Blar i Publikasjoner fra Cristin på tittel

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    • CO2 Convection in Hydrocarbon Under Flowing Conditions 

      Mykkeltvedt, Trine Solberg; Gasda, Sarah Eileen; Sandve, Tor Harald (Peer reviewed; Journal article, 2021)
      Carbon-neutral oil production is one way to improve the sustainability of petroleum resources. The emissions from produced hydrocarbons can be offset by injecting capture CO2 from a nearby point source into a saline aquifer ...

    • CO2 Convective Dissolution in Oil-Saturated Unconsolidated Porous Media at Reservoir Conditions 

      Amarasinghe, Widuramina; Fjelde, Ingebret; Giske, Nils Harald; Guo, Ying (Peer reviewed; Journal article, 2021)
      During CO2 storage, CO2 plume mixes with the water and oil present at the reservoir, initiated by diffusion followed by a density gradient that leads to a convective flow. Studies are available where CO2 convective mixing ...

    • CO2 Dissolution and Convection in Oil at Realistic Reservoir Conditions: A Visualization Study. 

      Amarasinghe, Widuramina Sameendranath; Fjelde, Ingebret; Guo, Ying (Peer reviewed; Journal article, 2021)
      CO2 convective mixing has been extensively studied for CO2 dissolution in saline water but very limited with the presence of oil. The objective of this work was to visually study the supercritical CO2 (sCO2) dissolution ...

    • Coal phase-out pledges follow peak coal: evidence from 60 years of growth and decline in coal power capacity worldwide 

      Lægreid, Ole Martin; Cherp, Aleh; Jewell, Jessica (Peer reviewed; Journal article, 2023)
      Transitioning to net-zero carbon emissions requires phasing-out unabated coal power; however, recently it has only been declining in some countries, while it stagnated or even increased in others. Where and under what ...

    • Cobalamin and folate status in women during early pregnancy in Bhaktapur, Nepal 

      Schwinger, Catherine; Sharma, Shakun; Chandyo, Ram K; Hysing, Mari; Kvestad, Ingrid; Ulak, Manjeswori; Ranjitkar, Suman; Shrestha, Merina; Shrestha, Laxman; McCann, Adrian; Ueland, Per Magne; Strand, Tor Arne (Journal article; Peer reviewed, 2021)
      The demand for cobalamin (vitamin B12) and folate is increased during pregnancy, and deficiency during pregnancy may lead to complications and adverse outcomes. Yet, the status of these micronutrients is unknown in many ...

    • Colorectal cancer screening with repeated fecal immunochemical test versus sigmoidoscopy: baseline results from a randomized trial 

      Randel, Kristin Ranheim; Schult, Anna Lisa; Botteri, Edoardo; Hoff, Geir; Bretthauer, Michael; Ursin, Giske; Natvig, Erik; Berstad, Paula; Jørgensen, Anita; Sandvei, Per Kristian; Olsen, Marie Kristin Ek; Frigstad, Svein Oskar; Darre-Næss, Ole; Norvard, Espen R.; Bolstad, Nils; Kørner, Hartwig; Wibe, Arne; Wensaas, Knut-Arne; de Lange, Thomas; Holme, Øyvind (Peer reviewed; Journal article, 2020)
      Background and aims: The comparative effectiveness of sigmoidoscopy and fecal immunochemical testing (FIT) for colorectal cancer (CRC) screening is unknown. Methods: Individuals aged 50-74 years living in South-East Norway ...

    • A combined finite element–finite volume framework for phase-field fracture 

      Sargado, Juan Michael Uy Villanueva; Keilegavlen, Eirik; Berre, Inga; Nordbotten, Jan Martin (Peer reviewed; Journal article, 2021)
      Numerical simulations of brittle fracture using phase-field approaches often employ a discrete approximation framework that applies the same order of interpolation for the displacement and phase-field variables. In particular, ...

