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Separation of Diffractions from Reflections by the Double Square Root Operator 
Rathy, Sanchya (Master thesis / Masteroppgave, 2020)
Diffractions can provide information about small scale heterogeneities. However, in many cases, the diffracted energy is masked by the stronger reflections. Thus, techniques for separating diffractions from reflections are ...
Crater statistics and Geological history of Oxia Planum, landing site for ExoMars2022 
Uthus, Trine Nybakk (Master thesis / Masteroppgave, 2020)
Oxia Planum is the chosen landing site for the ExoMars2022 rover that launches between August and October 2022. The nominal mission is one Mars year, and the goal is to look for signs of past or present life on Mars. The ...
Receiver functions at the 8 broadband seismometers of the Kongsberg array. 
Opshaug, Mathilde Sofie (Master thesis / Masteroppgave, 2020)
The P-Receiver functions(RFs) at 8 temporary seismic stations named KONO1 to KONO8, located in a 100x100 km region around Kongsberg (Norway) are analysed in this thesis. RFs use S converted waves arriving at the seismological ...
Building a 3D Seismic Velocity Model to Improve Location of Microseismic Events at the Åknes Rock Slope 
Dahl, Helge Wilhelm (Master thesis / Masteroppgave, 2020)
Feature and event analysis of seismic data using machine learning at Åknes. 
Silverberg, Fred Marcus John (Master thesis / Masteroppgave, 2020)
Satellite Gravity Data and Lithospheric Structure: A study of the North Atlantic lithosphere beneath Iceland 
Corr, Michael Eamonn (Master thesis / Masteroppgave, 2019)
Potential field analysis is known to suffer from the problem of "non-uniqueness" in solutions. Gravity data interpretation is a prime example. Anomalous bodies can be detected from the gravity field, but information regarding ...
Small impact craters on Mars studied by numerical models and observations at the NASA InSight landing site 
Gilje, Kristina (Master thesis / Masteroppgave, 2019)
Impact craters are a common geological feature found on a variety of planetary bodies throughout the Solar System and can reveal information about the history of the Solar System and its planets. Specifically, crater ...
Separation of diffractions by diffraction-stacking and Plane-Wave Destruction filtering 
Thorkildsen, Vemund Stenbekk (Master thesis / Masteroppgave, 2019)
Study on Seismic Data Sensitivity on Pressure-Saturation Discrimination 
Kifle, Robin David (Master thesis / Masteroppgave, 2019)
The effects of pore pressure and fluid saturation on the seismic velocity changes are coupled and important to discriminate one from the other in the context of time-lapse monitoring of fluid injection into the subsurface ...
Numerical modelling of Venus’mantle: the role of cratons in lithospheric overturns 
Karlsson, Rebecca Vilde Martine Krohn (Master thesis / Masteroppgave, 2019)
Despite its similarities in bulk properties to Earth, Venus portrays a fundamentally different mode of surface tectonics. Venus is currently known to be operating in stagnant lid mode of mantle convection. However, it is ...
Marine Vibrators: Synthetic Data Study 
Losnedahl, Sander Wågønes (Master thesis / Masteroppgave, 2019)
The traditional airgun source has for a long time been the preferred type of source in marine seismic data acquisition due to its high impulsive pressure output. However, this impulsive energy has recently been of concern ...
Attenuation of Seismic Interference Noise with Convolutional Neural Networks 
Slang, Sigmund (Master thesis / Masteroppgave, 2019)
The aim of this thesis has been to look at the possibility of using a convolutional neural network to attenuate seismic interference (SI) noise in marine seismic data. Modern SI-denoising algorithms employed by the industry ...
Guiding of Tectonic Plate Motions by Transform Faults and Mid-Ocean Ridges 
Hatalova, Petra (Master thesis / Masteroppgave, 2019)
Transform faults are strike-slip faults that accommodate lateral offsets between spreading segments of mid-ocean ridges. Because plates cannot move perpendicular to them, transform faults may exert a control on plate motions ...
Integrated analysis of seismic, gravity and magnetic data on the outer Møre margin offshore mid-Norway 
Solheim, Håvard André (Master thesis / Masteroppgave, 2019)
Observation of PKP phases in Queen Maud Land, Antarctica Restricted Access
Sommer, Helle Elisabeth (Master thesis / Masteroppgave, 2019)
Ambient noise tomography at the Oseberg oil and gas field, North sea 
Bruland, Charlotte (Master thesis / Masteroppgave, 2018)
Recent studies show that the noise recorded by seismic sensors can be used to characterize the seismic structure in the area where the sensors are located. This is called ambient noise tomography. In this thesis, data from ...
