Blar i Geophysical Institute på tittel
Viser treff 21-40 av 1254
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Air-Sea Interaction in Biophysical Modeling: With focus on Northeast Arctic Cod
(Doctoral thesis, 2019-02-15)The focus of this thesis is on upper ocean dynamics and the interactions between the atmosphere and the oceans in relation to early life stages of Northeast Arctic cod. The main spawning sites of Northeast Arctic cod are ... -
Air-Sea Interactions during Cold Air Outbreaks in a coupled Mixed Layer Model
(Master thesis, 2019-06-19)Cold air outbreaks play a crucial role in the air-sea heat exchange in high latitudes. To explore the sensitivity to ocean coupling, the role of latent heating and the sensitivity to sea ice distributions in cold air ... -
Airborne Field Measurements and Model Simulations of Boundary Layer Properties over the Iceland Sea
(Master thesis, 2019-06-28)The spatial and temporal distributions of a cold air outbreak (CAO) event over the Iceland- and southern Greenland Seas have been investigated during the IcelandGreenland Seas project (IGP) in February and March 2018. This ... -
Airborne observations of the Eyjafjalla volcano ash cloud over Europe during air space closure in April and May 2010
(Peer reviewed; Journal article, 2011-03-11)Airborne lidar and in-situ measurements of aerosols and trace gases were performed in volcanic ash plumes over Europe between Southern Germany and Iceland with the Falcon aircraft during the eruption period of the Eyjafjalla ... -
Aircraft-based observations and high-resolution simulations of an Icelandic dust storm
(Peer reviewed; Journal article, 2012-11-16)The first aircraft-based observations of an Icelandic dust storm are presented. The measurements were carried out over the ocean near Iceland's south coast in February 2007. This dust event occurred in conjunction with an ... -
Akvakultur og små vindturbinar: Eit moglegheitsstudie av i kva grad små vindturbinar kan dekkje energiforbruket ved norske oppdrettsanlegg
(Master thesis, 2018-06-21)The world’s population is growing rapidly, and it will become necessary, to a greater extent, to use the ocean for harvesting food. Norway is the largest exporter of salmon in the world. Prognosis says that aquaculture in ... -
Along‐stream, seasonal, and interannual variability of the North Icelandic Irminger Current and East Icelandic Current around Iceland
(Journal article; Peer reviewed, 2020)Data from repeat hydrographic surveys over the 25-year period 1993 to 2017, together with satellite altimetry data, are used to quantify the temporal and spatial variability of the North Icelandic Irminger Current (NIIC), ... -
Amplification of synoptic to annual variability of West African summer monsoon rainfall under global warming
(Journal article; Peer reviewed, 2020)Increased knowledge of future changes in rainfall variability is needed to reduce vulnerability to potential impacts of global warming, especially in highly vulnerable regions like West Africa. While changes in mean and ... -
An Experimental and Numerical Study of the Performance of Carbon Black Nanofluids in a Direct Absorption Solar Collector
(Master thesis, 2023-06-01) -
An Investigation of the Optical Properties of Metal Nanoparticles for the Application in a Diffuse Light Solar Cell
(Master thesis, 2020-06-25)The need of renewable energy is increasing as the global energy demand increases concurrently with greenhouse gas emissions from energy use. According to the International Energy Agency, the energy demand will rise by 1.3 ... -
An Optimization Model for Short-Term Routing and Scheduling of Offshore Wind Maintenance
(Master thesis, 2023-06-01)Maintenance costs constitute a significant portion of the total costs for offshore wind investments. Consequently, a substantial amount of research aims to mitigate these costs. Studies targeting short-term decision-making ... -
Analyse av energi, eksergi og eksergoøkonomi for en stempelmotorbasert CHP-enhet kombinert med en organisk Rankine-syklus (ORC)
(Master thesis, 2015-08-17)Waste heat recovery is a concept that is relevant for reducing consumption and emissions from thermal machinery. Waste heat recovery can performed in two ways: by Combined Heat and Power production (CHP) or Waste Heat ... -
Analyse av klimaendringane si påverking på produksjonen frå uregulerte småkraftverk i Noreg
(Master thesis, 2020-06-30)I denne oppgåva har eg undersøkt klimaendringane si påverking på produksjonen ved åtte uregulerte småkraftvek i Noreg. Problemstillinga er «Korleis vil klimaendringane påverke straumproduksjonen ved uregulerte småkraftverk ... -
Analyses of the potential role of hydrogen for Norway in the transition to a zero-emission society
(Master thesis, 2017-06-23)The objective of this thesis is to analyze the potential role of hydrogen for Norway in the transition to a zero-emission society. The main sector of focus is the transport sector. Here, socioeconomic analyses are carried ... -
Analysis of 3 years of precipitation measurements from the Micro Rain Radar located at the Geophysical Institute
(Master thesis, 2013-11-20)An analysis of three years of vertically pointing Micro Rain Radar (MRR) data from the measurement platform at the Geophysical Institute has been performed. The measurement period started at 13.04.2010 and ended at 12.04.2013. ... -
Analysis of a low-level coastal jet off the western coast of Norway
(Peer reviewed; Journal article, 2014)Offshore wind installations depend strongly on an improved knowledge of the atmospheric and ocean conditions affecting the marine atmospheric boundary layer (MABL). In particular the better understanding of atmospheric ... -
Analysis of CryoSat’s radar altimeter waveforms over different Arctic sea ice regimes
(Journal article, 2014-06-11)Satellite altimetry has been used to derive information about sea ice thickness in the Arctic already for several decades. As part of the algorithms applied the shape of the radar signal is used to identify leads, the open ... -
Analysis of offshore wind spectra and coherence under neutral stability condition using the two LES models PALM and SOWFA
(Journal article; Peer reviewed, 2021)The Parallelized Large-Eddy Model (PALM) and the Simulator for Wind Farm Applications (SOWFA) have been used to simulate the marine boundary layer flows under neutral stability condition. The present work aims to investigate ... -
Analysis of the vertical temperature structure in the Bergen valley, Norway, and its connection to pollution episodes
(Peer reviewed; Journal article, 2014-09)The vertical temperature profile in the lowest 1000m of the atmosphere determines a number of important physical processes and meteorological phenomena such as high concentrations of anthropogenic air pollutants in urban ... -
Analysis of tidal currents in the North Sea from shipboard acoustic Doppler current profiler data
(Peer reviewed; Journal article, 2018-01-12)North Sea tidal currents are determined by applying harmonic analysis to ship-borne acoustic Doppler current profiler data recorded from 1999 to 2016, covering large areas of the northern North Sea. Direct current measurement ...