Blar i Geophysical Institute på tittel

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    • Barents Sea ice cover reflects Atlantic inflow 

      Årthun, Marius; Eldevik, Tor; Smedsrud, Lars Henrik; Skagseth, Øystein (Working paper, 2011)
      The recent Arctic winter sea-ice retreat is most pronounced in the Barents Sea. Using available observations of the Atlantic inflow to the Barents Sea and results from a regional ice-ocean model we assess the role of ...

    • Baroclinic Instability in the West Spitsbergen Current 

      Teigen, Sigurd Henrik; Nilsen, Frank; Skogseth, Ragnheid; Gjevik, Bjørn; Beszczynska-Möller, Agnieszka (Peer reviewed; Journal article, 2011-07-15)
      Baroclinic instability in the West Spitsbergen Current is investigated, based on data from an array of current meter moorings along 78.83oN, across the deeper (1000-2400 m) section of the continental slope west of Svalbard. ...

    • Barotropic instability in the West Spitsbergen Current 

      Teigen, Sigurd Henrik; Nilsen, Frank; Gjevik, Bjørn (Peer reviewed; Journal article, 2010-07-24)
      Barotropic instability in the shoreward branch of the West Spitsbergen Current is investigated on the basis of data from an array of current meter moorings along 78.83°N, across the upper continental slope and shelf break ...

    • Basin Interactions and predictability 

      Keenlyside, Noel; Kosaka, Yu; Vigaud, Nicholas; Robertson, Andrew; Wang, Yiguo; Dommenget, Dietmar; Luo, Jing-Jia; Matei, Daniela (Chapter, 2020)

    • Batterilading i hybride fremdriftssystemer ved hjelp av tapsenergi fra forbrenningsmotoren 

      Nygård, Erlend (Master thesis, 2017-06-23)
      In a time when emission standards are getting stricter, the search for more environmentally friendly propulsion is more relevant than ever. Hybridization and electric propulsion has, thus, become more common in some sectors, ...

    • Bedymo: A combined quasi-geostrophic and primitive equation model in σ coordinates 

      Spensberger, Clemens; Thorsteinsson, Trond; Spengler, Thomas (Journal article; Peer reviewed, 2022)
      This paper introduces the Bergen Dynamical Model (Bedymo), an idealized atmospheric circulation model, which combines the quasi-geostrophic approximation and the hydrostatic primitive equations into one modelling framework. ...

    • Benefit of vertical localization for sea surface temperature assimilation in isopycnal coordinate model 

      Wang, Yiguo; Counillon, Francois Stephane; Barthelemy, Sebastien Jean-Claude; Barth, Alexander (Journal article; Peer reviewed, 2022-12-15)
      Sea surface temperature (SST) observations are a critical data set for long-term climate reconstruction. However, their assimilation with an ensemble-based data assimilation method can degrade performance in the ocean ...

    • Benguela Niños: Observations and Modelling 

      Hansen, Elisabeth (Master thesis, 2004)
      A numerical ocean model for the South Atlantic was used to study the 1995 Benguela Niño in order to learn about the underlying forcing mechanisms of the phenomenon. By comparing observations and model output, it was found ...

    • Best Practice Data Standards for Discrete Chemical Oceanographic Observations 

      Jiang, Li-Qing; Pierrot, Denis; Wanninkhof, Rik; Feely, Richard A.; Tilbrook, Bronte; Alin, Simone; Barbero, Leticia; Byrne, Robert H.; Carter, Brendan R.; Dickson, Andrew G.; Gattuso, Jean-Pierre; Greeley, Dana; Hoppema, Mario; Humphreys, Matthew P.; Karstensen, Johannes; Lange, Nico; Lauvset, Siv Kari; Lewis, Ernie R.; Olsen, Are; Pérez, Fiz F.; Sabine, Christopher; Sharp, Jonathan D.; Tanhua, Toste; Trull, Thomas W.; Velo, Anton; Allegra, Andrew J.; Barker, Paul; Burger, Eugene; Cai, Wei-Jun; Chen, Chen-Tung A.; Cross, Jessica; Garcia, Hernan; Hernandez-Ayon, Jose Martin; Hu, Xinping; Kozyr, Alex; Langdon, Chris; Lee, Kitack; Salisbury, Joe; Wang, Zhaohui Aleck; Xue, Liang (Journal article; Peer reviewed, 2022)
      Effective data management plays a key role in oceanographic research as cruise-based data, collected from different laboratories and expeditions, are commonly compiled to investigate regional to global oceanographic ...

