Fakultet for naturvitenskap og teknologi: Recent submissions
Now showing items 81-100 of 4870
-
Marine- and Lacustrine Deposition of Eskers
(Mastergradsoppgave; Master thesis, 2024-05-16)The future stability of modern marine-terminating ice sheets is of great concern as an increased rate of retreat might mark the onset of their collapse. An increased rate of retreat is accompanied by an increase in meltwater and sediment discharge at the ice margin which has prompted research to focus on the drainage system of marine-terminating ice sheets. Recent discoveries of eskers at water-terminating ... -
A sedimentary insight into the coastal and environmental evolution of Hollendarbukta, Isfjorden: Early Holocene to present
(Mastergradsoppgave; Master thesis, 2024-05-13)Dramatic physical and biological shifts are occurring in the Arctic in response to rising surface air temperatures. Sedimentary coastal environments are particularly sensitive to these changes as they form at the interface between the terrestrial and shallow marine realm. The need to investigate sedimentary archives from coastal environments is crucial, to understand how they have responded during ... -
Contrasting Methane Seepage Dynamics in the Hola Trough Offshore Norway: Insights From Two Different Summers
(Journal article; Tidsskriftartikkel; Peer reviewed, 2024-07-09)This study investigates the temporal variations in methane concentration and flare activity in the Hola trough (offshore Norway) during May 2018 and June 2022. Between these time periods, methane seep activity exhibits 3.5 times increase, as evidenced by hydroacoustic measurements. As the seep area in the Hola trough is constantly within the hydrate stability zone, the observed increase cannot be ... -
Better Balance in Informatics: An Honest Discussion with Students
(Chapter; Bokkapittel, 2023-07-09)In recent years, there has been considerable effort to promote gender balance in the academic environment of Computer Science (CS). However, there is still a gender gap at all CS academic levels: from students, to PhD candidates, to faculty members. This general trend is followed by the Department of Computer Science at UiT The Arctic University of Norway. To combat this trend within the CS environment ... -
Exploring fluorination in MBL inhibitor design
(Doctoral thesis; Doktorgradsavhandling, 2024-06-26)<p>Antimicrobial resistance (AMR) achieved through, among others, β-lactamase activity, remains an ongoing challenge for the treatment of infections caused by antibiotic-resistant pathogens. Metallo-β-lactamase (MBL)-expressing bacteria, resistant to most β-lactam antibiotics, are of growing clinical relevance with currently no approved treatment options available. The most common approaches to ... -
Structural characterisation and drug-lipid interaction by NMR spectroscopy
(Doctoral thesis; Doktorgradsavhandling, 2024-06-19)<p>Since the discovery of antimicrobial agents and the extensive use in infection treatment and prevention, antimicrobial resistance (AMR) has become a rapidly increasing problem. The World health organisation (WHO) surveys a wide range of human pathogens, including several multi-resistant pathogens causing infections with high morbidity and mortality. Emphasising the urgency of new treatment ... -
The basics of optical alignment
(Journal article; Tidsskriftartikkel; Peer reviewed, 2024-03-26)Precise optical alignment is critical for high-quality microscopy imaging, especially in custom-built systems. This guide details essential alignment steps, from beam path setup to lens collimation and centering, introduces key tools like pinholes and shearing interferometers, and advocates for a modular construction approach. This article aims to empower microscopy enthusiasts with practical alignment ... -
NordVulk 1974-2024
(Journal article; Tidsskriftartikkel; Peer reviewed, 2024)Nordisk Vulkanologisk Institut, senere kendt som Nordisk Vulkanologisk Center (NordVulk), på Island fylder 50 år i 2024. Desværre sammenfalder den runde fødselsdag med, at NordVulk nedlægges. Dermed afsluttes en lang, fremgangsrig og succesfuld æra med nordisk vulkanologisk forskning på Island. Her beretter vi lidt om NordVulks liv. -
Matematisk tenkning i kulturell praksis: Utforsking av tradisjonell øremerking av reinsdyr
(Master thesis; Mastergradsoppgave, 2023-06-01)Tema for denne studien er relasjoner mellom tradisjonell samisk kultur og kombinatorikk. Jeg ble inspirert til å skrive en masteroppgave om dette etter å ha sett et undervisningsopplegg som tok for seg bruken av tradisjonelle samiske reinmerker i matematikkundervisningen. Problemstillingen søker å identifisere og belyse matematisk tenkning innenfor samisk kunnskap om tradisjonell reinmerking. Dermed ... -
Newly found evidence of the Late Devonian extinction by microtektites in black shales: Sellersburg, Indiana, USA
(Master thesis; Mastergradsoppgave, 2024-05-16)Our planet has experienced at least five major mass extinction events, which have occasionally brought the flora and fauna to almost complete collapse , yet they have been pivotal in the evolution of life as we know it. This thesis explores potential causes of mass extinctions, focusing particularly on the Late Devonian mass extinction event, which is the least understood of the major five. Over the ... -
Modelling the Earth System - From Tipping Elements to Reconstructions
