• Image processing, filtering and segmentation of data-sets for reservoir simulation 

      Gurholt, Tiril Pedersen (Doctoral thesis, 2013-10-11)
      Paper A: 2-D Visualisation of Unstable Waterflood and Polymer Flood for Displacement of Heavy Oil. Full-text not available in BORA. The published version is available at: http://dx.doi.org/10.2118/154292-ms
    • Impact and detectability of hypothetical CCS offshore seep scenarios as an aid to storage assurance and risk assessment 

      Blackford, Jerry; Alendal, Guttorm; Avlesen, Helge; Brereton, Ashley; Cazenave, Pierre W; Chen, Baixin; Dewar, Marius; Holt, Jason; Phelps, Jack (Journal article; Peer reviewed, 2020)
      Carbon Capture and Storage has the potential to make a significant contribution to the mitigation of climate change, however there is a regulatory and societal obligation to demonstrate storage robustness and minimal local ...
    • Impact of compressibility in vertically integrated models for CO2 storage 

      Reistad, Silje Rognsvåg (Master thesis, 2012-06-01)
      Recent work have shown that simplified models obtained by vertical integration give reasonable approximations for CO2 migration. Most of the work previously done on this topic assumes that CO2 is an incompressible fluid, ...
    • Impact of drone route geometry on information collection in wireless sensor networks 

      Konstantinos, Skiadopoulos; Giannakis, Konstantinos; Tsipis, Athanasios; Oikonomou, Konstantinos; Stavrakakis, Ioannis (Journal article; Peer reviewed, 2020-09)
      The recent technological evolution of drones along with the constantly growing maturity of its commercialization, has led to the emergence of novel drone-based applications within the field of wireless sensor networks for ...
    • The impact of local-scale processes on large-scale CO2 migration and immobilization 

      Gasda, Sarah Eileen; Nordbotten, Jan Martin; Celia, Michael A. (Peer reviewed; Journal article, 2011)
      Storage security of injected carbon dioxide (CO2) is an essential component of risk management for geological carbon sequestration operations. During the injection and early post-injection periods, CO2 leakage may occur ...
    • Impact of parents' education on variation in hospital admissions for children: a population-based cohort study 

      Olsen, Frank; Balteskard, Lise; Uleberg, Bård Erling; Jacobsen, Bjarne K.; Heuch, Ivar; Moen, Atle (Journal article; Peer reviewed, 2021)
      Objectives To assess the impact of parental educational level on hospital admissions for children, and to evaluate whether differences in parents' educational level can explain geographic variation in admission rates. ...
    • Impact of temporomandibular joint complaints on tinnitus-related distress 

      Edvall, Niklas K; Gunan, Edis; Genitsaridi, Eleni; Lazar, Andra; Mehraei, Golbarg; Billing, Mattias; Tullberg, Marie; Bulla, Jan; Whitton, Jonathon; Canlon, Barbara; Hall, Deborah A; Cederroth, Christopher R (Peer reviewed; Journal article, 2019-08-22)
      There is increasing evidence of associations between the presence of temporomandibular joint (TMJ) disorders and tinnitus. It has been recently proposed that tinnitus patients with TMJ complaints could constitute a subtype, ...
    • Impact of time-dependent wettability alteration on the dynamics of capillary pressure 

      Kassa, Abay; Gasda, Sarah; Kumar, Kundan; Radu, Florin Adrian (Journal article; Peer reviewed, 2020)
      Wettability is a pore-scale property that has an important impact on capillarity, residual trapping, and hysteresis in porous media systems. In many applications, the wettability of the rock surface is assumed to be constant ...
    • Impacts of Peak-Flow Events on Hyporheic Denitrification Potential 

      Singh, Tanu; Gupta, Shubhangi; Chiogna, Gabriele; Krause, Stefan; Wohlmuth, Barbara Irmgard (Journal article; Peer reviewed, 2022)
      Subsurface flows, particularly hyporheic exchange fluxes, driven by streambed topography, permeability, channel gradient and dynamic flow conditions provide prominent ecological services such as nitrate removal from streams ...
    • Implementation of an MPFA/MPSA-FV Solver for the Unsaturated Flow in Deformable Porous Media 

