• 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 ...
    • Projected pH reductions by 2100 might put deep North Atlantic biodiversity at risk 

      Gehlen, Marion; Séférian, Roland; Jones, Daniel O.B.; Roy, Tilla; Roth, Raphael; Barry, James P.; Bopp, Laurent; Doney, Scott C.; Dunne, John P.; Heinze, Christoph; Joos, Fortunat; Orr, James C.; Resplandy, Laure; Segschneider, Joachim; Tjiputra, Jerry (Peer reviewed; Journal article, 2014-12-11)
      This study aims to evaluate the potential for impacts of ocean acidification on North Atlantic deep-sea ecosystems in response to IPCC AR5 Representative Concentration Pathways (RCPs). Deep-sea biota is likely highly ...
    • Proof of concept for turbulence measurements with the RPAS SUMO during the BLLAST campaign 

      Båserud, Line; Reuder, Joachim; Jonassen, Marius Opsanger; Kral, Stephan; Bakhoday Paskyabi, Mostafa; Lothon, Marie (Peer reviewed; Journal article, 2016-10-06)
      The micro-RPAS (remotely piloted aircraft system) SUMO (Small Unmanned Meteorological Observer) equipped with a five-hole-probe (5HP) system for turbulent flow measurements was operated in 49 flight missions during the ...
    • Proof of concept for wind turbine wake investigations with the RPAS SUMO 

      Reuder, Joachim; Båserud, Line; Kral, Stephan; Kumer, Valerie-Marie; Wagenaar, Jan Willem; Knauer, Andreas (Peer reviewed; Journal article, 2016-09)
      The Small Unmanned Meteorological Observer (SUMO) has been operated in the vicinity of five research turbines of the Energy Research Centre of the Netherlands (ECN) at the test site Wieringermeer. The intention of the ...
    • Propagation of Thermohaline Anomalies and their predictive potential along the Atlantic water pathway 

      Langehaug, Helene R.; Ortega, Pablo; Counillon, Francois Stephane; Matei, Daniela; Maroon, Elizabeth A.; Keenlyside, Noel Sebastian; Mignot, Juliette; Wang, Yiguo; Swingedouw, Didier; Bethke, Ingo; Yang, Shuting; Danabasoglu, Gokhan; Bellucci, Alessio; Ruggieri, Paolo; Nicoli, D.; Årthun, Marius (Journal article; Peer reviewed, 2022)
      We assess to what extent seven state-of-the-art dynamical prediction systems can retrospectively predict winter sea surface temperature (SST) in the subpolar North Atlantic and the Nordic seas in the period 1970–2005. We ...
    • Properties of the Yellow Sea Meteotsunamis in Spring 

      Kang, Yong-Seong (Master thesis, 2015-06-01)
      This paper documents the properties of the Yellow Sea meteotsunamis in spring based on a total num- ber of 49 meteotsunami events in spring (Mar-May) between 2002 and 2013 documented by the Korea Meteorological Administration ...
    • PVTx Properties of a Two-phase CO2 Jet from Ruptured Pipeline 

      Botnen, Helle Augdal; Omar, Abdirahman; Aavatsmark, Ivar; Alendal, Guttorm; Johannessen, Truls (Peer reviewed; Journal article, 2013)
      Span and Wagner equation of state (SW EOS) have been used to investigate changes in the thermodynamic properties of CO2 during a depressurization process from a pipeline into marine environment. The process is assumed to ...
    • Quantification of iron-rich volcanogenic dust emissions and deposition over the ocean from Icelandic dust sources 

      Arnalds, Olafur; Ólafsson, Haraldur; Dagsson-Waldhauserova, Pavla (Peer reviewed; Journal article, 2014-12-02)
      Iceland has extremely active dust sources that result in large-scale emissions and deposition on land and at sea. The dust has a volcanogenic origin of basaltic composition with about 10% Fe content. We used two independent ...
    • Quantifying Errors in Observationally Based Estimates of Ocean Carbon Sink Variability 

      Gloege, Lucas; McKinley, Galen A.; Landschützer, Peter; Fay, Amanda R.; Frölicher, Thomas L.; Fyfe, John; Ilyana, Tatiana; Jones, Stephen Daniel; Lovenduski, Nicole; Rodgers, Keith B.; Schlunegger, Sarah; Takano, Yohei (Journal article; Peer reviewed, 2021)
      Reducing uncertainty in the global carbon budget requires better quantification of ocean CO2 uptake and its temporal variability. Several methodologies for reconstructing air-sea CO2 exchange from pCO2 observations indicate ...
    • Quantifying the contribution of anthropogenic influence to the East Asian winter monsoon in 1960-2012 