Investigating noise attenuation by slope-preserving filtering 
Grønhaug, Elise Vik (Master thesis / Masteroppgave, 2018)
SEISMIC WAVEFIELD MODELLING FROM MARINE VIBRATOR SOURCES Restricted Access
Lam, Nguyen Danh (Master thesis / Masteroppgave, 2017)
The principles of signals from vibrators have been investigated over half a century, however such sources are rarely applied in a marine environment. The objective of this thesis is to study the modeling of the pressure ...
Ab initio molecular dynamics simulations of melting phase relations in the system CaO-MgO-SiO2 at pressures of the Earth's lower mantle 
Guren, Marthe Grønlie (Master thesis / Masteroppgave, 2017)
Improvement of near-surface resolution of airborne time-domain data. Optimizing inversion settings and applying system response in the inversion of real AEM data and synthetic data. 
Skurdal, Guro Huun (Master thesis / Masteroppgave, 2017)
Airborne electromagnetics (AEM) is a geophysical investigation method used to make resistivity models of the subsurface, for ground investigations related to various types of projects. It was originally developed as an ...
Application of Spectral Time-Domain Induced Polarization in Engineering Geophysics - A study on black shale in the Oslo Graben Restricted Access
Haugen, Isiris Heidi (Master thesis / Masteroppgave, 2017)
High-resolution 3D seismic interpretation of a Lower Cretaceous delta system in the Hoop area, SW Barents Sea 
Faleide, Thea Sveva (Master thesis / Masteroppgave, 2017)
Strategic inversion approach to improve the resistivity image of an offshore CO2 storage site 
Bøe, Lone Zimmer (Master thesis / Masteroppgave, 2017)
Relative relocation of earthquakes along the northern North Atlantic Ridge using Rayleigh waves 
Kolstad, Christian Grude (Master thesis / Masteroppgave, 2017)
Modelling atmospheric infrasound propagation in northern Norway by using the reflectivity method 
Klæboe, Kathrine Navelsaker (Master thesis / Masteroppgave, 2017)
The Currents in the Outer Oslofjord 
Botvar, Ole Henrik (Master thesis / Masteroppgave, 2016)
This thesis is an investigation of currents in the outer Oslofjord using available tools. Current records and output from the NorKyst-800 model are examined and compared using statistical methods. Internal tidal waves are ...
Relationship between burial history and seismic signatures in the Horda Platform area, Norwegian North Sea 
Gateman, Jan Henrik Malmquist (Master thesis / Masteroppgave, 2016)
The Horda Platform area, in the Norwegian North Sea, has a complex burial history, including rifting and fault block rotation followed by uplift end subsequent erosion. These processes have affected the elastic properties ...
Continental-Oceanic transition– examples from the Indian ocean passive margins Restricted Access
Asif, Summyia Khatoon (Master thesis / Masteroppgave, 2016)
Several studies have been conducted since last 50 years to understand the crustal architecture of the passive margins. The conjugate passive margins along Indian Ocean are very less surveyed and studied due to geographical ...
Northeast Atlantic Cenozoic paleobathymetry and Iceland mantle plume activity: Influences on oceanic gateways and paleoocean circulation 
Straume, Eivind Olavson (Master thesis / Masteroppgave, 2016)
On geological time scales, the global ocean circulation is controlled by changes in paleobathymetry, including opening and closure of strategic ocean gateways and formation of new ocean basins. In the Cenozoic time (65 - ...
Integrated Seismic and Rock Physics Modelling of Oil-Producing Volcanic Sills in the Neuquén Basin, Argentina 
Rabbel, Ole (Master thesis / Masteroppgave, 2016)
Software for Automatic Measurement of Relative Finite-Frequency Travel-Time Residuals Restricted Access
Xie, Han (Master thesis / Masteroppgave, 2016)
Volcanic Margins: A Quantitative Analysis of Magmatic Activity 
Kabiri Arani, Sabareh (Master thesis / Masteroppgave, 2016)
Repeatability and Detectability Requirements for 4D CSEM 
Babakhani, Amir (Master thesis / Masteroppgave, 2015)
Receiver function analysis - Seismic imaging of the crust beneath TROLL seismic station in Queen Maud Land, Antarctica 
Torsvik, Andreas (Master thesis / Masteroppgave, 2015)
In this this study, receiver function analysis of the crust underneath TROLL seismic station in Queen Maud Land, Antarctica was performed. An analysis of the neighboring seismic station SNAA was carried out as well to ...