      Varela, Jhabriel (Master thesis, 2018-06-22)
      The Unsaturated Flow In Deformable Porous Media (UFIDPM) plays a crucial role in several academic and industrial applications such as; cracks induced by desiccation, collapsing soils, ground movement involving expansive ...
    • Implementation of mixed-dimensional models for flow in fractured porous media 

      Keilegavlen, Eirik; Fumagalli, Alessio; Berge, Runar Lie; Stefansson, Ivar (Peer reviewed; Journal article, 2019)
      Models that involve coupled dynamics in a mixed-dimensional geometry are of increasing interest in several applications. Here, we describe the development of a simulation model for flow in fractured porous media, where the ...
    • Implications of Protected Areas to Optimal Management of Marine Resources 

      Kvamsdal, Sturla Furunes (Master thesis, 2005)
      The thesis explores how the introduction of a marine protected area influences the optimal management of a marine resource, i.e. fish stock. Logistic growth functions are applied to a deterministic model with a migration ...
    • Implicit linearization scheme for nonstandard two-phase flow in porous media 

      Kassa, Abay; Kumar, Kundan; Gasda, Sarah; Radu, Florin Adrian (Journal article; Peer reviewed, 2021)
      In this article, we consider a nonlocal (in time) two‐phase flow model. The nonlocality is introduced through the wettability alteration induced dynamic capillary pressure function. We present a monotone fixed‐point iterative ...
    • Improving Sequential Decisions – Efficiently Accounting for Future Learning 

      Wang, Lingya; Oliver, Dean (Journal article; Peer reviewed, 2021)
      In sequential field development planning, past decisions not only directly affect the maximum achievable expected NPV but also influence the future information that can be used to reduce geological uncertainty. To act ...
    • Improving the error rates of the Begg and Mazumdar test for publication bias in fixed effects meta-analysis 

      Gjerdevik, Miriam; Heuch, Ivar (Peer reviewed; Journal article, 2014-09-22)
      Background: The rank correlation test introduced by Begg and Mazumdar is extensively used in meta-analysis to test for publication bias in clinical and epidemiological studies. It is based on correlating the standardized ...
    • Inexact linear solvers for control volume discretizations in porous media 

      Keilegavlen, Eirik; Nordbotten, Jan Martin (Peer reviewed; Journal article, 2014-12-03)
      We discuss the construction ofmulti-level inexact linear solvers for control volume discretizations for porous media. The methodology forms a contrast to standard iterative solvers by utilizing an algebraic hierarchy of ...
    • The influence of directional spreading on rogue waves triggered by abrupt depth transitions 

      Tang, Tianning; Moss, Charlotte; Draycott, Samuel; Bingham, Harry B.; Van Den Bremer, Ton S.; Li, Yan; Adcock, Thomas A.A. (Journal article; Peer reviewed, 2023)
      An increased number of rogue waves, relative to standard distributions, can be induced by unidirectional waves passing over abrupt decreases in water depth. We investigate this phenomenon in a more general setting of ...
    • Influence of natural convection in a porous medium when producing from borehole heat exchangers 

      Bringedal, Carina; Berre, Inga; Nordbotten, Jan Martin (Peer reviewed; Journal article, 2013-08)
      Convection currents in a porous medium form when the medium is subject to sufficient heating from below (or equivalently, cooling from above) or when cooled or heated from the side. In the context of geothermal energy ...
    • Injective braids, braided operads and double loop spaces 

      Solberg, Mirjam (Master thesis, 2011-06-01)
      We construct the category of B-spaces, which is a braided monoidal diagram category. This category is Quillen equivalent to the category of simplicial sets. The induced equivalence of homotopy categories maps a commutative ...
    • Insights from cardiopulmonary exercise testing in pediatric patients with hypertrophic cardiomyopathy 

      Gallo, Giovanna; Mastromarino, Vittoria; Limongelli, Giuseppe; Calcagni, Giulio; Maruotti, Antonello; Ragni, Luca; Valente, Fabio; Musumeci, Beatrice; Adorisio, Rachele; Rubino, Marta; Autore, Camillo; Magrì, Damiano (Journal article; Peer reviewed, 2021)
      The usefulness of cardiopulmonary exercise test (CPET) in adult hypertrophic cardiomyopathy (HCM) patients is well-known, whereas its role in pediatric HCM patients has not yet been explored. The present study investigates ...