Nye registreringer

  • A discrete fracture matrix framework for simulating single-phase flow and non-isothermal reactive transport 

    Banshoya, Shin Irgens; Berre, Inga; Keilegavlen, Eirik (Journal article; Peer reviewed, 2024)
    Simulating reactive transport in fractured porous media is computationally demanding since it requires solving physical and chemical processes that non-linearly affect each other. At the same time, the processes strongly ...
  • Modelling and simulation of single-phase flow and non-isothermal reactive transport in fractured porous media 

    Banshoya, Shin Irgens (Doctoral thesis, 2025-03-31)
    Mange problemer i oppsprukne porøse medier skjer som et resultat av kjemiske reaksjoner med en kombinasjon av væskestrøming, varmetransport og transport av kjemiske arter. Slike problemer representerer en tett kobling av ...
  • Graph Neural Networks in Algorithm Engineering 

    Langedal, Kenneth (Doctoral thesis, 2025-03-27)
    Graf Nevrale Nettverk (GNN) er ny teknologi innen kunstig intelligens. GNN viderefører de vellykkede ideene fra konvensjonell dyplæring til å fungere på grafer. For ulike grafteoretiske problemer har GNN blitt et nytt ...
  • Targeted Branching for the Maximum Independent Set Problem Using Graph Neural Networks 

    Langedal, Kenneth; Hespe, Demian; Sanders, Peter (Journal article; Peer reviewed, 2024)
    Identifying a maximum independent set is a fundamental NP-hard problem. This problem has several real-world applications and requires finding the largest possible set of vertices not adjacent to each other in an undirected ...
  • Plant trait and vegetation data along a 1314 m elevation gradient with fire history in Puna grasslands, Perú 

    Halbritter, Aud Helen; Vandvik, Vigdis; Cotner, Sehoya Harris; Farfan-Rios, William; Maitner, Brian S.; Michaletz, Sean T.; Oliveros Menor, Imma; Telford, Richard James; Ccahuana, Adam; Cruz, Rudi; Sallo Bravo, Jhonatan; Santos Andrade, Paul Efren; Vilca Bustamante, Lucely Lucero; Castorena, Matiss; Chacón-Labella, Julia; Christiansen, Casper Tai; Duran, Sandra Milena; Egelkraut, Dagmar Dorothea; Gya, Ragnhild; Haugum, Siri Vatsø; Seltzer, Lorah; Silman, Miles R.; Strydom, Tanya; Spiegel, Marcus P.; Barros, Agustina; Birkeli, Kristine; Boakye, Mickey; Chiappero, Fernanda; Chmurzynski, Adam; Garen, Josef; Gaudard, Joseph; Gauthier, Tasha-Leigh J.; Geange, Sonya Rita; Gonzales, Fiorella N.; Henn, Jonathan J.; Hošková, K.; Isaksen, Anders; Jessup, Laura H.; Johnson, William; Kusch, Erik; Lepley, Kai; Lift, Mackenzie; Martyn, Trace E.; Munoz Mazon, Miguel; Middleton, Sara L.; Quinteros Casaverde, Natalia L.; Navarro, Jocelyn; Zepeda, Veronica; Ocampo-Zuleta, Korina; Palomino Cardenas, Andrea Carmeli; Pastor Ploskonka, Samuel; Pierfederici, Maria Elisa; Pinelli, Veronica; Rickenback, Jess; Roos, Ruben Erik; Rui, Hilde Stokland; Sanchez Diaz, Eugenia; Sánchez-Tapia, Andrea; Smith, Alyssa; Urquiaga Flores, Erickson; von Oppen, Jonathan; Enquist, Brian J. (Journal article; Peer reviewed, 2024)
    Alpine grassland vegetation supports globally important biodiversity and ecosystems that are increasingly threatened by climate warming and other environmental changes. Trait-based approaches can support understanding of ...
  • CMIP6 near-term and long-term projections of Eurasian winter cooling trend and cold extremes 

    Xu, Xinping; He, Shengping; Zhou, Botao; Sun, Bo (Journal article; Peer reviewed, 2024)
    It is well-known that climate warming increases air temperature and reduces cold extremes in the long-term. But internal variability strongly modulates the variability of temperature at mid- and- high latitudes, for example, ...
  • Variations in Rainfall Structure of Western North Pacific Landfalling Tropical Cyclones in the Warming Climates 

    Tran, Thao Linh; Ritchie, Elizabeth A.; Perkins-Kirkpatrick, Sarah E; Bui, Hoang Hai; Luong, Manh Thang (Journal article; Peer reviewed, 2024)
    Observations and climate projections suggest a larger increase in tropical cyclone (TC)-induced rainfall than that can be explained by the Clausius-Clapeyron relationship of 7% increase in vapor content for each 1°C degree ...
  • Recent Thickening of the Barents Sea Ice Cover 

    Onarheim, Ingrid Husøy; Årthun, Marius; Teigen, Sigurd H.; Eik, Kenneth J.; Steele, Michael (Journal article; Peer reviewed, 2024)
    The Arctic sea ice cover has decreased rapidly over the last few decades both in extent and thickness. Here we present multi-year (2013–2022) observations of sea ice thickness in the northwestern Barents Sea based on Upward ...
  • Palaeogeography and 3D variability of a dynamically uplifted shelf: Observations from seismic stratigraphy of the Palaeocene East Shetland Platform 

    Valore, Lucas Albanese; Sømme, Tor Oftedal; Patruno, Stefano; Robin, Cécile; Guillocheau, François; Eide, Christian Haug (Journal article; Peer reviewed, 2024)
    In the Palaeocene North Sea, pulses in turbidite fan deposition and shelfal progradation have been correlated with episodes of regional uplift caused by a precursor of the Icelandic Plume. In the East Shetland Platform, ...
  • Signal shapes in multiwire proportional chamber-based TPCs 

