Viser treff 81-100 av 506

    • “Here, I will stay until I die”—exploring the relationship between place attachment, risk perception, and coping behavior in two small Norwegian communities 

      Lie, Leikny Bakke; de Korte, Laurien; Pursiainen, Christer Henrik (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-08-25)
      This empirical study explores the interplay between place attachment, risk perception, and coping behavior, within two small Norwegian communities exposed to flash flooding. Through a mixed-methods narrative approach, we found that most of our respondents exhibited positive attachment to their communities, aligning with previous studies in rural settings. Using a conceptual model of place attachment ...
    • Enemy image? A comparative analysis of the Russian federation’s role and position in the leading national security documents of Estonia and the Czech Republic 

      Bartoszewicz, Monika Gabriela; Prucková, Michaela (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-06-14)
      States are security-seekers vis-a-vis ‘significant others’ who are cast as enemies in the international system. Usually, the study of the enemy image is connected with relative equilibrium concerning power capabilities. Less attention was given to a situation of a decisive power imbalance. Thus, a question arises whether such a situation will lead to a uniform enemy image? Concomitantly, what is the ...
    • From East to East: Reconceptualization of NATO’s Eastern Flank Engagement in the Middle East 

      Bartoszewicz, Monika Gabriela; Pavlíčková, Kristýna (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-07-06)
      The role of the North Atlantic Treaty Organization and its influence on the peace and conflict dynamic in the Middle East has always been a discussed and controversial issue. While the United States and the countries of the NATO Southern flank are active in the discussions on NATO engagement in the region, the perspectives of NATO Eastern flank countries is often forgotten. This work contributes to ...
    • Arctic Heritage at Risk: Insights into How Remote Sensing, Robotics and Simulation Can Improve Risk Analysis and Enhance Safety 

      Lintott, Bryan John; Rees, Gareth (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-01-23)
      Increased and enhanced utilisation of remote sensing and robotics in the Arctic can further enhance cultural safety and well-being and reduce the risks posed to archaeologists, heritage workers and others in the field. In this preliminary scoping survey, the authors review the current use of these technologies and consider a range of related issues, from cultural safety to nefarious use by criminals. ...
    • Kinematic motion models based vessel state estimation to support advanced ship predictors 

      Wang, Yufei; Perera, Lokukaluge Prasad Channa; Batalden, Bjørn-Morten (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-08-14)
      Advanced ship predictors can generally be considered as a vital part of the decision-making process of autonomous ships in the future, where the information on vessel maneuvering behavior can be used as the source of information to estimate current vessel motions and predict future behavior precisely. As a result, the navigation safety of autonomous vessels can be improved. In this paper, vessel ...
    • Effect of temperature on the leaching of heavy metals from nickel mine tailings in the arctic area, Norway 

      Fu, Shuai; Lu, Jinmei; Walder, Ingar; Wu, Daishe (Journal article; Tidsskriftartikkel; Peer reviewed, 2023)
      The leaching of heavy metals from tailings deposit due to the oxidation of sulphidic tailings and formation of acidic leachate is considered a high risk to the surrounding environment. Temperature plays an important role in the leaching of heavy metals from tailings in changing acid-based environment, especially in the Arctic area. To investigate how the temperature variation affected metal release ...
    • Towing of Floating Wind Turbine Systems 

      Jayachandran Nair, Rohith (Master thesis; Mastergradsoppgave, 2020-07-11)
      Towing is an important marine operation and floating wind turbines are the new way forward in our ever-expanding need for energy. In offshore floating wind turbine installation process, transport is an important phase. Presently, the turbines are assembled on shore and then towed to the installation spot one at a time. In this thesis, the theory behind the towing operation, modelling and simulation ...
    • Factors influencing the time required to don thermal protective immersion suits correctly 

      Azizpour, Hooshyar; Galea, Edwin R.; Erland, Sveinung; Batalden, Bjørn-Morten; Deere, Steven; Oltedal, Helle Asgjerd (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-05-10)
      The cold environment in polar regions introduces additional challenges when abandoning passenger vessels and offshore facilities. The International Maritime Organization Polar Code requires vessels operating in polar regions to be equipped with approved thermal protective immersion suits (TPIS) that can be donned unassisted within 120 s. As time is critical during an evacuation, quantifying the Net ...
    • What makes an acute emergency? Temporal manifestation patterns and global health emergencies 

      Staupe, Reidar; Rubin, Olivier (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-06-09)
      In this article, we consider the role that onset patterns play in shaping how acute global events are taken to be, drawing on illustrative cases from the field of global health emergencies. We identify four temporal manifestation patterns that we argue display distinct political dynamics. First, an emergent onset pattern (e.g. the H1N1 health emergency), with political dynamics dominated by ...
    • Against the Trend-An tentative Data Analysis Method using Classical Regression against Machine Learning Approach 

      Yuan, Fuqing; Lu, Jinmei (Journal article; Tidsskriftartikkel, 2019)
      The machine learning approach is a new hot topic in recent years that are widely used in different sections, including industries, economy, disaster prediction and politics. After decades’ of development, the available machine learning algorithms are numerous and diverse. Traditional methods such as regression, classical statistical methods, are unfortunately laid aside as non-mainstream. This paper ...
    • UAV as an inspection tool for power lines in Troms: Assessment of UAVs as a viable alternative to already established methods for inspection of power lines. 

