English
norskFakultet for naturvitenskap og teknologi: Nye registreringer
Viser treff 981-1000 av 5380
-
The Cenozoic evolution and sedimentary successions of the southwestern Eurasia Basin and the northern Svalbard/Barents Sea continental margin
(Conference object; Konferansebidrag, 2017)<p>The geologic history of the SW Eurasian Basin and the northern Svalbard/Barents Sea continental margin started in Late Cretaceous / early Tertiary. Since about 50 Ma seafloor spreading has been active in the Eurasian Basin splitting off the Lomonosov Ridge from the northern Eurasian Shelf. Since Miocene, rifting and seafloor spreading have been also established in between NE Greenland and Svalbard, ... -
On confinement and plasma acceleration from a small ECR plasma source
(Conference object; Konferansebidrag, 2019)<p>Electron Cyclotron Resonance (ECR) is a technique to create high density, low temperature plasmas that do not depend on a cathode, like arc discharges and are therefore easier to maintain and have a longer lifespan. The use of the Electron Cyclotron Resonance (ECR) for electron heating for Magnetic Nozzle (MN) thrusters have recently received increased interest, as they have been shown to provide ... -
Should humans work?
(Journal article; Tidsskriftartikkel; Peer reviewed, 2020-02-01)Should humans work? A simple question at a time when the advent of AI, automation and robotics claims a privileged position in the future of work. The question is perplexing and confusing however once we enquire into the meaning of technology and work as such: some claim that human jobs and well-being might be threatened by technological advances while others predict an increase in high skilled ... -
Solar energy for residential electric vehicle charging in Northern Norway – a feasibility study
(Conference object; Konferansebidrag, 2018)This paper presents a study of the potential for using photovoltaic (PV) solar energy systems for residential charging of electric vehicles (EVs) in Northern Norway. The objective is to investigate the load match between PV yield and uncontrolled EV charging, in terms of self-consumption and self-sufficiency. The load profile for EV charging is retrieved from a study by the Norwegian Water Resources ... -
Late Cenozoic paleoenvironment and erosion estimates for the NE Svalbard continental margin – preliminary results
(Conference object; Konferansebidrag, 2017) -
Linking tectonostratigraphy and denudation history: insights from a mass balance approach
(Conference object; Konferansebidrag, 2017)<p>The offshore deep-sea stratigraphy provides the archive for reconstructing the paleoenvironment of the surrounding land and continental shelf areas. Mapping of seismic reflections as well as borehole correlation may identify the processes and timing of basin infilling. Regional and local tectonic events will be linked to other controlling factors in defining the structural configuration in order ... -
Holocene relative shore-level changes and development of the Ģipka lagoon in the western Gulf of Riga
(Journal article; Tidsskriftartikkel; Peer reviewed, 2023-07-13)Holocene relative shore-level changes and development of the G ipka palaeolagoon in the western Gulf of Riga are reconstructed using multiproxy analyses by combining litho-, biostratigraphical and chronological data with remote sensing and geophysical data. The results show the development of the G ipka basin from the Ancylus Lake/Initial Litorina Sea coastal zone (before c. 9.1 cal. ka BP) to ... -
Observation of mesospheric dust and ionospheric conditions during the G-chaser rocket campaign
(Conference object; Konferansebidrag, 2019)SPID, Smoke Particle Impact Detector, is a Faraday cup detector designed to measure nanometer-sized meteoric smoke particles during rocket flights. We report measurements made with SPID during the G-Chaser student rocket campaign 13 January 2019 and describe the design of the SPID instruments. Model calculations of dust trajectories within the detector result in an effective cross section of 0.97 ... -
Seal integrity in the uplifted basins in the greater Hoop area on the Northern Barents Shelf
(Conference object; Konferansebidrag, 2019)The geological evolution of the northern Barents Shelf is complex, and the area has undergone several phases of tectonic activity leading to a mosaic of several deep and shallow basins, platforms, salt-cored domes and structural highs. The area is highly gas prone with some very few commercial oil discoveries, and only two fields currently in production. Deep burial and subsequent Late Cretaceous–Cenozoic ... -
Trap and seal analysis of the northern Barents Shelf
(Conference object; Konferansebidrag, 2018)Although the majority of exploration wells in the Barents Sea has encountered hydrocarbons, only two fields, the Snøhvit (gas) and Goliat (oil) fields are currently in production. The geological evolution of the area, including previous deep burial and subsequent exhumation, has contributed to the leakage of hydrocarbon from many traps. Understanding the timing of hydrocarbon generation and migration, ... -
The Cenozoic pre-glacial tectono-sedimentary development of the western Barents Sea margin: implications for uplift and erosion of the sediment source areas
(Conference object; Konferansebidrag, 2017)<p>The Cenozoic development of the western Barents Sea continental margin is strongly related to the rifting and seafloor spreading between Norway and Greenland. The margin is characterized by a series of highs and basins that formed as part of the development of a mega-transform zone. To the north, the Spitsbergen Fold and Thrust Belt and the Eocene clinoform development in the Central Basin that ... -
Is there a break in scaling on centennial time scales in Holocene temperature records?
