Now showing items 134-153 of 494

    • Et dynamisk studium av stormen Narve - et kaldluftsutbrudd i Finnmark - ved hjelp av observasjoner og numeriske simuleringer 

      Samuelsen, Eirik Mikal (The University of Bergen, 2007)
      Title: "A dynamical study of the storm Narve - a cold air outbreak in Finnmark - with the use of observations and numerical simulations."During the storm Narve in January 2006 strong winds from land were blowing during ...
      Master thesis
    • Experimental characterization of the marine atmospheric boundary layer in the Havsul area, Norway 

      Christakos, Konstantinos; Reuder, Joachim; Furevik, Birgitte Rugaard (Elsevier, 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 ...
      Journal article
    • 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 T.; Müller, Martin (Copernicus Publications, 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 ...
      Journal article
    • Extracting statistical parameters of extreme precipitation from a NWP model 

      Eliasson, J.; Rögnvaldsson, Ólafur; Jónsson, T. (European Geosciences Union, 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. ...
      Peer reviewedJournal article
    • Extreme precipitation in Central Norway. A case and climate study 

      Steensen, Birthe Marie Rødssæteren (The University of Bergen, 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 ...
      Master thesis
    • Extreme winds in the Nordic Seas : polar lows and Arctic fronts in a changing climate 

      Kolstad, Erik Wilhelm (The University of Bergen, 2007-03-30)
      Doctoral thesis
    • Extremes and Trends in Wave Climate. A regional and global study 

      Aarnes, Ole Johan (The University of Bergen, 2015-01-16)
      Wind generated surface waves represent a critical factor for offshore constructions and coastal development, and are highly relevant in scientific questions related to climate and weather. The sea state can be described ...
      Doctoral thesis
    • Factors controlling the total alkalinity in the Arabian Sea and Red Sea 

      Elageed, Salma Khalafalla Dafaa E (The University of Bergen, 2010-06-01)
      Based on data obtained during the Geochemical Ocean Section Study (GEOSECS) 1977, Mer Rouge (MEROU) 1982, and US Joint Global Ocean Flux (JGOFS) 1995 studies we have analyzed the processes controlling the total alkalinity ...
      Master thesis
    • Faroe Bank Channel Overflow: Mesoscale Variability 

      Darelius, Elin Maria K.; Fer, Ilker; Quadfasel, Detlef (American Meteorological Society, 2011-11)
      The Faroe Bank Channel is the deepest connection through the Greenland–Scotland Ridge, where dense water formed north of the ridge flows southward over the sill crest, contributing to the formation of North Atlantic Deep ...
      Journal article
    • The fate of the Atlantic Water in the North Icelandic Irminger Current 

      Hermansen, Stine Camilla (The University of Bergen, 2012-01-19)
      The fate of the Atlantic Water within the North Icelandic Irminger Current has long been questioned. The North Icelandic Irminger Current flows along the Icelandic shelf area to the west and north of Iceland, bringing warm ...
      Master thesis
    • Fine scale distribution of precipitation in the Voss area 

      Pontoppidan, Marie Louise Nielsen (The University of Bergen, 2015-06-05)
      The precipitation in Western Norway is strongly affected by its position in the mid latitude conveyor belt of synoptic systems. When the warm and moist air impinges on the complex mountainous terrain, large variabilities ...
      Master thesis
    • Finite Element Analysis of the fatigue strength of a big-end bolt 

      Langeland, Jan Harald (The University of Bergen, 2017-06-23)
      This thesis investigates, with the use of finite element method, the stress formation in a big-end bolt during the power stroke in an IC piston engine. The method used is quasi-static analysis of the lower part of the ...
      Master thesis
    • First results of turbulence measurements in a wind park with the Small Unmanned Meteorological Observer SUMO 

      Reuder, Joachim; Jonassen, Marius Opsanger (Elsevier, 2012-01)
      The Small Unmanned Meteorological Observer (SUMO), equipped with a miniaturized 5-hole probe for turbulent flow measurements with 100 Hz temporal resolution, has for the first time been operated in and around a wind farm. ...
      Journal article
    • FLOHOF 2007: an overview of the mesoscale meteorological field campaign at Hofsjökull, Central Iceland 

      Reuder, Joachim; Ablinger, Markus; Ágústsson, Hálfdán; Brisset, Pascal; Brynjólfsson, Sveinn; Garhammer, Markus; Jóhannesson, Tómas; Jonassen, Marius O.; Kühnel, Rafael; Lämmlein, Stephan; de Lange, Tor; Lindenberg, Christian; Malardel, Sylvie; Mayer, Stephanie; Müller, Martin; Ólafsson, Haraldur; Rögnvaldsson, Ólafur; Schäper, Wolfgang; Spengler, Thomas; Zängl, Günther; Egger, Joseph (Springer Vienna, 2012-04)
      The FLOHOF field campaign took place in the period July 21 to August 24, 2007 on and in the surroundings of Hofsjökull glacier in Central Iceland. During the campaign, 18 automatic weather stations (AWS) recording temperature, ...
      Peer reviewedJournal article
    • Flow over a backward-facing step, a numerical study comparing a zand a σ-coordinate model 

      Rygg, Kristin; Alendal, Guttorm; Haugan, Peter Mosby (Springer Verlag, 2011)
      Homogeneous, nonrotating flow over a backward-facing rounded step is simulated using the 2D vertical version of two general circulation models, a z-coordinate model—the Massachusetts Institute of Technology general ...
      Journal article
    • Fluxes of carbon and nutrients to the Iceland Sea surface layer and inferred primary productivity and stoichiometry 

      Jeansson, Emil; Bellerby, Richard; Skjelvan, Ingunn; Frigstad, Helene; Ólafsdóttir, Sólveig R.; Ólafsson, Jón Hjaltalín (Copernicus Publications, 2015-02-12)
      This study evaluates long-term mean fluxes of carbon and nutrients to the upper 100 m of the Iceland Sea. The study utilises hydro-chemical data from the Iceland Sea time series station (68.00° N, 12.67° W), for the years ...
      Journal article
    • Frazil ice formation in ice shelf water plume 

      Smedsrud, Lars Henrik; Jenkins, Adrian (American Geophysical Union, 2004-03-17)
      We present a model for the growth of frazil ice crystals and their accumulation as marine ice at the base of Antarctic ice shelves. The model describes the flow of buoyant water upward along the ice shelf base and includes ...
      Journal article
    • Frequency Regulation of Synchronous Generator 

      Sørås, Stian Jensen (The University of Bergen, 2017-06-20)
      The objective of this thesis is to create a Load Frequency Control (LFC) to regulate the active power output and frequency of a synchronous generator, and to conduct experiments to verify frequency stability. The electrical ...
      Master thesis
    • Frontal-wave cyclogenesis in the North Atlantic –a climatological characterisation 

      Schemm, Sebastian; Sprenger, Michael (Wiley, 2015-10)
      The ambient conditions during cyclogenesis on fronts in the North Atlantic (NA) are characterised climatologically in the ERA-Interim dataset. These ‘secondary’ cyclones, which grow from frontal waves, are typically small ...
      Journal article
    • Global and regional surface cooling in a warming climate: a multi-model analysis 

      Medhaug, Iselin; Drange, Helge (Springer, 2015)
      Instrumental temperature records show that the global climate may experience decadal-scale periods without warming despite a long-term warming trend. We analysed 17 global climate models participating in phase 5 of the ...
      Journal article