Blar i Faculty of Mathematics and Natural Sciences på tittel

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    • Estimering av landskapshistorie ved bruk av in situ kosmogene nuklidepar 

      Hitland, Audun Mikal Risti (Master thesis, 2019-06-26)

    • Estimering av permeabilitet med bruk av adaptiv parameterisering 

      Lid, Ingvild (Master thesis, 2009-07-17)

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

      Samuelsen, Eirik Mikal (Master thesis, 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 six ...

    • Et Killing the Winner-studie av visuelle og taktile organismer i Svartehavet 

      Olsen, Thomas Njerve (Master thesis, 2016-06-01)
      I løpet av de to siste tiårene har det blitt rapportert om trender som tyder på at det er en økning i manetblomstringer i flere store marine økosystemer. Parallelt med den økende oppblomstringen av maneter er det også ...

    • Et kritisk og konstruktivt blikk på naturfaget i norsk skole 

      Nilsen, Trude; Frøyland, Merethe; Henriksen, Ellen Karoline; Kolstø, Stein Dankert; Jorde, Doris; Korsager, Majken; Knain, Erik; Ødegaard, Marianne; Teig, Nani; Jensen, Fredrik; Kjærnsli, Marit; Bungum, Berit; Løken, Marianne; Stadler, Matthias Gregor (Chapter, 2021)
      Dette kapitlet retter et kritisk, men konstruktivt blikk på naturfag, og foretar en gjennomgang av naturfag og naturfagdidaktikk innen forskning og i praksis. Kapitlet starter med å beskrive og diskutere naturfagets ...

    • Et longitudinelt studium av utvalgte gjellepatogener assosiert med gjellesykdom hos oppdrettslaks i Vest-Norge. 

      Kvam, Helene Katrine (Master thesis, 2015-01-08)
      Studien var en longitudinel undersøkelse av forekomst av gjellepatogener. En populasjon av høstutsatt Atlantisk laks på Vestlandet ble fulgt gjennom ett år i sjø (oktober 2013 - september 2014). Det ble utført månedlige ...

    • Etablering av holocen askestratigrafi i innsjøarkiver for Vest-Norge 

      Bendiksen, Ann-Elin Rødskar (Master thesis, 2020-07-04)
      Askestratigrafi er et mye brukt verktøy til kronostratigrafisk korrelering og datering. For vest-norske innsjøer er det tefrakronologiske rammeverket svært begrenset, og en etablering av en askestratigrafi derfra kan gi ...

    • ETH Tight Algorithms for Geometric Intersection Graphs: Now in Polynomial Space 

      Fomin, Fedor; Golovach, Petr; Inamdar, Tanmay Nitin; Saurabh, Saket (Journal article; Peer reviewed, 2021)
      De Berg et al. in [SICOMP 2020] gave an algorithmic framework for subexponential algorithms on geometric graphs with tight (up to ETH) running times. This framework is based on dynamic programming on graphs of weighted ...

    • ETH-Tight Algorithms for Finding Surfaces in Simplicial Complexes of Bounded Treewidth 

      Black, Mitchell; Blaser, Nello; Nayyeri, Amir; Vågset, Erlend Raa (Journal article; Peer reviewed, 2022)
      Given a simplicial complex with n simplices, we consider the Connected Subsurface Recognition (c-SR) problem of finding a subcomplex that is homeomorphic to a given connected surface with a fixed boundary. We also study ...

    • ETH-tight algorithms for long path and cycle on unit disk graphs 

      Fomin, Fedor; Lokshtanov, Daniel; Panolan, Fahad; Saurabh, Saket; Zehavi, Meirav (Journal article; Peer reviewed, 2020)
      We present an algorithm for the extensively studied Long Path and Long Cycle problems on unit disk graphs that runs in time 2O(√k)(n + m). Under the Exponential Time Hypothesis, Long Path and Long Cycle on unit disk graphs ...

    • Ethernet-Based Control System and Data Readout for a Proton Computed Tomography Prototype 

      Bohne, Karl Emil Sandvik (Master thesis, 2018-06-23)
      At the University of Bergen (UiB), work is underway to develop a proton based computed tomography prototype. Proton CT (pCT) is an alternative to photonbased imaging that shows great promise as a technology for use in ...

    • Ethylene-Triggered Formation of Ruthenium Alkylidene from Decomposed Catalyst 

      Smit, Wietse; Foscato, Marco; Occhipinti, Giovanni; Jensen, Vidar Remi (Journal article; Peer reviewed, 2020)
      Ethylene is known to readily decompose ruthenium-based olefin metathesis catalysts, such as Grubbs second-generation catalyst (GII), by forming the unsubstituted ruthenacyclobutane (Ru-2) that may undergo a 1,2-H shift and ...