    • Combined physical and biogeochemical assessment of mesoscale eddy parameterisations in ocean models: Eddy induced advection at non-eddying resolutions 

      Ruan, X.; Couespel, Damien; Lévy, M.; Li, J.; Mak, J.; Wang, Y. (Peer reviewed; Journal article, 2023)
      Ocean components of Earth System Models employed for climate projections do not routinely resolve mesoscale eddies for computational cost reasons, and the associated subgrid processes are still parameterised. While the ...

    • Combined Thickness and Permittivity Measurement of Thin Layers with Open-Ended Coaxial Probes 

      Folgerø, Kjetil; Haukalid, Kjetil; Kocbach, Jan; Peterson, Andreas Soto (Peer reviewed; Journal article, 2019)
      This paper presents a method to simultaneously determine the thickness and permittivity of thin layers from multi-frequency reflection coefficient measurements using an open-ended coaxial probe. This is achieved by exploiting ...

    • Combined Use of Aerial Photogrammetry and Terrestrial Laser Scanning for Detecting Geomorphological Changes in Hornsund, Svalbard 

      Błaszczyk, Małgorzata; Laska, Michał; Sivertsen, Agnar Holten; Jawak, Shridhar D. (Peer reviewed; Journal article, 2022)
      The Arctic is a region undergoing continuous and significant changes in land relief due to different glaciological, geomorphological and hydrogeological processes. To study those phenomena, digital elevation models (DEMs) ...

    • Combining direct and indirect sparse data for learning generalizable turbulence models 

      Zhang, Xin-Lei; Xiao, Heng; Luo, Xiaodong; He, Guowei (Peer reviewed; Journal article, 2023)
      Learning turbulence models from observation data is of significant interest in discovering a unified model for a broad range of practical flow applications. Either the direct observation of Reynolds stress or the indirect ...

    • Comparison of depression care provided in general practice in Norway and the Netherlands: registry-based cohort study (The Norwegian GP-DEP study) 

      Hansen, Anneli Borge; Baste, Valborg; Hetlevik, Øystein; Smith-Sivertsen, Tone; Haukenes, Inger; de Beurs, Derek; Nielen, Mark; Ruths, Sabine (Peer reviewed; Journal article, 2022)
      Background Depression is highly prevalent in general practice, and organisation of primary health care probably affects the provision of depression care. General practitioners (GPs) in Norway and the Netherlands fulfil ...

    • Comparison of past and future simulations of ENSO in CMIP5/PMIP3 and CMIP6/PMIP4 models 

      Brown, Josephine; Brierley, Chris; Soon-Il, An; Guarino, Maria-Vittoria; Stevenson, Samantha; Williams, Charles J. R.; Zhang, Qiong; Zhao, Anni; Abe-Ouchi, Ayako; Braconnot, Pascale; Brady, Esther C.; Chandan, Deepak; D'Agostino, Roberta; Guo, Chuncheng; Legrande, Allegra N.; Lohmann, Gerrit; Morozova, Polina A.; Ohgaito, Rumi; O'ishi, Ryouta; Otto-Bliesner, Bette L.; Peltier, W. Richard; Shi, Xiaoxu; Sime, Louise C.; Volodin, Evgeny M.; Zhang, Zhongshi; Zheng, Weipeng (Peer reviewed; Journal article, 2020)
      El Niño–Southern Oscillation (ENSO) is the strongest mode of interannual climate variability in the current climate, influencing ecosystems, agriculture, and weather systems across the globe, but future projections of ENSO ...

    • Complex families and health complaints among adolescents: A population-based cross-sectional study 

      Nilsen, Sondre Aasen; Hysing, Mari; Breivik, Kyrre; Heradstveit, Ove; Sunde, Eilif Vingen; Stormark, Kjell Morten; Bøe, Tormod (Peer reviewed; Journal article, 2019)
      Aims: The structure of adolescents’ families has become more complex over the last decades in several western countries. In parallel, health complaints among adolescents appear to have risen in the Nordic countries. This ...

