Blar i Faculty of Mathematics and Natural Sciences på tittel
Viser treff 3410-3429 av 9849
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Genus two curves on abelian surfaces
(Journal article; Peer reviewed, 2022)This paper deals with singularities of genus 2 curves on a general (d1, d2)- polarized abelian surface (S, L). In analogy with Chen’s results concerning rational curves on K3 surfaces [Ch1, Ch2], it is natural to ask whether ... -
Geo-modeling and fluid flow simulation in paleokarst reservoirs
(Master thesis, 2015-06-30)This master thesis focuses on modeling and simulation of fluid flow in collapsed paleocave systems, also known as paleokarst. Petroleum reservoirs all around the world exhibit karst structures. The latest ones on the ... -
Geo-modelling of an exhumed reservoir cap rock succession, Utah, USA
(Master thesis, 2017-06-23)Carbon capture and storage (CCS) can potentially play an important role in mitigating global CO2 emissions. The storage sites must be understood in detail to ensure safe storage on a millennial time scale. Outcrop analogs ... -
Geo-modelling of paleokarst reservoirs - from cave-survey to geocellular paleokarst model
(Master thesis, 2016-11-20)Hydrocarbon reservoirs exhibiting features inherited from former karst processes acting on the reservoir rocks are relatively common worldwide. However, on the Norwegian continental shelf, paleokarst plays have only recently ... -
Geocellular rendering of cave surveys in paleokarst reservoir models
(Journal article; Peer reviewed, 2020)Infilled and collapsed cave systems are an important component of many paleokarst reservoirs. Incorporating these features into industrial reservoir models commonly relies on geostatistical modelling methods that often ... -
Geochemical and microtextural characteristics reflect the formation mechanics of laminated iron deposits at the Perle & Bruse and Troll Wall vent fields
(Master thesis, 2017-08-31)Located at the southern section of the Artic Mid-Ocean Ridge, the Jan Mayen Vent Fields (JMVF) consist of three main hydrothermal sites, the Troll Wall, Perle & Bruse and Soria Moria. These sites contain numerous Fe-deposits, ... -
Geochemical characteristics of the gold-bearing quartz veins in the Lykling area, Bømlo, SW Norway
(Master thesis, 2021-09-11) -
Geochemical characteristics of volcanogenic massive sulfide mineralizations on Bømlo and Stord islands, Sunnhordaland, SW Norway
(Master thesis, 2021-09-11)The results from the present study have brought forward new knowledge about geochemical, mineralogical, stable isotope and trace element data for volcanogenic massive sulfide deposits hosted within Early Ordovician Ophiolitic ... -
Geochemical characterization of ophiolites in the Alpine-Himalayan Orogenic Belt: Magmatically and tectonically diverse evolution of the Mesozoic Neotethyan oceanic crust
(Journal article; Peer reviewed, 2020)Ophiolites are important archives of oceanic crust development and preservation in the rock record, and the Alpine-Himalayan Orogenic Belt (AHOB) is one of the most comprehensive ophiolite depositories in earth’s history. ... -
Geochemical characterization of the Gnitahei seafloor massive sulfide deposit, Arctic Mid-Ocean Ridge
(Master thesis, 2022-06-29)The Gnitahei SMS deposit (72.75°N 3.81°E) is a newly discovered seafloor massive sulfide deposit located on the slow to ultraslow spreading Mohns Ridge in the Arctic Mid-Ocean Ridge system. The deposit was discovered by ... -
Geochemical transition zone powering microbial growth in subsurface sediments
(Journal article; Peer reviewed, 2020)No other environment hosts as many microbial cells as the marine sedimentary biosphere. While the majority of these cells are expected to be alive, they are speculated to be persisting in a state of maintenance without net ... -
Geochemistry of hydrothermal fluids from the E2-segment of the East Scotia Ridge: Magmatic input, reaction zone processes, fluid mixing regimes and bioenergetic landscapes
(Journal article; Peer reviewed, 2022)The compositions of hydrothermal fluids in back-arc basins (BABs) can be affected by the influx of magmatic fluids into systems that are dominated by reactions between basement rocks and seawater-derived fluids. The East ... -
Geochemistry of lava samples collected near the oceanic detachments at 13°N along the Mid-Atlantic Ridge
(Master thesis, 2017-09-25)The structure and composition of the oceanic lithosphere is mainly controled by the supply of magmatic melts to the ridge axis. At slow-spreading, mid-oceanic ridges are characterized by complex spreading styles, where ... -
A geochronological review of magmatism along the external margin of Columbia and in the Grenville-age orogens forming the core of Rodinia
(Journal article; Peer reviewed, 2022)A total of 4344 magmatic U-Pb ages in the range 2300 to 800 Ma have been compiled from the Great Proterozoic Accretionary Orogen along the margin of the Columbia / Nuna supercontinent and from the subsequent Grenvillian ... -
Geochronology and tectonic setting of voluminous granitoids and related rocks and associated extensional structures in Dronning Maud Land (East Antarctica)
(Master thesis, 2011-06-15)The history of the tectonic evolution in central Dronning Maud Land (cDML), East Antarctica can be inferred from various zircon grains for U-Pb zircon age determination with the Laser-Ablation Inductively-Coupled-Plasma ... -
Geofaglig vurdering av konsekvenser ved klimaframskrivinger for verdensarvområdet Vestnorsk fjordlandskap, delområde Geirangerfjorden
(Master thesis, 2022-06-01)I Møre og Romsdal er det forventet en økning i temperatur og nedbør frem mot perioden 2071-2100. Dette inkluderer en økning i årlig middeltemperatur på ca. 3,5-4,0 ºC og en økning i årsnedbør på 15%. Økningen vil føre til ... -
Geofysiske og sedimentologiske undersøkelser av israndavsetningene fremfor Esmarkmorenen, Rogaland
(Master thesis, 2016-09-01)Det første geologiske arbeidet som ble gjort i Forsand ble gjort av Jens Esmark på 1800- tallet, da han beskrev det vi i dag kaller Esmarkmorenen/Vassryggen og sletteområdet foran. Han konkluderte med at dette var ... -
Geogebra og funksjonar. Elevane si tilnærming til representasjonsskifte i arbeid med funksjonar, med og utan bruk av Geogebra, i matematikk på vidaregåande skule.
(Master thesis, 2018-06-20)Digitale hjelpemiddel har for lengst fått sin plass i matematikkundervisninga i norsk skule. I den vidaregåande skulen har dataprogram med grafteiknar også langt på veg erstatta kalkulatorar, som digitalt hjelpemiddel i ... -
Geographic distribution, abundance, diet, and body size of invasive pink salmon (Oncorhynchus gorbuscha) in the Norwegian and Barents Seas, and in Norwegian rivers
(Journal article; Peer reviewed, 2022)We report for the first time the geographic distribution, abundance, diet, and body size of invasive pink salmon (Oncorhynchus gorbuscha) in the Norwegian and Barents Seas and Norwegian coast and rivers. We found that pink ... -
Geographic variation in gene flow from a genetically distinct migratory ecotype drives population genetic structure of coastal Atlantic cod (Gadus morhua L.)
(Journal article; Peer reviewed, 2022)Identifying how physical and biotic factors shape genetic connectivity among populations in time and space is essential to our understanding of the evolutionary trajectory as well as the management of marine species. ...