• The few touch digital diabetes diary : user-involved design of mobile self-help tools for peoplewith diabetes 

      Årsand, Eirik (Doctoral thesis; Doktorgradsavhandling, 2009-12-10)
      Paradoxically, the technological revolution that has created a vast health problem due to a drastic change in lifestyle also holds great potential for individuals to take better care of their own health. The first consequence is not addressed in this dissertation, but the second represents the focus of the work presented, namely utilizing ICT to support self-management of individual health challenges. ...
    • Fluid flow at the Snøhvit field, SW Barents Sea: processes, driving mechanisms and multi-phase modelling 

      Tasianas, Alexandros (Doctoral thesis; Doktorgradsavhandling, 2017-07-03)
      The research undertaken in this PhD project was part of a large EU interdisciplinary project named ECO2: Sub-seabed CO2 Storage: Impact on Marine Ecosystems. The overall goal of the ECO2 project was to understand the short-term and long-term impacts of CO2 storage on marine ecosystems. I concentrated my work on the Snøhvit site, which is located in the SW Barents Sea, on the Norwegian continental ...
    • From being interrupted by mobile devices to CallMeSmart: A context-sensitive communication system for mobile communication in hospitals 

      Solvoll, Terje Geir (Doctoral thesis; Doktorgradsavhandling, 2013-08-22)
      Wireless communication infrastructure in hospitals represents a core for information sharing between health care workers. Medical staff’s work situation is highly mobile, and important information is constantly shared between co-workers to provide high quality services to the patients. To be able to communicate at any place and at any time during shifts, physicians carry mobile communication devices, ...
    • A functional and structural study of three bacterial nucleic acid-interacting proteins. The story of a Ferric Uptake Regulator, an Oligoribonuclease and an ATP-dependent DNA ligase 

      Berg, Kristel (Doctoral thesis; Doktorgradsavhandling, 2020-02-07)
      Nucleic acid-interacting proteins are essential players in cellular processes of all living organisms. In the present study, we explore three psychrophilic-derived proteins involved in gene regulation, RNA degradation and DNA ligation in bacterial cells, with one common feature; they perform their activity by interacting with nucleic acids. The Ferric uptake regulator (Fur) is a global transcription ...
    • Geochemistry of sediment-hosted copper deposits and their environmental impact: A case study from the Nussir and Ulveryggen deposits, Repparfjord Tectonic Window, Northern Norway 

      Mun, Yulia (Doctoral thesis; Doktorgradsavhandling, 2019-11-07)
      Modern growing economy and technology require metals. Therefore mining is an unavoidable process. Mining in its turn results in the production of large amounts of mine waste. This research is focused on one type of mine waste, mine tailings, formed after the processing of Cu-sulphides deposits. Acid mine drainage (AMD) is a consequence of the oxidation of sulphide-rich rocks and has a drastic impact ...
    • Geoelectrical structures beneath Spitsbergen-Svalbard derived from magnetotelluric imaging 

      Beka, Thomas Ibsa (Doctoral thesis; Doktorgradsavhandling, 2016-05-27)
      In this thesis a series of geophysical surveys are carried out on the geologically important and remote Svalbard using magnetotelluric imaging, to constrain better the geology particularly defining geothermal resources. Magnetotellurics (MT) relays on natural source time-varying electric and magnetic field data measured at the earth’s surface in order to derive the subsurface resistivity structure. ...
    • Geophysical characterizations of fluid flow and gas-hydrate systems of the NW-Svalbard and SW-Barents Sea margins 

      Rajan, Anupama (Doctoral thesis; Doktorgradsavhandling, 2013-02-06)
      The thesis consists of four parts and its four main objectives are: (1) to establish a potential link between serpentinization beneath a young sedimented-ocean ridge and carbon release and gas hydrate formation directly above it, (2) to understand the coexistence of free gas and gas-hydrate and to image the geophysical evidence for a geologically controlled gas hydrate, fluid migration pathway and ...
    • Glucose Regulation for In-Silico Type 1 Diabetes Patients Using Reinforcement Learning 

      Tejedor Hernández, Miguel Ángel (Doctoral thesis; Doktorgradsavhandling, 2021-05-07)
      Type 1 diabetes is a metabolic disorder characterized by high blood glucose levels as a consequence of deficiency of the hormone insulin, requiring the patient to follow a strict personalized protocol of food intake, subcutaneous insulin administration as a lifelong treatment for the high blood glucose levels, and exercise. This condition leads to acute complications, damaging several organs and ...
    • Ground Dynamics in the Norwegian Periglacial Environment Investigated by Synthetic Aperture Radar Interferometry 

      Rouyet, Line (Doctoral thesis; Doktorgradsavhandling, 2021-09-10)
      Cold polar and mountainous periglacial environments are characterised by highly dynamic ground surfaces that move under the action of frost and gravity, and contribute to shaping the landscape. The movement rates and directions are spatially and temporally variable, depending on the involved periglacial processes and their environmental controlling factors. Spaceborne Synthetic Aperture Radar (SAR) ...
    • HealthTrust: trust-based retrieval of health social media videos 

      Fernandez-Luque, Luis (Doctoral thesis; Doktorgradsavhandling, 2014-10-24)
      There is a global trend towards the use of the Internet to search for information about health issues. We have access to a wide range of online health information; especially the so-called social media (e.g. blogs, videos). However, finding good quality resources is not easy in the current context of information overload. Today, very relevant and valuable health social media has to compete in ...
    • Higher-order SCF response functions in a quasi-energy formulation 

