave heights at scales between one and up to several hundred kilometers. Here we investigate the impact of such ...
    • Sea-state contributions to sea-level variability in the European Seas 

      Bonaduce, Antonio; Staneva, Joanna; Grayek, Sebastian; Bidlot, Jean-Raymond; Breivik, Øyvind (Journal article; Peer reviewed, 2020)
      The contribution of sea-state-induced processes to sea-level variability is investigated through ocean-wave coupled simulations. These experiments are performed with a high-resolution configuration of the Geestacht COAstal ...
    • The "shallow-waterness" of the wave climate in European coastal regions 

      Christensen, Kai Håkon; Carrasco, Ana; Bidlot, Jean-Raymond; Breivik, Øyvind (Peer reviewed; Journal article, 2017-07-20)
      In contrast to deep water waves, shallow water waves are influenced by bottom topography, which has consequences for the propagation of wave energy as well as for the energy and momentum exchange between the waves and the ...
    • Subsurface maxima in buoyant fish eggs indicate vertical velocity shearand spatially limited spawning grounds 

      Strand, Kjersti Opstad; Vikebø, Frode Bendiksen; Sundby, Svein; Sperrevik, Ann Kristin; Breivik, Øyvind (Peer reviewed; Journal article, 2019-05)
      Observed vertical profiles of buoyant particles, in this case pelagic Northeast Arctic (NEA) cod eggs, occasionally deviate from the vertical diffusion‐buoyancy balance by displaying subsurface maxima. Here, we present a ...
    • Wave Extremes in the Northeast Atlantic 

      Aarnes, Ole Johan; Breivik, Øyvind; Reistad, Magnar (Peer reviewed; Journal article, 2012-03)
      The objective of this study is to compute 100-yr return value estimates of significant wave height using a new hindcast developed by the Norwegian Meteorological Institute. This regional hindcast covers the northeast ...
    • Wind and wave extremes over the world oceans from very large ensembles 

      Breivik, Øyvind; Aarnes, Ole Johan; Abdalla, Saleh; Bidlot, Jean-Raymond; Janssen, Peter A. E. M. (Peer reviewed; Journal article, 2014-07)
      Global return values of marine wind speed and significant wave height are estimated from very large aggregates of archived ensemble forecasts at +240 h lead time. Long lead time ensures that the forecasts represent independent ...