Browsing Faculty of Mathematics and Natural Sciences by Title

Now showing items 4970-4989 of 9947

    • Magnetospheric Flux Throughput in the Dungey Cycle: Identification of Convection State During 2010 

      Milan, Stephen Eric; Carter, Jennifer Alyson; Sangha, Harneet; Bower, G.E.; Anderson, Brian J. (Journal article; Peer reviewed, 2021)
      We quantify the contributions of different convection states to the magnetic flux throughput of the magnetosphere during 2010. To do this we provide a continuous classification of convection state for the duration of 2010 ...

    • Magnetospheric Multiscale Observations of an Expanding Oxygen Wave in Magnetic Reconnection 

      Kolstø, Håkon Midthun; Norgren, Astrid Elisabet Cecilia; Hesse, Michael; Chen, Li-Jen; Tenfjord, Paul; Spinnangr, Susanne Flø; Kwagala, Norah Kaggwa (Journal article; Peer reviewed, 2021)
      Heavier plasma species such as oxygen ions can have a large impact on the magnetic reconnection process. It has been hypothesized that the acceleration of demagnetized oxygen ions by the Hall electric field will lead to ...

    • Magnetospheric response and reconfiguration times following IMF By reversals 

      Tenfjord, Paul Arne Riksheim; Østgaard, Nikolai; Strangeway, Robert J.; Haaland, Stein; Snekvik, Kristian; Laundal, Karl Magnus; Reistad, Jone Peter; Milan, Stephen Eric (Peer reviewed; Journal article, 2017-01)
      The interaction between the interplanetary magnetic field (IMF) and the geomagnetic field at the dayside magnetopause leads to transfer of momentum and energy which changes the magnetospheric configuration, but only after ...

    • Magnitude and Origin of the Anthropogenic CO2 Increase and the 13C Suess Effect in the Nordic Seas since 1981 

      Olsen, Are; Abdirahman, Omar M.; Bellerby, Richard G. J.; Johannessen, Truls; Ninnemann, Ulysses Silas; Brown, Kelly R.; Olsson, K. Anders; Olafsson, Jon; Nondal, Gisle; Kivimäe, Caroline; Kringstad, Solveig; Neill, Craig; Olafsdottir, Solveig (Peer reviewed; Journal article, 2006-09-29)
      This study evaluates the anthropogenic changes of CO2 (∆Cant) and δ13C (∆δ13Cant) in the Nordic seas, the northern limb of the Atlantic Meridional Overturning Circulation, that took place between 1981 and 2002/03. The ...

    • The Magnitude of IMF By Influences the Magnetotail Response to Solar Wind Forcing 

      Holappa, Lauri; Reistad, Jone Peter; Ohma, Anders; Gabrielse, Christine; Sur, Dibyendu (Journal article; Peer reviewed, 2021)
      The dynamics of substorms are known to be dominated by the North-South (Bz) component of the Interplanetary Magnetic Field (IMF), which is the most important driver of the dayside reconnection. Even though the dawn-dusk ...

    • Making a Drawing-Assistant System using Deep Learning 

      Johansen, Hans Martin Theigler (Master thesis, 2022-06-01)

    • The Making of the NEAM Tsunami Hazard Model 2018 (NEAMTHM18) 

      Basili, R.; Brizuela, B.; Herrero, A.; Iqbal, S.; Lorito, S.; Maesano, F.E.; Murphy, S.; Perfetti, P.; Romano, F.; Scala, A.; Selva, J.; Taroni, M.; Tiberti, M.M.; Thio, Hong Kie; Tonini, R.; Volpe, M.; Glimsdal, Sylfest; Harbitz, Carl Bonnevie; Løvholt, Finn; Baptista, Maria Ana; Fernando, Carrilho; Matias, Luis Manuel; Omira, Rachid; Babeyko, Andrey; Hoechner, A.; Gurbuz, M.; Pekcan, O.; Yalciner, Ahmet C.; Canals, M.; Lastras, G.; Agalos, A.; Papadopoulos, G.; Triantafyllou, I.; Benchekroun, S.; Agrebi Jaouadi, K.; Ben Abdallah, S.; Bouallegue, A.; Hamdi, H.; Oueslati, F.; Amato, A.; Armigliato, Alberto; Behrens, Jörn; Davies, G.; Di Bucci, D.; Dolce, M.; Geist, Eric; Gonzalez Vida, J.M.; Gonzalez, M; Macías Sánchez, J.; Meletti, C.; Ozer Sozdinler, C.; Pagani, M.; Parsons, T.; Polet, J.; Power, W.; Sørensen, Mathilde Bøttger; Zaytsev, A. (Journal article; Peer reviewed, 2021)
      The NEAM Tsunami Hazard Model 2018 (NEAMTHM18) is a probabilistic hazard model for tsunamis generated by earthquakes. It covers the coastlines of the North-eastern Atlantic, the Mediterranean, and connected seas (NEAM). ...

    • Making predictions in a changing world: The benefits of individual-based ecology 

      Stillman, Richard A.; Railsback, Steven F.; Giske, Jarl; Berger, Uta; Grimm, Volker (Peer reviewed; Journal article, 2015-12-17)
      Ecologists urgently need a better ability to predict how environmental change affects biodiversity. We examine individual-based ecology (IBE), a research paradigm that promises better a predictive ability by using ...

