Viser treff 101-120 av 513

    • 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 ...
    • Challenges regarding digital distance learning of operationally- oriented professions, due to Covid-19 pandemic 

      Johansen, Kåre (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-01-18)
      The focus on challenges related to digital distance learning has become particularly relevant since educational institutions had to close due to the Covid-19 pandemic. Teaching related to operationally oriented professions, such as e.g., aviation and nautical represent educations that have faced extensive challenges. Education portfolios for such professions contain subjects that require transfer ...
    • Communication of Arctic Marine Transportation opportunities 

      Gudmestad, Ove Tobias (Journal article; Tidsskriftartikkel; Peer reviewed, 2022)
      In a risk analysis we identify the causes that could lead to unwanted events/ outcomes. We introduce barriers that will reduce the probabilities of such events and also barriers that will mitigate the consequences of such events.<p> <p>Regarding Arctic Marine Transportation Challenges, more attention should be placed on communicating all work that is undertaken to enhance the safety and limit ...
    • Life-cycle cost analysis of an innovative marine dual-fuel engine under uncertainties 

      Bui, Khanh Quang; Perera, Lokukaluge Prasad Channa; Emblemsvåg, Jan (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-10-27)
      As innovative technologies are being deployed to accelerate shipping decarbonization in response to air emission regulations, there is considerable concern about the cost effectiveness of such technologies from a life-cycle perspective. This study conducts a life-cycle cost analysis (LCCA) on an innovative marine dual-fuel engine under uncertainties, comparing the total life-cycle cost performance ...
    • Higher Education and the Changing Situation of Societal Security in the Baltic Sea Region 

      Pursiainen, Christer Henrik; Abdel-Fattah, Dina; Staupe-Delgado, Reidar (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-10-27)
      While concepts like risk and crisis management have grown ubiquitous at all levels of government, they have also cemented their place in academia as interdisciplinary fields of study in higher education. In the Baltic Sea Region (BSR), these types of educational programmes are typically labelled under the umbrella term ‘societal security’ in English. This article provides a succinct depiction ...
    • Lost in Translation – Following the Ecosystem Approach from Malawi to the Barents Sea 

      Hammer, Maria (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-01-06)
      New ideas are constantly being produced as a changing world demands solutions to new problems. International environmental regimes often present ideas to reduce negative human effects on the environment. Implementation of ideas has often been studied through diffusion theory, where ideas are expected to be implemented in their original version. Translation theory from New Scandinavian Institutionalism ...
    • Predicting Breast Cancer Leveraging Supervised Machine Learning Techniques 

      Aamir, Sanam; Rahim, Aqsa; Aamir, Zain; Abbasi, Saadullah Farooq; Khan, Muhammad Shahbaz; Alhaisoni, Majed; Khan, Muhammad Attique; Khan, Khyber; Ahmad, Jawad (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-08-16)
      Breast cancer is one of the leading causes of increasing deaths in women worldwide. The complex nature (microcalcification and masses) of breast cancer cells makes it quite difficult for radiologists to diagnose it properly. Subsequently, various computer-aided diagnosis (CAD) systems have previously been developed and are being used to aid radiologists in the diagnosis of cancer cells. However, due ...
    • The European Union's responses to the COVID-19 crisis: How to fight a pandemic with the internal market 

      Tuominen, Tomi; Salminen, Mirva Miia Tuulikki; Halonen, Kirsi-Maria (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-10-26)
      In a liberalized market economy, states tend to purchase supplies required for producing publicly funded services, such as healthcare, from the markets instead of producing them themselves. The availability of critical supplies thus becomes a question of supply-side availability and supply chain management, and therefore their availability is conceptualized in terms of security of supply. The European ...
    • New insight into air/spray boundary interaction for diesel and biodiesel fuels under different fuel temperatures 

      Jabbarzadeh Ghandilou, Ali; Taghavifar, Hadi (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-08-09)
      The liquid fuel breakup mechanism in spray injection with ambient air for diesel and biodiesel at different fuel temperatures is studied numerically. We find that biodiesel fuel type injection with low fuel temperature induces more air entrainment volume to the boundary of the spray than diesel fuel injection and higher fuel temperature. Meanwhile, the normalized parcel density for biodiesel is 12% ...
    • Experimental and numerical engine cycle setup for a dual fuel hydrogen, methane, and hythane with diesel to assess the effect of water injection and nozzle geometry 

      Taghavifar, Hadi (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-06-15)
      In this study, the potential of gaseous fuels such as hydrogen, methane, and hythane in combination with diesel fuel is assessed in a closed loop thermodynamic framework. An experimental test is conducted with basic diesel fuel and then the model is configured based on the realistic one-cylinder diesel engine to evaluate the robustness and reliability of the simulation. The model is accurate in terms ...
    • From European critical infrastructure protection to the resilience of European critical entities: what does it mean? 

      Pursiainen, Christer Henrik (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-10-03)
      The article is a public policy analysis of the development of legislation on critical infrastructure in the European Union (EU), covering 27 developed countries. More precisely, it concerns the 2022 CER Directive “on the resilience of critical entities’. This directive replaced the 2008 ECI Directive ‘on the identification and designation of European critical infrastructure and the assessment of ...
    • Computer‑assisted management training for emergency response professionals in challenging environments 

      Sætren, Gunhild Birgitte; Stenhammer, Hege Christin; Andreassen, Natalia; Borch, Odd Jarl (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-09-17)
      Coordinating complex crisis responses generally requires comprehensive skills. When operating in the High Arctic, extreme environments make this task even more challenging. Training for these situations is thus of utmost importance, but such training requires extensive resources for full-scale exercises. Simulation is an alternative that can yield an effective learning process and learning outcomes. ...
    • Assessment of the impacts of landscape patterns on water quality in Trondheim rivers and Fjord, Norway 

      Chang, Tong; Nie, Linmei; Killingtveit, Ånund; Nøst, Terje; Lu, Jinmei (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-04-29)
      Due to the impacts of hydrological and ecological processes on water quality, discharges from upstream catchments have induced significant pollution to the recipients. This study aims to investigate the possible pollution sources from catchments with different types of land use and landscape patterns and develop the relationships between water quality and the catchment hydro-geological and ...
    • Trend effects on perceived avalanche hazard 

      Terum, Jens Andreas; Mannberg, Andrea; Hovem, Finn Kristoffer (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-08-30)
      Hazard-level forecasts constitute an important risk mitigation tool to reduce loss of economic values and human life. Avalanche forecasts represent an example of this. As for many other domains, avalanche risk is communicated using a color-coded, categorical risk scale aimed at informing the public about past, current, and future risk. We report the results from three experiments in which we ...