(Doctoral thesis; Doktorgradsavhandling, 2024-06-17)Climate change can trigger climate tipping points, which are among the major threats to human society. Tipping points are thresholds beyond which a system undergoes abrupt, often irreversible, changes even if the external forcing is brought to a halt. Several large-scale elements in the Earth system are considered tipping elements with global consequences once critical thresholds are crossed and ... -
Seasonal precipitation variability on Svalbard inferred from Holocene sedimentary leaf wax δ2H
(Journal article; Tidsskriftartikkel; Peer reviewed, 2024-05-26)Svalbard spans large climate gradients, associated with atmospheric circulation patterns and variations in ocean heat content and sea ice cover. Future precipitation increases are projected to peak in the northeast and to mainly occur in winter, but uncertainties underscore the need for reconstructions of long-term spatial and temporal variations in precipitation amounts and seasonality. We use lipid ... -
Analysis of peak locomotor demands in women’s football–the influence of different epoch lengths
(Journal article; Tidsskriftartikkel; Peer reviewed, 2024-05-23)The quantification of peak locomotor demands has been gathering researchers’ attention in the past years. Regardless of the different methodological approaches used, the most selected epochs are between 1-, 3-, 5- and 15-minutes time windows. However, the selection of these time frames is frequently arbitrary. The aim of this study was to analyse the peak locomotor demands of short time epochs (15, ... -
Morphology and structural, stratigraphic setting of volcanic deposits at Skoll High on the Vøring Plateau
(Mastergradsoppgave; Master thesis, 2024-05-15)The voluminous igneous complexes that are present in the sedimentary basins of the volcanic rifted Vøring Margin have recently gained attention due to their promising potential for carbon sequestration. Although there have been major improvements in the field of intra- and subbasalt imaging and subbasalt sequences over the past decade, the emplacement mechanism, stratigraphical setting, structural ... -
Impact ionization double peaks analyzed in high temporal resolution on Solar Orbiter
(Journal article; Tidsskriftartikkel; Peer reviewed, 2024-05-29)Solar Orbiter is equipped with electrical antennas performing fast measurements of the surrounding electric field. The antennas register high-velocity dust impacts through the electrical signatures of impact ionization. Although the basic principle of the detection has been known for decades, the understanding of the underlying process is not complete, due to the unique mechanical and electrical ... -
Early aerial expedition photos reveal 85 years of glacier growth and stability in East Antarctica
(Journal article; Tidsskriftartikkel; Peer reviewed, 2024-05-25)During the last few decades, several sectors in Antarctica have transitioned from glacial mass balance equilibrium to mass loss. In order to determine if recent trends exceed the scale of natural variability, long-term observations are vital. Here we explore the earliest, large-scale, aerial image archive of Antarctica to provide a unique record of 21 outlet glaciers along the coastline of East ... -
The Ocean Senses Activity Book: Enriching Ocean Literacy through a multisensory approach
(Chapter; Bokkapittel, 2024-05-23)This chapter outlines the development of “The Ocean Senses Activity Book” integrating a multisensory approach to ocean education for pupils and the general public. Originating from an expedition in the Arctic Ocean, the project aimed to cultivate more effective cognitive approaches to ocean literacy education and communication. It bridged the gap between scientific exploration and public engagement, ... -
The Agenda 2030 and the Imperative for Research and Education for the Climate and the Oceans
(Chapter; Bokkapittel, 2024-05-23)This chapter sets the scene and provides background information regarding the primary objective of the book: to contribute to the knowledge base for climate education and research, with a specific focus on the oceans and water. Within this framework, the chapter situates educational and research strategies that specifically focus on ocean literacy, developed and coordinated by the authors over the ... -
Connecting with The Deep: Lifelong Learning (LLL) and Marine Sustainability
(Chapter; Bokkapittel, 2024-05-23)This chapter frames marine sustainability within ongoing global and regional initiatives in lifelong learning and adult education. The authors of this chapter argue that to achieve the ambitious targets set out in the SDGs, our adult population must be able to recognise, engage with, and act upon economic, social, and environmental challenges. The authors of this chapter present the many barriers ... -
Universally Accessible Marine Science and Ocean Literacy for All Citizens: The Thalassophile Project
(Chapter; Bokkapittel, 2024-05-23)The Thalassophile Project is dedicated to universal accessibility in marine science and ocean literacy, with a focus on the d/Deaf and visually impaired communities. By emphasising accessibility, and illustrating how theory is put into practice, the project brings together a network of cross-sector practitioners, combining marine research, education, and universal accessibility expertise. In this ...