Now showing items 1-20 of 8008

    • A 1.3-Myr palaeoceanographic record from the continental margin off Dronning Maud Land, Antarctica 

      Forsberg, Carl Fredrik; Løvlie, Reidar; Jansen, Eystein; Solheim, Anders; Sejrup, Hans Petter; Lie, Hans Erik (Peer reviewed; Journal article, 2003-09-15)
      A 12.5 m long core was retrieved from the continental margin off Dronning Maud Land, Antarctica. Magnetostratigraphy, stable isotopes, 14C accelerator mass spectrometer and amino acid analyses indicate a continuous sediment ...
    • 100-year waves in the Mozambique Channel 

      Kulseng, Rasmus Kanstad (Master thesis, 2010-06-01)
      Six-hourly significant wave height (SWH) data covering the period September 1957 to August 2002 is obtained from the ERA-40 reanalysis. This data, generated by ECMWF's own configured global WAM model, stems from the first ...
    • The 11 year solar cycle UV irradiance effect and its dependency on the Pacific Decadal Oscillation 

      Guttu, Sigmund; Orsolini, Yvan J.; Stordal, Frode; Otterå, Odd Helge; Omrani, Nour-Eddine (Journal article; Peer reviewed, 2021)
      The stratospheric, tropospheric and surface impacts from the 11 year ultraviolet solar spectral irradiance (SSI) variability have been extensively studied using climate models and observations. Here, we demonstrate using ...
    • 1H NMR metabolic profiling of cod (Gadus morhua) larvae: potential effects of temperature and diet composition during early developmental stages 

      Chauton, Matilde Skogen; Galloway, Trine Falck; Kjørsvik, Elin; Størseth, Trond Røvik; Puvanendran, Velmurugu; van der Meeren, Terje; Karlsen, Ørjan; Rønnestad, Ivar; Hamre, Kristin (Peer reviewed; Journal article, 2015)
      Marine aquaculture offers a great source of protein for the increasing human population, and farming of, for example, Atlantic salmon is a global industry. Atlantic cod farming however, is an example of a promising industry ...
    • A (2 + ε)-Factor Approximation Algorithm for Split Vertex Deletion 

      Lokshtanov, Daniel; Misra, Pranabendu; Panolan, Fahad; Philip, Geevarghese; Saurabh, Saket (Journal article; Peer reviewed, 2020)
      In the Split Vertex Deletion (SVD) problem, the input is an n-vertex undirected graph G and a weight function w: V(G) → ℕ, and the objective is to find a minimum weight subset S of vertices such that G-S is a split graph ...
    • A 2-D Visualisation Study of the Mechanisms behind Increased Recovery due to Polymer Injection in Sandstone 

      Grønnestad, Svenn Erik (Master thesis, 2011-11-20)
      The potential of synthetic polymer injection, such as hydrolysed polyacrylamide (HPAM), in reservoirs has been a field of study since the 1960's [1]. The main intension of polymer injection is to improve the problems with ...
    • 2-Deoxy-D-glucose couples mitochondrial DNA replication with mitochondrial fitness and promotes the selection of wild-type over mutant mitochondrial DNA 

      Pantic, Boris; Ives, Daniel; Mennuni, Mara; Perez-Rodriguez, Diego; Fernandez-Pelayo, Uxoa; Lopez de Arbina, Amaia; Muñoz-Oreja, Mikel; Villar-Fernandez, Marina; Dang, Thanh-mai Julie; Vergani, Lodovica; Johnston, Iain George; Pitceathly, Robert D. S.; McFarland, Robert; Hanna, Michael G.; Taylor, Robert W.; Holt, Ian J.; Spinazzola, Antonella (Journal article; Peer reviewed, 2021)
      Pathological variants of human mitochondrial DNA (mtDNA) typically co-exist with wild-type molecules, but the factors driving the selection of each are not understood. Because mitochondrial fitness does not favour the ...
    • 20 Years of Cluster Observations: The Magnetopause, 