      Ubeda-Nordnes, Jonathan (Master thesis; Mastergradsoppgave, 2018-06-02)
      Power line inspection is one of the most important things in a modern society, and therefore it is important that it be kept in a functional state. Because of this, many methods are used to keep it that way. There are many factors to consider before using UAVs as a viable alternative to already established methods. Factors such as robustness against harsh weather, limits to its range and battery ...
    • Modern Army for Modern Times or Private Paramilitary? Polish Territorial Defense Force as a Benchmark Case in Conflict Evolution 

      Fornusek, Martin; Bartoszewicz, Monika Gabriela (Journal article; Tidsskriftartikkel, 2023)
      The new Polish military branch, the Territorial Defense Force (TDF), has been described both as a defensive tool against Russian hybrid warfare and as a private paramilitary force of the incumbent Law and Justice Party. This paper examines the strategic, political, and military purposes of the Territorial Defense Force using two theoretical models. One is designed for analyzing units intended to ...
    • Segmentation of Polar Mesospheric Summer Echoes using Fully Convolutional Network 

      Domben, Erik Seip (Master thesis; Mastergradsoppgave, 2023-04-26)
      Polar Mesospheric Summer Echoes (PMSE) are strong coherent radar echoes that occur in the 80 to 90 km altitude range of the mesosphere during the Arctic summer months. These echoes are of significant interest to the space physics community as they provide insight into changes that occur in the atmosphere. To better understand these changes, large datasets of PMSE echoes need to be analysed. In ...
    • How is reporting used to increase the safety in adventure tourism? 

      Lunde, Stig Magnus (Master thesis; Mastergradsoppgave, 2023-02-11)
      Modern land-based tourism in Longyearbyen had its beginning in the early 90s, but ships with tourists visiting Svalbard can be traced back as far as 1807. Over the past 20 years, the interest in Svalbard as a tourist destination has increased significantly, which has led to a rapid increase in the number of visitors. This relatively young industry have had to constantly adapt to this increased number ...
    • Bracing for turmoil: temporalities of livelihood adaptation among informal workers in Facatativá, Colombia 

      Staupe-Delgado, Reidar; Diaz Villarreal, Luis Eduardo (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-04-19)
      his study considers temporal aspects of livelihood adaptation in times of turmoil by drawing on interviews with informal street vendors in Facatativá, Colombia. By engaging a ‘time stories’ perspective, this article aims to provide a better understanding of how livelihood responses to shocks emerge from (and are constrained by) individuals’ initial and changing assumptions about the continued ...
    • Spray Icing on ONEGA Vessel- A Comparison of Liquid Water Content Expressions 

      Dhar, Sushmit; Samuelsen, Eirik Mikal; Naseri, Masoud; Aarsæther, Karl Gunnar; Edvardsen, Kåre (Journal article; Tidsskriftartikkel, 2022)
      The hazards associated with ice accretion primarily due to impinging freezing sea spray on ship structures are considered among serious safety concerns for ships operating in the colder regions. An accurate sea-spray icing-estimation model to evaluate the ice accumulation during operations in these regions can make marine operations safer. The accuracy of the present icing models for estimating icing ...
    • Lean Production – One path to organizational Resilience? 

      Sydnes, Maria; Gausdal, Anne Haugen; Åssveen, Ingrid Dahl (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-11-07)
      In this in­depth single­case study from a large international aerospace and defence company, we ask the following research question: In what ways does lean production influence organizational resilience? Our findings suggest that various lean practices, such as lean meetings, using lean tools and a lean production­inspired organizational culture promote the development of organizational capabilities ...
    • The process of integrating risk management: usefulness, standardisation and adaptation 

      Leonhardsen, Mette; Nilsen, Aud Solveig; Olsen, Odd Einar Falnes (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-08-25)
      In this paper we analyse how a municipality set out to integrate risk management throughout an organisation with more than 9000 employees in six divisions and over 100 sub-units. An objective was to ensure coherence in risk management related work conducted in various sub-units in the municipality. Being forerunners, those involved had to find their own way. We identify three focus areas of importance ...
    • Vertical profiles of black carbon and nanoparticles pollutants measured by a tethered balloon in Longyearbyen (Svalbard islands) 

      Cappelletti, David; Petroselli, Chiara; Mateos, David; Herreras, Marcos; Ferrero, Luca; Losi, Niccolò; Gregorič, Asta; Frangipani, Claudia; La Porta, Gianandrea; Lonardi, Michael; Chernov, Dmitry; Dekhtyareva, Alena (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-09-09)
      Airborne meteorological and aerosol measurements have been performed in Longyearbyen (Svalbard islands) in the summer of 2018, coupling an instrumental aerosol payload with a meteorological radiosonde deployed on a tethered balloon. More than 70 vertical profiles of aerosol and meteorological properties have been recorded up to a maximum altitude of 1.2 km. As a main result, the present work provides ...
    • Safety challenges related to autonomous ships in mixed navigational environments 

      Kim, Tae-Eun; Perera, Lokukaluge Prasad Channa; Sollid, Magne-Petter; Batalden, Bjørn-Morten; Sydnes, Are Kristoffer (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-05-30)
      Digitalization and technological advancements have accelerated the development and emergence of autonomous and remotely controlled ships in the maritime transport sector. This type of vessels consists of highly intelligent and adaptive functionalities, equipped with a variety of external sensors and actuators to gain situation awareness, automated control and adaptive maneuvering for achieving more ...