    • Bias correction of operational storm surge forecasts using Neural Networks 

      Tedesco, Paulina Souza; Rabault, Jean; Sætra, Martin Lilleeng; Kristensen, Nils Melsom; Aarnes, Ole Johan; Breivik, Øyvind; Mauritzen, Cecilie; Sætra, Øyvind (Journal article; Peer reviewed, 2024)
      Storm surges can give rise to extreme floods in coastal areas. The Norwegian Meteorological Institute (MET Norway) produces 120 h regional operational storm surge forecasts along the coast of Norway based on the Regional ...

    • Bifurcation Points for Tropical Cyclone Genesis and Intensification in Sheared and Dry Environments 

      Nam, Chaehyeon; Bell, Michael; Tao, Dandan (Journal article; Peer reviewed, 2023)
      The combination of moderate vertical wind shear (VWS) and dry environments can produce the most uncertain scenarios for tropical cyclone (TC) genesis and intensification. We investigated the sources of increased uncertainty ...

    • The BLLAST field experiment: Boundary-Layer late afternoon and sunset turbulence 

      Lothon, Marie; Louhou, Fabienne; Pino, David; Couvreux, Fleur; Pardyjak, Erik; Reuder, Joachim; Vilà-Guerau De Arellano, Jordi; Durand, Pierre; Hartogensis, Oscar K.; Legain, Dominique; Augustin, Patrick V.; Gioli, Beniamino; Lenschow, Donald H.; Faloona, Ian C.; Yagüe, Carlos; Alexander, Daniel C.; Angevine, Wayne M.; Bargain, Erwan; Barrié, Joël; Bazile, Eric; Bezombes, Yannick; Blay-Carreras, Estel; Van De Boer, Anneke; Boichard, Jean Luc; Bourdon, Anne; Butet, Alain; Campistron, Bernard A.; De Coster, Olivier; Cuxart, Joan; Dabas, Alain M.; Darbieu, Clara; Deboudt, Karine; Delbarre, Hervé; Derrien, Solène; Flament, Pascal; Fourmentin, Marc; Garai, Anirban; Gibert, Fabien; Graf, Alexander T.; Gröbner, Julian; Guichard, Françoise; Jiménez, Mantonia Antonia; Jonassen, Marius Opsanger; Van Den Kroonenberg, Aline C.; Magliulo, Vincenzo; Martin, Sabrina; Martinez, Daniel; Mastrorillo, Laurence; Moene, Arnold F.; Molinos, Francisco Lendinez; Moulin, Emilie; Pietersen, Henk P.; Piguet, Bruno; Pique, Eric; Román-Cascón, Carlos; Rufin-Soler, Caroline; Saïd, Frédérique; Sastre-Marugán, Mariano; Seity, Yann; Steeneveld, Gert Jan; Toscano, Piero; Traullé, Olivier; Tzanos, Diane; Wacker, Stefan; Wildmann, Norman; Zaldei, Alessandro (Peer reviewed; Journal article, 2014-10-16)
      Due to the major role of the sun in heating the earth's surface, the atmospheric planetary boundary layer over land is inherently marked by a diurnal cycle. The afternoon transition, the period of the day that connects the ...

