• Evaluating two numerical advection schemes in HYCOM for eddy-resolving modelling of the Agulhas Current 

      Backeberg, Bjørn C.; Bertino, Laurent; Johannessen, Johnny A. (Ocean Science, Journal article, 2009-06-02)
      A 4th order advection scheme is applied in a nested eddy-resolving Hybrid Coordinate Ocean Model (HYCOM) of the greater Agulhas Current system for the purpose of testing advanced numerics as a means for improving the model ...
    • Evaluation of a sub-kilometre NWP system in an Arctic fjord-valley system in winter 

      Valkonen, Teresa Maaria; Stoll, Patrick; Batrak, Yurii; Køltzow, Morten Andreas Ødegaard; Schneider, Thea Maria; Stigter, Emmy E.; Aashamar, Ola B.; Støylen, Eivind; Jonassen, Marius Opsanger (Journal article; Peer reviewed, 2020)
      Terrain challenges the prediction of near-surface atmospheric conditions, even in kilometre-scale numerical weather prediction (NWP) models. In this study, the ALADIN-HIRLAM NWP system with 0.5 km horizontal grid spacing ...
    • Evaluation of different wind fields for the investigation of the dynamic response of offshore wind turbines 

      Nybø, Astrid; Nielsen, Finn Gunnar; Reuder, Joachim; Godvik, Marte; Churchfield, Matthew J. (Journal article; Peer reviewed, 2020)
      As the size of offshore wind turbines increases, a realistic representation of the spatiotemporal distribution of the incident wind field becomes crucial for modeling the dynamic response of the turbine. The International ...
    • Evaluation of Gaussian wake models under different atmospheric stability conditions: Comparison with large eddy simulation results 

      Krutova, Maria; Bakhoday Paskyabi, Mostafa; Reuder, Joachim; Nielsen, Finn Gunnar (Journal article; Peer reviewed, 2020)
      The calculation of the velocity deficit in the wake of individual wind turbines is a fundamental part of the wind farm analysis. A good approximation of the wake deficit behind a single wind turbine will improve the power ...
    • An evaluation of surface meteorology and fluxes over the Iceland and Greenland Seas in ERA5 reanalysis: The impact of sea ice distribution 

      Renfrew, Ian A.; Barrell, C.; Elvidge, A.D.; Brooke, J.K.; Duscha, Christiane; King, J.C.; Kristiansen, Jørn; Cope, T. Lachlan; Moore, George William Kent; Pickart, Robert S.; Reuder, Joachim; Sandu, I.; Sergeev, Denis; Terpstra, Annick; Våge, Kjetil; Weiss, A. (Journal article; Peer reviewed, 2021)
      The Iceland and Greenland Seas are a crucial region for the climate system, being the headwaters of the lower limb of the Atlantic Meridional Overturning Circulation. Investigating the atmosphere–ocean–ice processes in ...
    • An Evaluation of the EnKF vs. EnOI and the Assimilation of SMAP, SMOS and ESA CCI Soil Moisture Data over the Contiguous US 

      Blyverket, Jostein; Hamer, Paul David; Bertino, Laurent; Albergel, Clement; Fairbairn, David; Lahoz, William A. (Peer reviewed; Journal article, 2019-02-26)
      A number of studies have shown that assimilation of satellite derived soil moisture using the ensemble Kalman Filter (EnKF) can improve soil moisture estimates, particularly for the surface zone. However, the EnKF is ...
    • Evaluering av potensiale for hybride fremdriftsløsninger i fritidsbåter 

      Shanker, Dan Shiva Mjåseth (Master thesis, 2021-06-01)
      Evaluering av hybriddrift for fritidsbåter av typen snekke og sjark med fartspotensiale 0 til 9 knop. Bruk av dataverktøy som Ricardo IGNITE og Excel for å se på effektbehov, forbruk og rekkevidde ved hybriddrift
    • Evidence of Isotopic Fractionation During Vapor Exchange Between the Atmosphere and the Snow Surface in Greenland 

      Madsen, M.V.; Steen‐Larsen, H.C.; Hörhold, M.; Box, J.; Berben, Sarah Miche Patricia; Capron, E.; Faber, Anne-Katrine; Hubbard, Alun Lloyd; Jensen, Mari Fjalstad; Jones, T.R.; Kipfstuhl, S.; Koldtoft, I.; Pillar, H.R.; Vaughn, B.H.; Vladimirova, D.; Dahl‐Jensen, D. (Peer reviewed; Journal article, 2019-03)
      Several recent studies from both Greenland and Antarctica have reported significant changes in the water isotopic composition of near‐surface snow between precipitation events. These changes have been linked to isotopic ...
    • Evolving and sustaining ocean best practices and standards for the next decade 

      Pearlman, Jay; Bushnell, Mark; Coppola, Laurent; Karstensen, Johannes; Buttigieg, Pier Luigi; Pearlman, Françoise; Simpson, Pauline; Barbier, Michele; Muller-Karger, Frank Edgar; Munoz-Mas, Cristian; Pissierssens, Peter; Chandler, Cyndy; Hermes, Juliet; Heslop, Emma; Jenkyns, Reyna; Achterberg, Eric P.; Bensi, Manuel; Bittig, Henry C.; Blandin, Jerome; Bosch, Julie; Bourles, Bernard; Bozzano, Roberto; Buck, Justin J.H.; Burger, Eugene F.; Cano, Daniel; Cardin, Vanessa; Llorens, Miguel Charcos; Cianca, Andres; Chen, Hua; Cusack, Caroline; Delory, Eric; Garello, Rene; Giovanetti, Gabriele; Harscoat, Valerie; Hartman, Susan; Heitsenrether, Robert; Jirka, Simon; Lara-Lopez, Ana Ligia; Lanteri, Nadine; Leadbetter, Adam; Manzella, Giuseppe; Maso, Joan; McCurdy, Andrea; Moussat, Eric; Ntoumas, Manolis; Pensieri, Sara; Petihakis, George; Pinardi, Nadia; Pouliquen, Sylvie; Przeslawski, Rachel; Roden, Nicholas; Silke, Joe; Tamburri, Mario N.; Tang, Hairong; Tanhua, Toste; Telszewski, Maciej; Testor, Pierre; Thomas, Julie; Waldmann, Christoph; Whoriskey, Fred (Peer reviewed; Journal article, 2019-06-04)
      The oceans play a key role in global issues such as climate change, food security, and human health. Given their vast dimensions and internal complexity, efficient monitoring and predicting of the planet’s ocean must be a ...
    • Evolving the global ocean observing system for research and application services through international coordination 