    • Complexity revealed in the greening of the Arctic 

      Myers-Smith, Isla H.; Kerby, Jeffrey T.; Phoenix, Gareth K.; Bjerke, Jarle W.; Epstein, Howard E.; Assmann, Jakob J.; John, Christian; Andreu-Hayles, Laia; Angers-Blondin, Sandra; Beck, Pieter S. A.; Berner, Logan T.; Bhatt, Uma S.; Bjorkman, Anne D.; Blok, Daan; Bryn, Anders; Christiansen, Casper Tai; Cornelissen, J. Hans C.; Cunliffe, Andrew M.; Elmendorf, Sarah C.; Forbes, Bruce C.; Goetz, Scott J.; Hollister, Robert D.; de Jong, Rogier; Loranty, Michael M.; Macias-Fauria, Marc; Maseyk, Kadmiel; Normand, Signe; Olofsson, Johan; Parker, Thomas C.; Parmentier, Frans-Jan W.; Post, Eric; Schaepman-Strub, Gabriela; Stordal, Frode; Sullivan, Patrick F.; Thomas, Haydn J.D.; Tømmervik, Hans; Treharne, Rachael; Tweedie, Craig E.; Walker, Donald A.; Wilmking, Martin; Wipf, Sonja (Peer reviewed; Journal article, 2020)
      As the Arctic warms, vegetation is responding, and satellite measures indicate widespread greening at high latitudes. This ‘greening of the Arctic’ is among the world’s most important large-scale ecological responses to ...

    • Comprehensive Direct Georeferencing of Aerial Images for Unmanned Aerial Systems Applications 

      Correia, Carlos A. M.; Andrade, Fabio Augusto de Alcantara; Sivertsen, Agnar Holten; Guedes, Ihannah Pinto; Pinto, Milena Faria; Manhães, Aline Gesualdi; Haddad, Diego Barreto (Peer reviewed; Journal article, 2022)
      Optical image sensors are the most common remote sensing data acquisition devices present in Unmanned Aerial Systems (UAS). In this context, assigning a location in a geographic frame of reference to the acquired image is ...

    • Computer Vision Based Path Following for Autonomous Unammed Aerial Systems in Unburied Pipeline Onshore Inspection 

      da Silva, Yago M. R.; Andrade, Fabio Augusto de Alcantara; Sousa, Lucas; de Castro, Gabriel G. R.; Dias, João T.; Berger, Guido; Lima, José; Pinto, Milena F. (Peer reviewed; Journal article, 2022)
      Unmanned Aerial Systems (UAS) are becoming more attractive in diverse applications due to their efficiency in performing tasks with a reduced time execution, covering a larger area, and lowering human risks at harmful ...

    • Concept description for the use of fibre-optic measurements for seismic tomography 

      Thomas, Peter James; Heggelund, Yngve; Koedel, Uta; Fechner, Thomas; Butcher, Antony (ACT DigiMon (NORCE);D2.2, Research report, 2021)
      High resolution mapping of CO2 plumes in the geological storage formations can be obtained using cross well seismic experiments designed to characterise velocity changes in the subsurface, see figure 1. High resolution ...

    • Condition monitoring and maintenance for fibre rope moorings in offshore wind 

      Nordgård-Hansen, Ellen Marie; Schlanbusch, Rune (Research report, 2023)
      The FIRM project aims to develop innovative mooring systems for floating wind farms based on fibre ropes, including new and more efficient methods for installation, condition monitoring, maintenance, and decommissioning. ...

    • Condition monitoring of hydraulic cylinder seals using acoustic emissions 

      Shanbhag, Vignesh Vishnudas; Meyer, Thomas; Schlanbusch, Rune; Caspers, Leo (Peer reviewed; Journal article, 2020)
      In recent years, there has been a growing concern for fluid spill from hydraulic cylinders in the offshore oil and gas industry. To diagnose the leakage from hydraulic cylinders, there have been attempts made in literature ...