Browsing Faculty of Mathematics and Natural Sciences by Title
Now showing items 5426-5445 of 9847
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Microparasites in selected populations of wild Atlantic salmon (Salmo salar) in Norway – Prevalence, density and diversity
(Master thesis, 2019-06-26)The aim of this study was to investigate the prevalence, density and diversity of microparasites in Atlantic salmon from selected populations in Norway including and to provide an assessment of the possible spreading of ... -
Microplastic in subsurface water in the South Pacific Ocean
(Master thesis, 2023-07-01)Microplastic (MP) in the world’s oceans is a global concern. Studies on MP are frequently published, but there is limited information on MP in the South Pacific Ocean. Here, a seawater filtration unit collected MPs down ... -
Microplastic in the Urban Environment - Concentrations and Sources in Streets and Sand Traps
(Master thesis, 2020-12-01) -
Microplastic variability in subsurface water from the Arctic to Antarctica
(Journal article; Peer reviewed, 2022)Comparative investigations of microplastic (MP) occurrence in the global ocean are often hampered by the application of different methods. In this study, the same sampling and analytical approach was applied during five ... -
Microplastics could be marginally more hazardous than natural suspended solids - A meta-analysis
(Journal article; Peer reviewed, 2023)Microplastics (MP) are perceived as a threat to aquatic ecosystems but bear many similarities to suspended sediments which are often considered less harmful. It is, therefore pertinent to determine if and to what extent ... -
Microplastics in arctic invertebrates- Status on occurrence and recommendations for future monitoring
(Journal article; Peer reviewed, 2022)Few studies have been published on occurrence and distribution on microplastics (MPs) in invertebrates from the Arctic. We still need to develop harmonised methods to enable good comparison between studies taking into ... -
Microrefugia and shifts of Hippophae tibetana (Elaeagnaceae) on the north side of Mt. Qomolangma (Mt. Everest) during the last 25000 years
(Peer reviewed; Journal article, 2014-05-19)Microrefugia at high altitudes or high latitudes are thought to play an important role in the post-glacial colonization of species. However, how populations in such microrefugia have responded to climate changes in alternating ... -
Microscopic and macroscopic assessment of carbonate dissolution for geologic CO2 storage
(Journal article; Peer reviewed, 2023)Carbon capture and storage in underground formations might be considered as a relevant technology to curb anthropogenic climate gas emissions. However, carbon dioxide (CO2) injection can lead to severe rock-fluid interactions ... -
Microseismic wavefield modelling in anisotropic elastic media using integral equation method
(Journal article; Peer reviewed, 2023)In this paper, we present a frequency-domain volume integral method to model the microseismic wavefield in heterogeneous anisotropic-elastic media. The elastic wave equation is written as an integral equation of the ... -
Microseismic Waveform Modeling and Inversion using Finite-Difference and Global Optimization
(Master thesis, 2023-06-01)Estimating microseismic source parameters is an essential part of a microseismic monitoring project. Typically the microseismic source position and origin time are estimated utilizing kinematic methods, while the moment ... -
Microsomal triglyceride transfer protein in the ectoparasitic crustacean salmon louse (Lepeophtheirus salmonis)
(Peer reviewed; Journal article, 2017-08)The salmon louse, Lepeophtheirus salmonis, is an endemic ectoparasite on salmonid fish that is challenging for the salmon farming industry and wild fish. Salmon lice produce high numbers of offspring, necessitating ... -
Microstructural analysis of coal-bearing deformation bands at Wangaloa, New Zealand
(Master thesis, 2021-11-22)Deformation bands are defined as tabular, millimeter to centimeter wide zones of localized strain that commonly form in porous granular rock. Deformation bands have been studied in great detail over the last four decades ... -
Microstructural visco-elastic models for carbonates and related porous media
(Master thesis, 2021-02-23) -
Microstructure and fluid flow in the vicinity of basin bounding faults in rifts – The Dombjerg Fault, NE Greenland rift system
(Journal article; Peer reviewed, 2021)Faults commonly form loci for high fluid flux in sedimentary basins, where fluids, rocks and deformation processes frequently interact. Here, we elucidate the interaction of fluid flow, diagenesis and deformation near ... -
Microstructure Measurements from an Underwater Glider in the Turbulent Faroe Bank Channel Overflow
(Peer reviewed; Journal article, 2014-05)Measurements of ocean microstructure are made in the turbulent Faroe Bank Channel overflow using a turbulence instrument attached to an underwater glider. Dissipation rate of turbulent kinetic energy « is measured using ... -
Microstructure measurements using a glider in the Faroe Bank Channel Overflow
(Master thesis, 2013-05-30)The application of turbulence instrumentation on underwater gliders is addressed, and two methods for glider-inferred dissipation rates of turbulent kinetic energy are evaluated against a ship-based vertical microstructure ... -
Microstructure of Charged Particle Tracks Measured with the ALPIDE Pixel Sensor
(Master thesis, 2021-12-15)Proton CT has the potential to reduce range uncertainties in particle therapy planning. Proton CT gives a direct three-dimensional map of the stopping power of the tissue. This lowers the range uncertainties compared to ... -
Mid-Pliocene Atlantic Meridional Overturning Circulation simulated in PlioMIP2
(Journal article; Peer reviewed, 2021)In the Pliocene Model Intercomparison Project Phase 2 (PlioMIP2), coupled climate models have been used to simulate an interglacial climate during the mid-Piacenzian warm period (mPWP; 3.264 to 3.025 Ma). Here, we compare ... -
Mid-Pliocene West African Monsoon rainfall as simulated in the PlioMIP2 ensemble
(Journal article; Peer reviewed, 2021)The mid-Pliocene warm period (mPWP; ∼3.2 million years ago) is seen as the most recent time period characterized by a warm climate state, with similar to modern geography and ∼400 ppmv atmospheric CO2 concentration, and ...