De-blending of marine seismic hydrophone and multicomponent data 
Magnussen, Fredrik (Master thesis / Masteroppgave, 2015)
Geomechanical characterization of shale caprock of the Longyearbyen CO2 storage pilot 
Abbas, Mohsin (Master thesis / Masteroppgave, 2015)
This study is a small part of ongoing research for CO2 sequestration at Longyearbyen CO2 Storage Lab, Svalbard, Norway. The primary aim of this study is to determine geomechanical properties of two important caprock units ...
Monitoring CO2 behaviour during injection into reservoir sandstone 
Tran, Truong Xuan (Master thesis / Masteroppgave, 2015)
Localization and analysis of calving-related seismicity at Kronebreen, Svalbard 
Koubova, Hana (Master thesis / Masteroppgave, 2015)
The glacier calving process is poorly documented but closely related to glacier dynamics. Glaciers respond to many factors, such as air temperature or precipitation and can affect calving activity. Accessing calving rate ...
The lower crust and upper mantle beneath the western Barents Sea and Svalbard: evidence from combined active source and array seismology. 
Odden, Guri (Master thesis / Masteroppgave, 2015)
The role of the initial condition in numerical models of the present-day mantle flow field 
Fritzell, Eva Hauk (Master thesis / Masteroppgave, 2015)
Characterizing seismic interference from seismic multi-component data 
Haghighi, Elyas Hassanzadeh (Master thesis / Masteroppgave, 2014)
This master thesis in Geophysics is about detecting and attenuating seismic interference noise. The thesis is written in collaboration with the Marine R&D Department at CGG and Department of Geosciences at the University ...
Identifying Seismic Interference Noise Based on Local Dip Filtering 
Grendaite, Milda (Master thesis / Masteroppgave, 2014)
The aim of this work was to compare various dip estimation methods and apply the best of them to identify the dip of seismic interference noise (SI) in the shot domain. Four dip estimation methods were considered: correlation ...
Crustal structure of the Eggvin Bank, west of Jan Mayen. Data processing, velocity modeling and interpretation of recordings from a marine wide-angle seismic survey 
Eide, Sigurd (Master thesis / Masteroppgave, 2014)
The Eggvin Bank is a shallow area located on the northern segment of Kolbeinsey Ridge. Its crustal structure was investigated along a 301 km long transect from the Greenland Basin to the Iceland Plateau, crossing over the ...
A noise model for shallow water North Sea 
Fetene, Deneke Admasu (Master thesis / Masteroppgave, 2014)
The purpose of this study is to improve the basic understanding of the propagating mechanisms behind seismic interference noise. A Matlab code of the normal mode solution in Pekeris waveguide model was developed and numerical ...
Asessing offshore geohazards: seismic integration and velocity-model building at the ICG Finneidfjord lab site, Norway Restricted Access
Ahmed, Ali Joiya (Master thesis / Masteroppgave, 2014)
Diffractions and Their Multiples – Techniques to Enhance and Remove Them 
Umar, Muhammad (Master thesis / Masteroppgave, 2014)
The main focus of this thesis work has been diffractions and their associated multiples in marine seismic. Since diffraction carry useful information about small scale inhomogeneities in general, techniques able to enhance ...
The Vp/Vs relationship of the basement under the Trøndelag Platform, mid-Norway 
Assad, Muhammad (Master thesis / Masteroppgave, 2013)
Two wide angle 3-Compnent Ocean Bottom Seismometer (OBS) profiles along with associated Land-Stations acquired during 2003 under the EUROMARGINS Program were analyzed during this M.Sc. Thesis. These profiles are named as ...
Tunnel Health Monitoring Using Seismics 
Gebre, Mesay Geletu (Master thesis / Masteroppgave, 2013)
In this thesis a new approach, called THEAMTM, is presented. The THEAMTM methodology is a non-invasive tunnel health monitoring method using active seismic. The method incorporates geophysical seismic analysis methods and ...
Comparative study of the Nise formation seismic response between Møre and Vøring basin : Case studies 
Barrero, Juan Saez (Master thesis / Masteroppgave, 2013)
Two marine seismic interference attenuation methods : Based on automatic detection of seismic interference 
Jansen, Sindre (Master thesis / Masteroppgave, 2013)
Marine Seismic Interference (SI) occurs when several seismic vessels operate in close proximity, and the interfering energy from one vessel is recorded as interfering noise by another. Generally, SI is removed by various ...
Tomographic inversion of Pn waves beneath southern Scandinavia : a study to reveal the upper mantle velocity structure to explain anomalous topography of Scandinavian Mountains 
Latif, Adnan (Master thesis / Masteroppgave, 2012)
Scandinavian Mountain Range is located at the continental margin of the Eurasian plate. This area is part of the Baltic shield so topography is expected to be generally low. But this is not the case here. In South western ...