    • etrm: Energy Trading and Risk Management in R 

      Sleire, Anders Daasvand (Journal article; Peer reviewed, 2022)
      This paper introduces etrm, an R package with tools for trading and financial risk management in energy markets. Contracts for electric power and natural gas differ from most other commodities due to the fact that physical ...

    • Eulerian CFD model of direct absorption solar collector with nanofluid 

      Bårdsgård, Runa By; Kuzmenkov, Dmitriy M.; Kosinski, Pawel Jan; Balakin, Boris (Journal article; Peer reviewed, 2020)
      Solar energy is the most promising source of renewable energy. However, the solar energy harvesting process has relatively low efficiency, while the practical use of solar energy is challenging. Direct absorption solar ...

    • Eulerian CFD Model of Direct Absorption Solar Collector with Nanofluid 

      Bårdsgård, Runa By (Master thesis, 2019-12-13)
      Solar energy is the most promising source of renewable energy. However, the solar energy harvesting process has relatively low efficiency, while the use of solar energy is challenging. Direct Absorption Solar Collectors ...

    • Eurasian Cooling Linked to the Vertical Distribution of Arctic Warming 

      He, Shengping; Xu, Xinping; Furevik, Tore; Gao, Yongqi (Journal article; Peer reviewed, 2020)
      Observations show that deep Arctic winter warming, extending from surface to mid‐troposphere, has concurred with below‐average temperature over central Eurasia. Modeling studies focusing on the response to Arctic sea ice ...

    • Eurasian Ice Sheet collapse was a major source of Meltwater Pulse 1A 14,600 years ago 

      Brendryen, Jo; Haflidason, Haflidi; Yokoyama, Yusuke; Haaga, Kristian Agasøster; Hannisdal, Bjarte (Journal article; Peer reviewed, 2020)
      Rapid sea-level rise caused by the collapse of large ice sheets is a threat to human societies. In the last deglacial period, the rate of global sea-level rise peaked at more than 4 cm yr−1 during Meltwater Pulse 1A, which ...

    • The European Climate Research Alliance (ECRA): Collaboration from bottom-up 

      Hoke, Winfried; Swierczynski, Tina; Braesicke, Peter; Lochte, Karin; Shaffrey, Len; Drews, Martin; Gregow, Hilppa; Ludwig, Ralf; Nilsen, Jan Even Øie; Palazzi, Elisa; Sannino, Gianmaria; Smedsrud, Lars H. (Peer reviewed; Journal article, 2019-01-17)
      The European Climate Research Alliance (ECRA) is an association of leading European research institutions in the field of climate research (http://www.ecra-climate.eu/, last access: 6 December 2018). ECRA is a bottom-up ...

    • The European Forest Plant Species List (EuForPlant): Concept and applications 

      Heinken, Thilo; Diekmann, Martin; Liira, Jaan; Orczewska, Anna; Schmidt, Marcus; Brunet, Jörg; Chytrý, Milan; Chabrerie, Olivier; Decocq, Guillaume; De Frenne, Pieter; Dřevojan, Pavel; Dzwonko, Zbigniew; Ewald, Jörg; Feilberg, Jon; Graae, Bente Jessen; Grytnes, John Arvid; Hermy, Martin; Kriebitzsch, Wolf-Ulrich; Laiviņš, Māris; Lenoir, Jonathan; Lindmo, Sigrid; Marage, Damien; Marozas, Vitas; Niemeyer, Thomas; Paal, Jaanus; Pyšek, Petr; Roosaluste, Elle; Sádlo, Jiří; Schaminée, Joop H.J.; Tyler, Torbjörn; Verheyen, Kris; Wulf, Monika; Vanneste, Thomas (Journal article; Peer reviewed, 2022)
      Question When evaluating forests in terms of their biodiversity, distinctiveness and naturalness, the affinity of the constituent species to forests is a crucial parameter. Here we ask to what extent are vascular plant ...

    • The European gravity field and steady-state ocean circulation explorer satellite mission: its impact on geophysics 

      Johannessen, Johnny A.; Balmino, G.; Le Provost, Christian; Rummel, R.; Sabadini, R.; Sünkel, H.; Tscherning, C. C.; Visser, P.; Woodworth, Philip; Hughes, C. W.; Le Grand, Pascal; Sneeuw, N.; Perosanz, F.; Aguirre-Martinez, M.; Rebhan, Helge; Drinkwater, M. R. (Journal article, 2003-07)
      Current knowledge of the Earth’s gravity field and its geoid, as derived from various observing techniques and sources, is incomplete. Within a reasonable time, substantial improvement will come by exploiting new approaches ...