      Hao, Xin; He, Shengping; Wang, Huijun; Han, Tingting (Peer reviewed; Journal article, 2019-08-07)
      The East Asian winter monsoon (EAWM) is greatly influenced by many factors that can be classified as anthropogenic forcing and natural forcing. Here we explore the contribution of anthropogenic influence to the change in ...
    • Quantifying the Stable Water Isotopologue Exchange Between the Snow Surface and Lower Atmosphere by Direct Flux Measurements 

      Wahl, Sonja; Steen-Larsen, Hans Christian; Reuder, Joachim; Hörhold, Maria (Journal article; Peer reviewed, 2021)
      Surface processes in high latitudes play an important role in global climate and thus understanding the physics of these systems is critical for improving climate projections. The characterization of the stable water ...
    • Quantitative assessment of two oil-in-ice surface drift algorithms 

      Martins de Aguiar, Victor Cesar; Dagestad, Knut-Frode; Hole, Lars Robert; Barthel, Knut Sven (Journal article; Peer reviewed, 2022)
      The ongoing reduction in extent and thickness of sea ice in the Arctic might result in an increase of oil spill risk due to the expansion of shipping activity and oil exploration shift towards higher latitudes. This work ...
    • A quantitative description of the West Spitsbergen Current by combining hydrography, altimetry and in-situ current meters 

      Muus Falck, Håvard (Master thesis, 2014-06-02)
      In a warming Arctic Ocean (AO) it is important to study its main source of oceanic heat and salt. Here, seasonal climatological sections of the West Spitsbergen Current (WSC) across 78.83°N have been constructed using ...
    • Quasi-static response of a bottom-fixed wind turbine subject to various incident wind fields 

      Nybø, Astrid; Nielsen, Finn Gunnar; Godvik, Marte (Journal article; Peer reviewed, 2021)
      In the design of offshore wind farms the simulated dynamic response of the wind turbine structure includes loading from turbulent wind. The International Electrotechnical Commission (IEC) standard for wind turbine design ...
    • The quiet crossing of ocean tipping points 

      Heinze, Christoph; Blenckner, Thorsten; Martins, Helena; Rusiecka, Dagmara; Döscher, Ralf; Gehlen, Marion; Gruber, Nicolas; Holland, Elisabeth; Hov, Øystein; Joos, Fortunat; Matthews, John Brian Robin; Rødven, Rolf; Wilson, Simon (Journal article; Peer reviewed, 2021)
      Anthropogenic climate change profoundly alters the ocean’s environmental conditions, which, in turn, impact marine ecosystems. Some of these changes are happening fast and may be difficult to reverse. The identification ...
    • Rapid changes in the Subpolar Gyre based on an Ocean General Circulation Model 

      Blesvik, Torgeir Hauge (Master thesis, 2013-06-03)
      Data from the ocean component of the Norwegian Earth System Model has been analyzed for the period 1960-2008. Most attention is given to the Subpolar Gyre, which strength and spatial extensiveness is understood to have ...
    • Rapid water temperature variations at the northern shelf of the Yellow Sea 

      Asplin, Lars; Lin, Fan; Budgell, Paul; Strand, Øivind (Journal article; Peer reviewed, 2021-05-06)
      During summer, there is great spatial variability in bottom water temperature on the northern shelf of the Yellow Sea. This variability is associated with a thermal front along the shelf. Oscillatory currents from semidiurnal ...
    • Recent and future changes of the Arctic sea-ice cover 

      Smedsrud, Lars Henrik; Sorteberg, Asgeir; Kloster, Kjell (Peer reviewed; Journal article, 2008)
      The present and future state of the Arctic sea ice cover is explored using new observations and a coupled one dimensional air–sea–ice model. Updated satellite observations of Fram Strait ice-area export show an increase ...
    • Recent drought and precipitation tendencies in Ethiopia 

      Viste, Ellen Marie; Korecha, Diriba; Sorteberg, Asgeir (Peer reviewed; Journal article, 2013-05)
      In 2011, drought in the Horn of Africa again made news headlines. This study aims to quantify the meteorological component of this and other drought episodes in Ethiopia since 1971. A monthly precipitation data set for 14 ...
    • Recent Hadley circulation strengthening: a trend or multidecadal variability? 

      Zaplotnik, Žiga; Pikovnik, Matic; Boljka, Lina (Journal article; Peer reviewed, 2022)
      This study explores the possible drivers of the recent Hadley circulation strengthening in the modern reanalyses. Predominantly, two recent generations of reanalyses provided by the European Centre for Medium-Range Weather ...