    Alme, Johan; Alt, Torsten; Appelshäuser, H.; Arslandok, M.; Averbeck, R.; Bartsch, E.; Becht, P.; Bratrud, Lars Karlot Stubberud; Braun-Munzinger, P.; Buesching, H.; Caines, H.; Christiansen, P.; Costa, F.; Frankenfeld, U.; Gaardhøje, J.J.; Garabatos, C.; Glässel, P.; Gunji, T.; Hamagaki, H.; Harris, J.W.; Hellbär, E.; Helstrup, Håvard; Ivanov, M.; Jung, J.; Jung, M.; Junique, A.; Kalweit, A.; Keidel, R.; Kirsch, S.; Kleiner, M.; Kowalski, M.; Krüger, M.; Lippmann, C.; Mager, M.; Masciocchi, S.; Matyja, A.; Miśkowiec, D.; Munzer, R.H.; Musa, L.; Nielsen, B.S.; Otwinowski, J.; Pikna, M.; Rehman, Attiq Ur; Renfordt, R.; Röhrich, Dieter; Scheid, H.S.; Schmidt, C.; Schmidt, H.R.; Schweda, K.; Sekiguchi, Y.; Silvermyr, D.; Sitar, B.; Stachel, J.; Ullaland, Kjetil; Veenhof, R.; Vislavicius, V.; Wiechula, J.; Windelband, B. (Journal article; Peer reviewed, 2024)
    A large-volume Time Projection Chamber (TPC) is the main tracking and particle identification (PID) detector of the ALICE experiment at the CERN LHC. PID in the TPC is performed via specific energy-loss measurements (dE/dx), ...
  • Identifying airborne snow metamorphism with stable water isotopes 

    Wahl, Sonja; Walter, Benjamin; Aemisegger, Franziska; Bianchi, Luca; Lehning, Michael (Journal article; Peer reviewed, 2024)
    Wind-blown snow is a frequent phenomenon in high-elevation and polar regions which impacts the surface energy and mass balance of these areas. Loose surface snow gets eroded and transported by wind, which influences the ...
  • Drivers and impact of the 2021 extreme warm event in the tropical Angolan upwelling system 

    Imbol Koungue, Rodrigue Anicet; Brandt, Peter; Prigent, Arthur; Aroucha, Léo Costa; Lübbecke, Joke; Imbol Nkwinkwa, Ariel Stella; Dengler, Marcus; Keenlyside, Noel Sebastian (Journal article; Peer reviewed, 2024)
    Benguela Niños are extreme warm events that typically occur during the main downwelling season (austral fall) in the tropical Angolan upwelling system when the biological productivity is low. However, the extreme warm event ...
  • Impact of swell waves on atmospheric surface turbulence: wave–turbulence decomposition methods 

    Bakhoday Paskyabi, Mostafa (Journal article; Peer reviewed, 2024)
    To study turbulence properties, specifically vertical momentum fluxes under swell wave conditions, I investigate the impact of waves on the power spectrum and spectral coherence of turbulent wind across various spatial and ...
  • PACE Solver Description: LUNCH - Linear Uncrossing Heuristics 

    Langedal, Kenneth; Bentert, Matthias; Blanco, Thorgal; Drange, Pål Grønås (Journal article; Peer reviewed, 2024)
    The 2024 PACE challenge is on One-Sided Crossing Minimization: Given a bipartite graph with one fixed and one free layer, compute an ordering of the vertices in the free layer that minimizes the number of edge crossings ...
  • Maximizing yields of furfural and 5-hydroxymethylfurfural in side streams from steam explosion of lignocellulosic residues 

    Hermundsgård, Dag Helge; Ghoreishi, Solmaz; Tanase-Opedal, Mihaela; Moe, Størker T.; Brusletto, Rune; Barth, Tanja (Journal article; Peer reviewed, 2025)
    The demand for renewable energy and chemicals from biomass resources has led to the development of methods for biorefining lignocellulosic materials into pellets and value-added chemicals. This has, in turn, driven a search ...
  • Observations of the Antarctic Slope Current in the Southeastern Weddell Sea: A Bottom-Enhanced Current and Its Seasonal Variability 

    Darelius, Elin Maria K.; Fer, Ilker; Janout, Markus A.; Daae, Kjersti; Steiger, Nadine (Journal article; Peer reviewed, 2024)
    The Antarctic Slope Front and the associated Antarctic Slope Current dynamically regulate the exchanges of heat across the continental shelf break around Antarctica. Where the front is weak, relatively warm deep waters ...
  • The Polar Front in the northwestern Barents Sea: structure, variability and mixing 

    Kolås, Eivind Hugaas; Fer, Ilker; Baumann, Till Martin (Journal article; Peer reviewed, 2024)
    In the northwestern Barents Sea the warm and salty Atlantic Water meets the cold and fresh Polar Water, forming a distinct thermohaline front, the Barents Sea Polar Front. Here we present the structure of the front, its ...
  • A Unified Compositional Flow Model for Simulating Multiphase High-Enthalpy Geothermal Reservoirs 

    Oguntola, Micheal Babatunde; Duran, Omar; Lipovac, Veljko; Keilegavlen, Eirik; Berre, Inga (Stanford Geothermal Workshop;, Chapter, 2025)
    Simulating high-enthalpy geothermal reservoirs poses significant challenges due to the complex interactions between multicomponent, multiphase geothermal fluids influenced by varying pressure, temperature, and other physical ...

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