(Conference object; Konferansebidrag, 2017) -
From Risk Management to Resilience Management in Critical Infrastructure
(Journal article; Tidsskriftartikkel; Peer reviewed, 2020-05-07)This article discusses critical infrastructure resilience in terms of how it could be incorporated into the existing safety and security practices, namely the ISO 31000 risk management standard. The article starts by outlining the resilience discourse, focusing on the organizational, technological, and societal domains of resilience. It goes on to present an approach to how the risk management ... -
2.09 Å resolution structure of E. coli HigBA toxin-antitoxin complex reveals an ordered DNA-binding domain and intrinsic dynamics in antitoxin
(Journal article; Tidsskriftartikkel; Peer reviewed, 2020-10-29)The toxin–antitoxin (TA) systems are small operon systems that are involved in important physiological processes in bacteria such as stress response and persister cell formation. Escherichia coli HigBA complex belongs to the type II TA systems and consists of a protein toxin called HigB and a protein antitoxin called HigA. The toxin HigB is a ribosome-dependent endoribonuclease that cleaves the ... -
Pedagogical Perspectives of Interdisciplinary Teaching and Research: An Energy System Modelling Outlook in Relation to Energy Informatics
(Journal article; Tidsskriftartikkel; Peer reviewed, 2023-08-02)The purpose of this paper is to present and discuss pedagogical frameworks and approaches to developing, delivering, and evaluating a new interdisciplinary course within the domain of energy informatics at both Master’s and PhD levels. This study is needed because many papers on sustainable energy engineering education concentrate on course content but provide very little information on the ... -
Integrating incidence-angle compensation in the segmentation of UAVSAR images
(Conference object; Konferansebidrag, 2018)<p>SAR images display a characteristic intensity variation along the range dimension, caused by the fact that the backscattered intensities depend on the incidence angle. In the case of wide-swath images, this intensity variation from near range to far range is significant enough to affect image segmentation performed on absolute intensity values. The effects are an over-segmentation which creates ... -
Arctic Field Summer Schools: training the next generation of Arctic researchers
(Conference object; Konferansebidrag, 2018)<p>The Arctic Field Summer Schools project is funded by the Research Council of Norway (NFR) and Norwegian Centre for International Cooperation in Education (SIU), under the grant agreement number 261786/H30. <p>The project supports research and education collaboration among UiT - The Arctic University of Norway, University of Alaska Fairbanks (UAF), USA and University of Calgary (UC), Canada. <p>Through ... -
Modeling Microwave Scattering From Rough Sea Ice Surfaces
(Conference object; Konferansebidrag, 2017)In this paper, COMSOL Multiphysics® was used to simulate the microwave scattering from the rough sea ice surface. A nonperiodic model and a periodic model were built. The nonperiodic model considers the rough surface of finite length and introduces a tapered incident wave. In this model, the strategy of total and scattered-field decomposition (TSFD) was used to formulate the finite-element method ... -
Self-similarity of intrasalt thrust faults: Lessons from offshore Levant Basin and the Dead Sea
(Conference object; Konferansebidrag, 2017)The Levant Basin in the eastern Mediterranean Sea developed during rifting episodes occurring from Permian to the Early Jurassic (Netzeband et al. 2006; Gardosh et al. 2010), and has been a deep-water basin with a passive continental margin at least since the Cretaceous (Gardosh et al. 2008). Thick sequences of halite and interbedded shales (stringers) were deposited during the infamous Messinian ... -
Label-free imaging on waveguide platform with enhanced resolution and contrast
(Conference object; Konferansebidrag, 2021)Chip-based Evanescent Light Scattering (cELS) utilizes the multiple modes of a high-index contrast optical waveguide for near-field illumination of unlabeled samples, thereby repositioning the highest spatial frequencies of the sample into the far-field. The multiple modes scattering off the sample with different phase differences is engineered to have random spatial distributions within the integration ...