    • Making the best of lousy circumstances: The impact of salmon louse Lepeophtheirus salmonis on depth preference of sea trout Salmo trutta 

      Mohn, Agnes Marie; Vollset, Knut; Karlsbakk, Egil (Journal article; Peer reviewed, 2020)
      ABSTRACT: Sea trout are known for seeking out sources of freshwater to rid themselves of salmon lice. However, the effect of natural haloclines in fjords on parasite dynamics is not well understood. We tagged 48 naturally ...

    • Making the BKW Algorithm Practical for LWE 

      Budroni, Alessandro; Guo, Qian; Johansson, Thomas; Mårtensson, Erik; Stankovski Wagner, Paul (Journal article; Peer reviewed, 2020)
      The Learning with Errors (LWE) problem is one of the main mathematical foundations of post-quantum cryptography. One of the main groups of algorithms for solving LWE is the Blum-Kalai-Wasserman (BKW) algorithm. This paper ...

    • The male germ cell gene regulator CTCFL is functionally different from CTCF and binds CTCF-like consensus sites in a nucleosome composition-dependent manner 

      Sleutels, Frank; Soochit, Widia; Bartkuhn, Marek; Heath, Helen; Dienstbach, Sven; Bergmaier, Philipp; Franke, Vedran; Rosa-Garrido, Manuel; van de Nobelen, Suzanne; Caesar, Lisa; van der Reijden, Michael I.J.A.; Bryne, Jan Christian; van Ijcken, Wilfred F.J.; Grootegoed, J. Anton; Delgado, M. Dolores; Lenhard, Boris; Renkawitz, Rainer; Grosveld, Frank; Galjart, Niels (Peer reviewed; Journal article, 2012-06-18)
      Background: CTCF is a highly conserved and essential zinc finger protein expressed in virtually all cell types. In conjunction with cohesin, it organizes chromatin into loops, thereby regulating gene expression and epigenetic ...

    • Male mate choice and selectivity in relation to female body size, in the seed beetle Callosobruchus maculatus 

      Holme, Andreas Næss (Master thesis, 2019-06-21)
      Selectivity in mate choice and mating behaviour is a central element of sexual selection, and an important component of evolution in a number of species across the animal kingdom. Mate choice relates to how individuals ...

    • Male mate choice and selectivity in relation to female mating status in the seed beetle Callosobruchus maculatus 

      Rousseau, Sidonie Edith Jeannine (Master thesis, 2021-06-01)
      Sexual selection plays a role in evolution and often follows the pattern where males are fighting to mate, while females are choosy due to their higher gamete investment. Males can also be selective if they have high costs ...

    • Male reproductive biology of European hake Merluccius merluccius 

      Groison, Anne-Laure (Doctoral thesis, 2010-05-14)
      The reproductive biology of European hake (Merluccius merluccius) has been studied extensively in the field, but mainly focusing on fecundity regulation in females and its implications for the fishery. The European hake ...

    • Mammalian herbivores restrict the altitudinal range limits of alpine plants. 

      Lynn, Joshua Scott; Miller, Tom E.X.; Rudgers, Jennifer A. (Journal article; Peer reviewed, 2021)
      Although rarely experimentally tested, biotic interactions have long been hypothesised to limit low-elevation range boundaries of species. We tested the effects of herbivory on three alpine-restricted plant species by ...

    • Management-driven evolution in a domesticated ecosystem 

      Vandvik, Vigdis; Töpper, Joachim Paul; Cook, Zoë; Daws, Matthew I.; Heegaard, Einar; Måren, Inger Elisabeth; Velle, Liv Guri (Peer reviewed; Journal article, 2014-02-12)
      Millennia of human land-use have resulted in the widespread occurrence of what have been coined ‘domesticated ecosystems’. The anthropogenic imprints on diversity, composition, structure and functioning of such systems are ...

    • Managing biodiversity: Impacts of Legal Protection in Mountain Forests of the Himalayas 

      Måren, Inger Elisabeth; Sharma, Lila Nath (Peer reviewed; Journal article, 2018-08-04)
      Legal protection has been used as means of conserving forests and associated biodiversity in many regions of the world since the eighteenth century. However, most forests in the global south, even those within protected ...

    • Managing spatial selections with contextual snapshots 

      Mindek, Peter; Gröller, Eduard; Bruckner, Stefan (Peer reviewed; Journal article, 2014-12)
      Spatial selections are a ubiquitous concept in visualization. By localizing particular features, they can be analysed and compared in different views. However, the semantics of such selections often depend on specific ...

    • Mangrove forest extent and status along the Eritrean Red Sea coast 

      Hailemichael, Mussie Tesfayesus (Master thesis, 2015-10-08)
      A mangrove forest species and spatial extent study has been conducted in Eritrea to see if there has been mangrove forest area change over the last two decades, and to describe mangrove cover status. GIS, field work data ...

    • Manipulating dynamical Rabi-splitting with two-color laser pulses 

      Agueny, Hicham; Taoutioui, Abdelmalek; Adnani, Younes; Makhoute, Abdelkader (Peer reviewed; Journal article, 2019)
      We theoretically investigate strong-field ionization of hydrogen atoms by orthogonally polarized two-color (OTC) laser pulses consisting of a fundamental field that is resonant with the 1s − 2p transition and its second ...