Blar i Faculty of Mathematics and Natural Sciences på tittel
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Loss of sea ice during winter north of Svalbard
(Peer reviewed; Journal article, 2014-06-05)Sea ice loss in the Arctic Ocean has up to now been strongest during summer. In contrast, the sea ice concentration north of Svalbard has experienced a larger decline during winter since 1979. The trend in winter ice area ... -
Loss of stomach, loss of appetite? Sequencing of the ballan wrasse (Labrus bergylta) genome and intestinal transcriptomic profiling illuminate the evolution of loss of stomach function in fish
(Peer reviewed; Journal article, 2018-03-06)Background: The ballan wrasse (Labrus bergylta) belongs to a large teleost family containing more than 600 species showing several unique evolutionary traits such as lack of stomach and hermaphroditism. Agastric fish are ... -
Loss-function learning for cell type mapping of spatial transcriptomics using single-cell RNA-seq data
(Master thesis, 2023-06-01)Breast cancers are complex cellular ecosystems consisting of multiple cell types. Heterotypic interactions and their unique gene expression profiles play central roles in cancer progression and response to therapy. However, ... -
Lossy Kernelization of Same-Size Clustering
(Journal article; Peer reviewed, 2023)In this work, we study the k-median clustering problem with an additional equal-size constraint on the clusters from the perspective of parameterized preprocessing. Our main result is the first lossy (2-approximate) ... -
Lost in Translation? Multiple Discursive Strategies and the Interpretation of Sustainability in the Norwegian Salmon Farming Industry
(Journal article; Peer reviewed, 2020-04-04)The term ‘sustainability’ is vague and open to interpretation. In this paper we analyze how firms use the term in an effort to make the concept their own, and how it becomes a premise for further decisions, by applying a ... -
A low climate threshold for south Greenland Ice Sheet demise during the Late Pleistocene
(Peer reviewed; Journal article, 2020-01-07)The Greenland Ice Sheet (GIS) has been losing mass at an accelerating rate over the recent decades. Models suggest a possible temperature threshold between 0.8 and 3.2 °C, beyond which GIS decline becomes irreversible. The ... -
Low Level Jet Streams at the Sea Ice Edge - Numerical Simulations using WRF
(Master thesis, 2013-06-03)The goal of the presented thesis is to investigate the formation of low level jets at the sea ice edge. Differential heating creates very sharp fronts at the ice edge. A transversal circulation, initiated by altered pressure ... -
Low Level Jets over the Southern North Sea
(Peer reviewed; Journal article, 2019-12-02)An extensive analysis of Low Level Jets (LLJs) over the Southern North Sea is presented. The study is based on observational data from a wind LiDAR and a passive microwave radiometer, operated from May 2015 to October 2016 ... -
Low Molecular Weight Hydrogel for Wound Healing
(Journal article; Peer reviewed, 2023)Octadecylazanediyl dipropionic acid (C18ADPA) is a zwitterionic amphiphile with a dendritic headgroup. C18ADPA self-assembles to lamellar networks, which encompasses water and forms a low-molecular-weight hydrogel (LMWG). ... -
Low Power Giga Bit Transceiver (lpGBT) Test-Suite
(Master thesis, 2023-12-20)The ALICE detector, one of the key instruments at CERN's LHC, is dedicated to capturing and measuring the properties of particles generated in high-energy particle collisions. To enhance its capabilities for studying these ... -
Low Salinity Surfactant Flooding in Sandstone Cores
(Doctoral thesis, 2018-01-26)A new generation enhanced oil recovery (EOR) methods comes from combining techniques to make the overall process more efficient than either of the processes alone. These combined methods are often called hybrid EOR methods, ... -
Low Salinity Waterflood in Combination with Surfactant/Polymer: Effect of Brine Composition
(Master thesis, 2014-06-02)The effect of low salinity water (LSW) on enhanced oil recovery has been known for decades. Although much research is done on the topic, a general agreement of the prevailing mechanism for the low salinity effect has still ... -
Low Salinity Waterflood in Combination with Surfactant/Polymer; Effect of Surfactant Slug Size
(Master thesis, 2014-06-02)In last years, there has been a growing interest in the effect of reducing salinity of injected water in oil recovery. Many studies have showed that low salinity waterflooding is a promising method that can lead to a ... -
Low Salinity Waterflood in Combination with Surfactant/Polymer; Effects of Kinetics and Brine Composition
(Master thesis, 2014-06-01)Improving the oil recovery beyond what is possible by conventional methods is a topic of great interest, and the potential oil recovery for a field can be improved if unconventional methods are implemented. Reducing the ... -
Low Salinity Waterflooding in Combination with Surfactant/Polymer. A Field Scale Simulation Study of Hybrid EOR
(Master thesis, 2018-06-27)It is projected that 77% of energy consumption will originate from fossil fuels in 2040, indicating a continuous demand for crude oil [1]. Nevertheless, more than half of the hydrocarbons produced at present originate from ... -
A low-cost autonomous rover for polar science
(Peer reviewed; Journal article, 2019-06-11)We present the developmental considerations, design, and deployment of an autonomous modular terrestrial rover for ice-sheet exploration that is inexpensive, easy to construct, and allows for instrumentation customization. ... -
Low-energy electron ionization mass spectrometer for efficient detection of low mass species
(Journal article; Peer reviewed, 2021)The design of a high-efficiency mass spectrometer is described, aimed at residual gas detection of low mass species using low-energy electron impact, with particular applications in helium atom microscopy and atomic or ... -
Low-energy probes of no-scale SU(5) super-GUTs
(Journal article; Peer reviewed, 2021)We explore the possible values of the \(\mu \rightarrow e \gamma \) branching ratio, \(\text {BR}(\mu \rightarrow e\gamma )\), and the electron dipole moment (eEDM), \(d_e\), in no-scale SU(5) super-GUT models with the ... -
Low-energy surface vibration measurements on the alpha-quartz (0001) surface
(Master thesis, 2011)Despite the enormous range of usages, only little is known about the dynamic and structural properties of quartz (SiO2) surfaces on the atomic scale. The main reason for this is probably that quartz is an insulator, with ... -
Low-level jet height’s impact on wind turbine loads: A case study
(Master thesis, 2023-06-01)Over the years, wind turbines have been steadily increasing in size, with newer models boasting larger dimensions. For instance, the diameter of an installed prototype offshore wind turbine in late 2022 was over 200 m, ...