Diffracted noise attenuation in marine seismic data Restricted Access
Lindstrøm, Pia Madeleine (Master thesis / Masteroppgave, 2012)
Investigating Different Approaches of Deblending Seismic Data 
Mahmood, Uzma (Master thesis / Masteroppgave, 2012)
Shooting in an overlapping fashion is called blended or simultaneous acquisition. This can make acquisition efficient and economical. However, deblending (i.e. the process of separating the blended data) of data can be ...
Travel time approximations, including higher-order terms, to extend the applicability of Kirchhoff time migration. 
Kulathilagan, Piratheeben (Master thesis / Masteroppgave, 2011)
Abstract Seismic time migration is a cost and time effective process for imaging of the subsurface. However, the approach is traditionally limited to velocity models with mildly varying lateral variations. The objective ...
De-noising Seismic Data by Empirical Mode Decomposition 
Saeed, Baseem Saeed (Master thesis / Masteroppgave, 2011)
This thesis investigates the application of the Empirical Mode Decomposition (EMD) and Ensemble Empirical Mode Decomposition (EEMD) techniques in de-noising of marine seismic data. EMD decomposes the seismic dataset into ...
The Impact of Earthquakes on Tunnels in different Rock Mass Quality Q- : a numerical analysis 
Tshering, Tashi (Master thesis / Masteroppgave, 2011)
The impact of earthquakes, due to ground shaking, which affects the whole tunnel length from ovaling of the tunnel cross section, is investigated in this thesis. The influence of rock mass quality Q and the tunnel dimension ...
The lithospheric mantle below southern Norway : Temperature and density investigated using two complementary methods 
Kolstrup, Marianne Lanzky (Master thesis / Masteroppgave, 2010)
I denne oppgaven undersøker vi variasjoner i temperatur og tetthet i litosfæren i Sør Norge og diskuterer de mulige tektoniske betydningene av disse. I den første delen videreutvikles en metode som beregner temperatur og ...
Fresnel-based infill analysis and image quality 
Li, Miao (Master thesis / Masteroppgave, 2010)
In a 3D marine survey, often large areas of poor coverage (‘coverage holes’) exist caused by feathering during the actual acquisition. Infill management is introduced to fill those ‘coverage holes’, but a high percentage ...
Sea imaging from a dual-sensor streamer data : A feasibilty study 
Orji, Okwudili Chucks (Master thesis / Masteroppgave, 2009)
Sea surface profile and reflection coefficient estimates are vital input parameters to various seismic data processing applications. The common assumption of a flat sea surface when processing seismic data can lead to ...
Time frequency de-noising of seismic data 
Presterud, Ida Vik (Master thesis / Masteroppgave, 2009)
Marin seismic acquisition results in signals that are affected by both random and coherent noise. For successful imaging it is important that as much as possible of this noise is attenuated in an early stage of processing. ...
Modeling by demigration : A feasibility study 
Yaqoob, Muhammad Junaid (Master thesis / Masteroppgave, 2009)
The aim of this thesis is to investigate and gain better understanding of a new modeling technique called modeling by demigration. Demigration itself can be defined as the inverse of true amplitude migration. This involves ...
3-D SV-Wavespeed Structure of Northern Europe Inferred from Rayleigh Waveform Tomography 
Asgedom, Endrias Getachew (Master thesis / Masteroppgave, 2009)
In this thesis we present a three-dimensional (3-D) seismic SV-wave speed model for the upper mantle beneath Northern Europe derived from the analysis of fundamental mode Rayleigh waveforms. Selecting recordings with ...
Emplacement Mechanisms and Magmatic Differentiation Induced by Magma Flow in Sill Intrusions in Sedimentary Basins 
Galerne, Christophe (Doctoral thesis / Doktoravhandling, 2009)
Magma transport through the Earth’s crust often ends in sedimentary basins. While it erupts at the surface, a significant part of the magma emplaces in depth in the basin forming sheet complexes dominated by horizontal ...
Structure and Microseismicity of the unstable rock slide at Åknes, Norway 
Nielsen, Marianne Holst (Master thesis / Masteroppgave, 2009)
Sammendrag På Åknes i Møre og Romsdal, Norge, er det i dalsiden av en fjord oppdaget et potensielt fjellskred. Et ras på Åknes kan lage en enorm flodbølge nede i fjorden. Denne flodbølgen vil ødelegge de nærmeste bygdene ...
 
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Date Issued2010 - 2020 (58)2009 - 2009 (6)Document TypeMasteroppgave (63)Doktoravhandling (1)AuthorAbbas, Mohsin (1)Ahmed, Ali Joiya (1)Asgedom, Endrias Getachew (1)Asif, Summyia Khatoon (1)Assad, Muhammad (1)... View More
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