      Sloyan, Bernadette M.; Wilkin, John; Hill, Katherine L.; Chidichimo, Maria Paz; Cronin, Meghan F; Johannessen, Johnny Andre; Karstensen, Johannes; Krug, Marjolaine; Lee, Tong; Oka, Eitarou; Palmer, Matthew D.; Rabe, Benjamin; Speich, Sabrina; von Schuckmann, Karina; Weller, Robert A; Yu, Weidong (Peer reviewed; Journal article, 2019-08-06)
      Climate change and variability are major societal challenges, and the ocean is an integral part of this complex and variable system. Key to the understanding of the ocean’s role in the Earth’s climate system is the study ...
    • Exceptionally Warm and Prolonged Flow of Warm Deep Water Toward the Filchner‐Ronne Ice Shelf in 2017 

      Ryan, Svenja; Hellmer, Hartmut H.; Janout, Markus; Darelius, Elin Maria K.; Schröder, Michael; Vignes, Lucie (Journal article; Peer reviewed, 2020)
      The Filchner-Ronne Ice Shelf, fringing the southern Weddell Sea, is Antarctica's second largest ice shelf. At present, basal melt rates are low due to active dense water formation; however, model projections suggest a ...
    • Exchange of water masses between the southern Weddell Sea continental shelf and the deep ocean 

      Daae, Kjersti Birkeland (Doctoral thesis, 2018-06-13)
      The exchange of water masses between the shallow Weddell Sea continental shelf and the deep ocean is of climatic importance. Firstly, on-shelf transport of warm oceanic water masses, contributes to basal melting of ice ...
    • Experimental characterization of the marine atmospheric boundary layer in the Havsul area, Norway 

      Christakos, Konstantinos; Reuder, Joachim; Furevik, Birgitte Rugaard (Peer reviewed; Journal article, 2013)
      Offshore wind energy applications depend strongly on an improved knowledge of the physical processes taking place in marine atmospheric boundary layer (MABL). In particular the better understanding of the complex interactions ...
    • Experimental methods to study the process of snow-ice formation induced by saltwater rise 

      Kern, Yannick Rouven (Master thesis, 2018-11-09)
      The Arctic region is experiencing a change from thick multiyear to much younger and thinner sea ice. In many places, increasing precipitation is leading to higher snow loads on young sea ice. Hence seawater can infiltrate ...
    • An experimental study on the effects of winglets on the tip vortex interaction in the near wake of a model wind turbine 

      Bartl, Jan; Mühle, Franz Volker; Hansen, Thomas; Adaramola, Muyiwa S.; Sætran, Lars Roar (Journal article; Peer reviewed, 2020)
      An experimental study of the near wake up to four rotor diameters behind a model wind turbine rotor with two different wing tip configurations is performed. A straight-cut wing tip and a downstream-facing winglet shape are ...
    • Exploring Arctic-midlatitude teleconnections using observations and numerical models 

      Siew, Yu Feng (Doctoral thesis, 2021-05-27)
      The Arctic is warming at a much faster rate than the rest of the globe, with large declines in sea ice, snow cover and permafrost over the last decades. These profound changes have been proposed to influence the midlatitude ...
    • Exploring the potential of the RPA system SUMO for multipurpose boundary-layer missions during the BLLAST campaign 

      Reuder, Joachim; Båserud, Line; Jonassen, Marius Opsanger; Kral, Stephan; Müller, Martin (Peer reviewed; Journal article, 2016-06-24)
      In June and July 2011 the RPAS (Remotely Piloted Aircraft System) SUMO (Small Unmanned Meteorological Observer) performed a total number of 299 scientific flights during the BLLAST (Boundary Layer Late Afternoon and Sunset ...
    • Export of calcium carbonate corrosive waters from the East Siberian Sea 

      Anderson, Leif G.; Ek, Jörgen; Ericson, Ylva; Humborg, Christoph; Semiletov, Igor; Sundbom, Magnus; Ulfsbo, Adam (Peer reviewed; Journal article, 2017-04-05)
      The Siberian shelf seas are areas of extensive biogeochemical transformation of organic matter, both of marine and terrestrial origin. This in combination with brine production from sea ice formation results in a cold ...
    • Extracting statistical parameters of extreme precipitation from a NWP model 

      Eliasson, J.; Rögnvaldsson, Ólafur; Jónsson, T. (Peer reviewed; Journal article, 2009-11-25)
      Precipitation simulations on an 8×8 km grid using the PSU/NCAR Mesoscale Model MM5 are used to estimate the M5 and Ci statistical parameters in order to support the M5 map used for flood estimates by Icelandic engineers. ...
    • Extreme precipitation in Central Norway. A case and climate study 

      Steensen, Birthe Marie Rødssæteren (Master thesis, 2010-06-01)
      An extreme precipitation event occurred over Central Norway at the end of January to the beginning of February 2006. The heavy precipitation in addition to high temperatures lead to snow melt and increased run-off, which ...