      Thorvaldsen, Andreas J. (Doctoral thesis; Doktorgradsavhandling, 2008-09-30)
      This thesis is concerned with computer modelling of molecules interacting with electromagnetic radiation (light, radio waves, etc.), static electric and magnetic fields (in the laboratory), as well as approximate treatments of the motions of the molecules' atomic nuclei (vibration). Compared to interactions between electrons or between electron and nucleus, these interactions are small, and well ...
    • Holocene glacier history of Svalbard: Retracing the style of (de-)glaciation 

      Farnsworth, Wesley Randall (Doctoral thesis; Doktorgradsavhandling, 2018-12-06)
      Through the Holocene, Svalbard glaciers have exhibited at least two phases of re-advance, one during the Early Holocene and another throughout the entire Late Holocene. No geomorphological features have been identified corresponding to glacier re-advances between 9.0 – 4.5 ka BP. The Early Holocene glacier re-advances identified across Svalbard and they correspond to a diverse range of glacier sizes. ...
    • A Holocene palaeoceanographic multi-proxy study on the variability of Atlantic water inflow and sea ice distribution along the pathway of Atlantic water 

      Berben, Sarah (Doctoral thesis; Doktorgradsavhandling, 2014-10-14)
      The aim of this PhD thesis is to deliver improved quantitative reconstructions of sub-surface temperatures, salinities and seasonal sea ice distribution. Additionally, the natural variability of Atlantic water inflow and seasonal sea ice distribution and possible forcing mechanisms such as solar insolation, atmospheric circulation patterns (e.g. North Atlantic Oscillation (NAO)) and atmosphere-sea ...
    • Holocene precipitation seasonality on Svalbard and in Northern Fennoscandia reconstructed using organic geochemical and stable isotope proxies 

      Kjellman, Sofia Elisabeth (Doctoral thesis; Doktorgradsavhandling, 2022-09-23)
      The Arctic experiences faster climate change than the global average. Feedback mechanisms between the atmosphere, cryosphere and the oceans amplify the warming, and intensify the water cycle. Arctic precipitation is projected to increase because of enhanced winter evaporation due to diminishing sea ice, increased poleward moisture transport in summer, and increased atmospheric moisture content in ...
    • Homogeneous Metal-Mediated Carboxylation with Carbon Dioxide 

      Obst, Marc (Doctoral thesis; Doktorgradsavhandling, 2020-09-04)
      CO<sub>2</sub> is a non-toxic, abundant and readily available gas, which has the potential to become an important carbon source in chemical synthesis. The clear advantage of CO<sub>2</sub> is its sustainability, in contrast to typical carbon sources such as oil, coal, or natural gas, which are in the process of depletion. However, the use of CO<sub>2</sub> also poses a big challenge as it features ...
    • Hydrological Modelling and Climate Change Impact Assessment on Future Floods in the Norwegian Arctic Catchments 

      Bui, Minh Tuan (Doctoral thesis; Doktorgradsavhandling, 2022-08-26)
      Climate change is expected to alter the hydrological cycle in the Arctic, which would result in the increase in intensity and frequency of hydrological extreme events such as flooding. Noticeably, the changes in flooding due to climate change would severely affect human life, infrastructures, the environment, ecosystem, and socio-economic development in the impacted areas. Hydrological models are ...
    • Ice in Norwegian subarctic fjords and coastal regions: An examination of ice formation, properties, and trends based on remote sensing and in situ data 

      O'Sadnick, Megan (Doctoral thesis; Doktorgradsavhandling, 2022-09-16)
      Larger fjords along the Norwegian coast are ice free all year due to the influence of warm Atlantic water, however, sea ice can form in the inner parts of fjords and in smaller fjord branches. While a wide breadth of work exists examining mainland Norwegian fjords often focused on water mass dynamics and their link to biological processes, little research has been conducted on specifically sea ice ...
    • Ice rafting, Ocean circulation and Glacial activity on the western Svalbard margin 0–74 000 years BP 

      Jessen, Simon Pind (Doctoral thesis; Doktorgradsavhandling, 2015-03-27)
      The thesis builds on 11 sediment cores from c. 600 to 1900 m water depth from the continental slope west of Svalbard and one core from the Barents Sea shelf. Together, the cores cover the last 74,000 years. The primary goal was to gain a better insight in ocean circulation and glacial activity in a climatic context on glacial-interglacial and millennial time scales. The main parameters studied are ...
    • Ice Shelf - Ocean Interaction in the Eastern Weddell Sea, Antarctica 

      Hattermann, Tore (Doctoral thesis; Doktorgradsavhandling, 2012-12-10)
      This thesis investigates the interaction of the Antarctic ice shelves along the coast of Dronning Maud Land with the ocean circulation in the Eastern Weddell Sea. A set of direct oceanic observations below the Fimbul Ice Shelf, which were acquired during three Antarctic field seasons in the austral summers 2009/10, 2010/11 and 2011/12, is a central element of the presented work. This new oceanographic ...
    • Improving Latency in Mobile/Cloud Applications 

      Pettersen, Robert Molund (Doctoral thesis; Doktorgradsavhandling, 2016-08-25)
      Smartphones are becoming comparable to desktop computers in terms of computational power, and offer diverse applications ranging from social media and gaming, to multimedia and banking. A particular class of mobile applications, mobile/cloud applications, are tightly coupled with the cloud. While executing on the mobile device, they communicate frequently with the cloud for crucial functionality. Use ...