    • Boosting effect of strong western pole of the Indian Ocean Dipole on the decay of El Niño events 

      Wu, Jia; Fan, Hanjie; Lin, Shuheng; Zhong, Wenxiu; He, Shan; Keenlyside, Noel Sebastian; Yang, Song (Journal article; Peer reviewed, 2024)
      The Indian Ocean Basin (IOB) mode is believed to favor the decay of El Niño via modulating the zonal wind anomalies in the western equatorial Pacific, while the contribution of the Indian Ocean Dipole (IOD) mode to the ...

    • Bottom melting of Arctic Sea Ice in the Nansen Basin due to Atlantic Water influence 

      Muilwijk, Morven Korneel (Master thesis, 2016-05-24)
      The hydrographic situation for a region north of Svalbard is investigated using observations from the Norwegian Young Sea Ice Cruise (N-ICE2015). Observations from January to June 2015 are compared to historical observations ...

    • A brief history of climate – the northern seas from the Last Glacial Maximum to global warming 

      Eldevik, Tor; Risebrobakken, Bjørg; Bjune, Anne Elisabeth; Andersson, Carin; Birks, Harry John Betteley; Dokken, Trond Martin; Drange, Helge; Glessmer, Mirjam Sophia; Li, Camille; Nilsen, Jan Even Øie; Otterå, Odd Helge; Richter, Kristin; Skagseth, Øystein (Peer reviewed; Journal article, 2014-12)
      The understanding of climate and climate change is fundamentally concerned with two things: a well-defined and sufficiently complete climate record to be explained, for example of observed temperature, and a relevant ...

    • Bruk og misbruk av klimaframskrivninger 

      Sorteberg, Asgeir (Journal article, 2009)
      Forskere er avhengig av pålitelige klimaframskrivninger for å kunne si hvilke konsekvenser klimaforandringer får for mennesker og samfunn i framtiden. Men hva kan klimaframskrivninger brukes til og hvordan bør de brukes?

    • Calibration and assessment of electrochemical low-cost sensors in remote alpine harsh environments 

      Dallo, Frederico; Zannoni, Daniele; Gabrieli, Jacopo; Cristofanelli, Paolo; Calzolari, Francescopiero; de Blasi, Fabrizio; Spolaor, Andrea; Battistel, Dario; Lodi, Rachele; Cairns, Warren R. L.; Fjæraa, Ann Mari; Bonasoni, Paolo; Barbante, Carlo (Journal article; Peer reviewed, 2021)
      This work presents results from an original open-source low-cost sensor (LCS) system developed to measure tropospheric O3 in a remote high altitude alpine site. Our study was conducted at the Col Margherita Observatory ...

    • CALOTRITON: a convective boundary layer height estimation algorithm from ultra-high-frequency (UHF) wind profiler data 

      Philibert, Alban; Lothon, Marie; Amestoy, Julien; Meslin, Pierre-Yves; Derrien, Solène; Bezombes, Yannick; Campistron, Bernard; Lohou, Fabienne; Vial, Antoine; Canut-Rocafort, Guylaine; Reuder, Joachim; Brooke, Jennifer K. (Journal article; Peer reviewed, 2024)
      Long time series of observations of atmospheric dynamics and composition are collected at the French Pyrenean Platform for Observation of the Atmosphere (P2OA). Planetary boundary layer depth is a key variable of the climate ...

    • Calving rates at tidewater glaciers vary strongly with ocean temperature 

      Luckman, Adrian; Benn, Doug; Cottier, Finlo; Bevan, Suzanne; Nilsen, Frank; Inall, Mark (Peer reviewed; Journal article, 2015-10-09)
      Rates of ice mass loss at the calving margins of tidewater glaciers (frontal ablation rates) are a key uncertainty in sea level rise projections. Measurements are difficult because mass lost is replaced by ice flow at ...

    • Can Areawide Building Retrofitting Affect the Urban Microclimate? An LES Study for Berlin, Germany 

      Maronga, Bjørn; Winkler, Matthias; Li, Dan (Journal article; Peer reviewed, 2022)
      In this work, we investigate the effect of areawide building retrofitting on summertime, street-level outdoor temperatures in an urban district in Berlin, Germany. We perform two building-resolving, weeklong large-eddy ...