      Håland, Stein Egil; Hasegawa, Hiroshi; Paschmann, G; Sonnerup, B. U. Ö.; Dunlop, M. W. (Journal article; Peer reviewed, 2021)
      The terrestrial magnetopause forms the boundary between the solar wind plasma with its embedded interplanetary magnetic field on one side, and the terrestrial magnetosphere, dominated by Earth's dipole field, on the other ...
    • 2018 International Atmospheric Rivers Conference : Multi‐disciplinary studies and high‐impact applications of atmospheric rivers 

      Ramos, Alexandre; Wilson, Anna; DeFlorio, Michael; Barnes, Elizabeth A.; Garreaud, Rene; Gorodetskaya, Irina V.; Lavers, David A; Moore, Benjamin; Payne, Ashley; Smallcomb, Chris; Sodemann, Harald; Wehner, Michael; Ralph, Fred Martin (Peer reviewed; Journal article, 2019-07-26)
      Atmospheric rivers (ARs) play a vital role in shaping the hydroclimate of many regions globally, and can substantially impact water resource management, emergency response planning, and other socioeconomic entities. The ...
    • 2020/21 record-breaking cold waves in east of China enhanced by the ‘Warm Arctic-Cold Siberia’ pattern 

      Zhang, Yijia; Yin, Zhicong; Wang, Huijun; He, Shengping (Journal article; Peer reviewed, 2021)
      Extreme cold waves frequently occur in east of China that dramatically endanger ecological agriculture, power infrastructure and human life. In this study, we found that the 'Warm Arctic-Cold Siberia' pattern (WACS) ...
    • The 2021 FASEB science research conference on NAD metabolism and signaling 

      Gorbunova, Vera; Buschbeck, Marcus; Cambronne, Xiaolu A.; Chellappa, Karthikeyani; Corda, Daniela; Du, Juan; Freichel, Marc; Gigas, Jonathan; Green, Alexander E.; Gu, Feng; Guberovic, Iva; Jayabalan, Aravinthkumar; Khansahib, Imrankhan; Mukherjee, Sarmistha; Seluanov, Andrei; Simon, Matthew A.; Sverkeli, Lars Jansen; Kory, Nora; Levine, Daniel C.; Matic, Ivan; Nikiforov, Andrey; Rack, Johannes G.M.; Imai, Shin-Ichiro; Sinclair, David A.; Toiber, Debra; Zhao, Yongjuan; Mostoslavsky, Raul; Kraus, Lee; Guse, Andreas H. (Journal article; Peer reviewed, 2021)
    • 230Th Normalization: New Insights on an Essential Tool for Quantifying Sedimentary Fluxes in the Modern and Quaternary Ocean 

      Costa, Kassandra M.; Hayes, Christopher T.; Anderson, Robert F.; Pavia, Frank J.; Bausch, Alexandra; Deng, Feifei; Dutay, Jean-Claude; Geibert, Walter; Heinze, Christoph; Henderson, Gideon M.; Hillaire-Marcel, Claude; Hoffmann, Sharon; Jaccard, Samuel L.; Jacobel, Allison W.; Kienast, Stephanie S.; Kipp, Lauren; Lerner, Paul; Lippold, Jörg; Lund, David; Marcantonio, Franco; McGee, David; McManus, Jerry F.; Mekik, Figen; Middleton, Jennifer L.; Missiaen, Lise; Not, Christelle; Pichat, Sylvain; Robinson, Laura F.; Rowland, George H.; Roy‐Barman, Matthieu; Tagliabue, Alessandro; Torfstein, Adi; Winckler, Gisela; Zhou, Yuxin (Journal article; Peer reviewed, 2020-01)
      230Th normalization is a valuable paleoceanographic tool for reconstructing high‐resolution sediment fluxes during the late Pleistocene (last ~500,000 years). As its application has expanded to ever more diverse marine ...
    • A 24,000-year ancient DNA and pollen record from the Polar Urals reveals temporal dynamics of arctic and boreal plant communities 

