Recent Submissions

  • Adaptive evolution of viruses infecting marine microalgae (haptophytes), from acute infections to stable coexistence 

    Sandaa, Ruth-Anne; Saltvedt, Marius Rydningen; Dahle, Håkon; Wang, Haina; Våge, Selina; Blanc-Mathieu, Romain; Steen, Ida Helene; Grimsley, Nigel; Edvardsen, Bente; Ogata, Hiroyuki; Lawrence, Janice (Journal article; Peer reviewed, 2022)
    Collectively known as phytoplankton, photosynthetic microbes form the base of the marine food web, and account for up to half of the primary production on Earth. Haptophytes are key components of this phytoplankton community, ...
  • Ecological ramifications of adaptation to size-selective mortality 

    Evangelista, Charlotte; Dupeu, Julia; Sandkjenn, Joakim; Pauli, Beatriz Diaz; Herland, Anders; Meriguet, Jacques; Vøllestad, Leif Asbjørn; Edeline, Eric (Journal article; Peer reviewed, 2021)
    Size-selective mortality due to harvesting is a threat to numerous exploited species, but how it affects the ecosystem remains largely unexplored. Here, we used a pond mesocosm experiment to assess how evolutionary responses ...
  • Prediction of Soft Proton Intensities in the Near-Earth Space Using Machine Learning 

    Kronberg, Elena A.; Hannan, Tanveer; Huthmacher, Jens; Münzer, Marcus; Peste, Florian; Zhou, Ziyang; Berrendorf, Max; Faerman, Evgeniy; Gastaldello, Fabio; Ghizzardi, Simona; Escoubet, Philippe; Haaland, Stein; Smirnov, Artem; Sivadas, Nithin; Allen, Robert C.; Tiengo, Andrea; Ilie, Raluca (Journal article; Peer reviewed, 2021)
    The spatial distribution of energetic protons contributes to the understanding of magnetospheric dynamics. Based upon 17 yr of the Cluster/RAPID observations, we have derived machine-learning-based models to predict the ...
  • Co-occurrence of contaminants in marine fish from the North East Atlantic Ocean: Implications for human risk assessment 

    Ho, Quang Tri; Bank, Michael; