Recent additions

  • Resilience Assessment of Wind Farms in the Arctic with the Application of Bayesian Networks 

    Mustafa, Albara; Barabadi, Abbas (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-07-22)
    Infrastructure systems, such as wind farms, are prone to various human-induced and natural disruptions such as extreme weather conditions. There is growing concern among decision makers about the ability of wind farms to withstand and regain their performance when facing disruptions, in terms of resilience-enhanced strategies. This paper proposes a probabilistic model to calculate the resilience of ...
  • The pure PV-EV energy system – A conceptual study of a nationwide energy system based solely on photovoltaics and electric vehicles 

    Boström, Tobias; Babar, Bilal; Hansen, Jonas Berg; Good, Clara (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-03-08)
    The objective of this conceptual study is to reveal the substantial potential and synergy of solar energy and electric vehicles (EVs) working together. This potential is demonstrated by studying the feasibility of a nationwide energy system solely reliant on solar energy and EVs. Photovoltaic (PV) solar energy is already an important energy source globally, but due to its intermittency it requires ...
  • The Arctic and Africa in China’s Foreign Policy: How Different Are They and What Does This Tell Us? 

    Pursiainen, Christer Henrik; Alden, Chris; Bertelsen, Rasmus Gjedssø (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-02-08)
    The article discusses China’s policies in and towards the Arctic and Africa within a comparative perspective. To what extent is China’s policy adaptable to different conditions? What does this adaptability tell us about China’s ascendant great-power role in the world in general? What is the message to the Arctic and Africa respectively? The article concludes that China’s regional strategies aptly ...
  • Assessing probabilistic modelling for wind speed from numerical weather prediction model and observation in the Arctic 

    Chen, Hao (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-04-07)
    Mapping Arctic renewable energy resources, particularly wind, is important to ensure the transition into renewable energy in this environmentally vulnerable region. The statistical characterisation of wind is critical for effectively assessing energy potential and planning wind park sites and is, therefore, an important input for wind power policymaking. In this article, different probability density ...
  • An AIS-based deep learning framework for regional ship behavior prediction 

    Murray, Brian; Perera, Lokukaluge Prasad (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-05-27)
    This study presents a deep learning framework to support regional ship behavior prediction using historical AIS data. The framework is meant to aid in proactive collision avoidance, in order to enhance the safety of maritime transportation systems. In this study, it is suggested to decompose the historical ship behavior in a given geographical region into clusters. Each cluster will contain trajectories ...
  • The Resilience of Critical Infrastructure Systems: A Systematic Literature Review 

    Mottahedi, Adel; Sereshki, Farhang; Ataei, Mohammad; Nouri, ali; Barabadi, Abbas (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-03-12)
    Risk management is a fundamental approach to improving critical infrastructure systems’ safety against disruptive events. This approach focuses on designing robust critical infrastructure systems (CISs) that could resist disruptive events by minimizing the possible events’ probability and consequences using preventive and protective programs. However, recent disasters like COVID-19 have shown that ...
  • Hazards identification and risk assessment for UAV– assisted bridge inspections 

    Aliyari, Mostafa; Ashrafi, Behrooz; Ayele, Yonas Zewdu (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-01-07)
    Unmanned Aerial Vehicles (UAV) technology has found its way into several civilian applications in the last 20 years, predominantly due to lower cost and tangible scientific improvements. In its application to structural bridge inspection, UAVs provide two main functions. The first, being the most common, detect damage through visual sensors. The 2 D image data can be used to quickly establish a basic ...
  • An overall performance index for wind farms: a case study in Norway Arctic region 

    Mustafa, Albara; Barabadi, Abbas; Markeset, Tore; Naseri, Masoud (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-06-12)
    Wind farms (WFs) experience various challenges that affect their performance. Mostly, designers focus on the technical side of WFs performance, mainly increasing the power production of WFs, through improving their manufacturing and design quality, wind turbines capacity, their availability, reliability, maintainability, and supportability. On the other hand, WFs induce impacts on their surroundings, ...
  • Learning from crisis: the 2015 and 2017 avalanches in Longyearbyen 

    Sydnes, Are K.; Sydnes, Maria; Hamnevoll, Helle (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-10-27)
    Longyearbyen has been hit by two avalanches in 2015 and 2017 causing severe damages to housing and two fatalities. In this study we investigate organised learning processes regarding emergency preparedness and response following the avalanches. Longyearbyen provides a case of particular interest as climatic change rapidly is altering the environmental conditions, including the risk of avalanches.< ...
  • Ship behavior prediction via trajectory extraction-based clustering for maritime situation awareness 

    Murray, Brian; Perera, Lokukaluge Prasad (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-03-20)
    This study presents a method in which historical AIS data are used to predict the future trajectory of a selected vessel. This is facilitated via a system intelligence-based approach that can be subsequently utilized to provide enhanced situation awareness to navigators and future autonomous ships, aiding proactive collision avoidance. By evaluating the historical ship behavior in a given geographical ...
  • Russia's Critical Infrastructure Policy: What do we Know About it? 

    Pursiainen, Christer Henrik (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-10-29)
    The article is an analytical state-of-the-art review of the Russian Federation’s critical infrastructure policy, starting from the 1990s but zooming in on the current situation. The article discusses what does critical infrastructure mean in the Russian context. It explores the country’s threat scenarios in this field, and asks what part is played by cyber security threats in this context. Further, ...
  • Selecting technological alternatives for regulatory compliance towards emissions reduction from shipping: An integrated fuzzy multi-criteria decision-making approach under vague environment 

    Bui, Khanh Q.; Ölçer, Aykut I.; Kitada, Momoko; Ballini, Fabio (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-02-01)
    Due to the increasing pressure from stricter environmental regulations to reduce emissions in shipping, the maritime industry has been striving for finding more effective measures. Existing measures are often not enough to comply with new regulations. Among various alternative measures, it is not easy for decision-makers (shipowners and operators) to choose the most suitable alternative measure as ...
  • Norway-Russia disaster diplomacy for Svalbard 

    Kelman, Ilan; Sydnes, Are K.; Duda, Patrizia Isabelle; Nikitina, Elena; Webersik, Christian (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-07-03)
    The Arctic is frequently framed as a region of disaster and conflict, as well as of opportunity and cooperation. Disaster diplomacy is one approach for examining how dealing with disasters might or might not affect conflict and cooperation, yet little work on Arctic disaster diplomacy has been completed, especially regarding specific bilateral relations. This paper contributes to filling in this gap ...
  • Life in Anticipation of Wind Power Development: Three Cases from Coastal Norway 

    Staupe-Delgado, Reidar; Coombes, Philip R. (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-12-21)
    Wind power development, whilst welcomed by many as a potentially green source of energy, also gives rise to considerable local resistance. Drawing on three case studies from coastal Norway (Frøya, Haramsøy, and Egersund), the present article sets out to reflect on life in anticipation of wind power development. Reflecting on the nature of life in anticipation of undesired wind power developments, ...
  • Time to Rescue for Different Paths to Survival Following a Marine Incident 

    Solberg, Knut Espen; Jensen, Jan Erik; Barane, Endre; Hagen, Snorre; Kjøl, Andreas; Johansen, Gudmund; Gudmestad, Ove Tobias (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-12-07)
    The time required for rescue is a critical factor for surviving a marine incident. The regulatory framework, International Maritime Organization (IMO) Polar Code, utilizes a risk-based approach. It states that the vessel operators are to define the time required for rescue but never less than 5 days. Based on experience from the classification society DNV GL, utilization of the minimum requirement ...
  • Evaluating the effects of watershed subdivision on hydrological simulation by SWAT model in an Arctic watershed 

    Bui, Minh Tuan; Lu, Jinmei; Nie, Linmei (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-12-04)
    The hydrological model SWAT is a state-of-the-art tool for environmental and water resources management. Like other semi-distributed models, the whole river basin in the SWAT model is delineated into smaller sub-basins prior to conducting the simulation. Watershed delineation is an importance step since it could potentially influence the modelling results. The present study aimed to conducte an ...
  • Sensitivity analysis of the SWAT model to spatial distribution of precipitation in streamflow simulation in an Arctic watershed 

    Bui, Minh Tuan; Lu, Jinmei; Nie, Linmei (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-12-04)
    This study approached a physically based, semi-distributed SWAT model to test the model sensitivity to the spatial distribution of precipitation. Ten scenarios of precipitation from five scattered rain gauges in an Arctic watershed Målselv in northern Norway were used as inputs to run the SWAT model. Streamflows were simulated. The model runs at monthly time interval based on the historical data of ...
  • Active learning for enhanced understanding of "ship damage stability" 

    Johansen, Kåre; Batalden, Bjørn-Morten (Book; Chapter, 2018)
    Active Learning has always played an important part of seamen’s education. Transfer of experience have from ancient time been practiced in an active learner-centered field where unexperienced seamen got involved in their own learning by being supervised by experienced seamen, when practicing seaman related activities. This learning practice was supreme before the introduction of “modern” maritime ...
  • Glacial ice impacts: Part II: Damage assessment and ice-structure interactions in accidental limit states (ALS) 

    Yu, Zhaolong; Lu, Wenjun; van den Berg, Marnix; Amdahl, Jørgen; Løset, Sveinung (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-10-28)
    Floating glacial ice features of various sizes pose a substantial threat to the structural integrity of offshore structures in ice-prone regions. Relatively small ice feathers, e.g., bergy bits and growlers, are a major concern because they are more difficult to detect by marine radars and perform concurrent ice management operations, especially in extreme sea states.<p> <p>This two-part companion ...
  • Stability of Vessels in an Ice-free Arctic 

    Johansen, Kåre; Sollid, Magne-Petter; Gudmestad, Ove Tobias (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-09)
    One consequence of the declining ice cover in the Arctic is increased areas of open seas. These new open sea areas lead to some challenging aspects related to ship stability. Longer fetch lengths, associated with build-up of larger waves followed by increased conditions for sea spray icing on vessels is one aspect. Open seas in combination with cold atmospheric temperatures is a prerequisite for ...

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