      Clarke, Charlotte L.; Alsos, Inger Greve; Edwards, Mary E.; Paus, Aage; Gielly, Ludovic; Haflidason, Haflidi; Mangerud, Jan; Regnéll, Carl; Hughes, Paul D.M.; Svendsen, John-Inge; Bjune, Anne Elisabeth (Journal article; Peer reviewed, 2020)
      A 24,000-year record of plant community dynamics, based on pollen and ancient DNA from the sediments (sedaDNA) of Lake Bolshoye Shchuchye in the Polar Ural Mountains, provides detailed information on the flora of the Last ...
    • A 3-D numerical model of the influence of meanders on groundwater discharge to a gaining stream in an unconfined sandy aquifer 

      Balbarini, Nicola; Boon, Wietse; Nicolajsen, Ellen; Nordbotten, Jan Martin; Bjerg, Poul L.; Binning, Philip J. (Journal article, 2017)
      Groundwater discharge to streams depends on stream morphology and groundwater flow direction, but are not always well understood. Here a 3-D groundwater flow model is employed to investigate the impact of meandering stream ...
    • 3-D seismic images of an extensive igneous sill in the lower crust 

      Wrona, Thilo; Magee, Craig; Fossen, Haakon; Gawthorpe, Rob; Bell, Rebecca E.; Jackson, Christopher Aiden Lee; Faleide, Jan Inge (Peer reviewed; Journal article, 2019-05-31)
      When continents rift, magmatism can produce large volumes of melt that migrate upwards from deep below the Earth’s surface. To understand how magmatism impacts rifting, it is critical to understand how much melt is generated ...
    • The 30 June 2017 North Sea Earthquake: Location, Characteristics, and Context 

      Jerkins, Annie; Shiddiqi, Hasbi Ash; Kværna, Tormod; Gibbons, Steven John; Schweitzer, Johannes; Ottemöller, Lars; Bungum, Hilmar (Journal article; Peer reviewed, 2020)
      The Mw 4.5 southern Viking graben earthquake on 30 June 2017 was one of the largest seismic events in the Norwegian part of the North Sea during the last century. It was well recorded on surrounding broadband seismic ...
    • 30,000 years of landscape and vegetation dynamics in a mid-elevation Andean valley 

      McMichael, Chrystal; Witteveen, Nina; Scholz, Simon; Zwier, Maaike; Prins, Maarten; Lougheed, Bryan C.; Mothes, Patricia; Gosling, William D. (Journal article; Peer reviewed, 2021)
      The mid-elevation settings of the Andes are important biodiversity hotspots, yet little is known of their long-term ecology or environmental change. Here, we assess 30,000 years of landscape and vegetation dynamics on an ...
    • A 3D computational study of effective medium methods applied to fractured media 

      Sævik, Pål Næverlid; Berre, Inga; Jakobsen, Morten; Lien, Martha (Peer reviewed; Journal article, 2013-10)
      This work evaluates and improves upon existing effective medium methods for permeability upscaling in fractured media. Specifically, we are concerned with the asymmetric self-consistent, symmetric self-consistent, and ...
    • 3D mechanical and thermal analysis of an Aluminium piston for a high-speed Diesel laboratory engine 

      Haugland, Steinar Søvde (Master thesis, 2018-06-22)
      A cast aluminium piston of a single cylinder Petter Diesel engine is modelled using the finite element method. The engine is intended to be supercharged, which will increase the thermal loading on the piston, and so the ...
    • 3D modelling and interpretation of depositional elements in the Aspelintoppen Formation, Spitsbergen, Svalbard, a facies analysis 

      Bøgh, Anna Rebecca Dyrlev (Master thesis, 2021-07-03)
      The Aspelintoppen Formation is the youngest formation in the Central Tertiary Basin, a foreland basin in Spitsbergen. It comprises an up to 1000 m thick succession of near-coastal to continental deposits. Due to the high ...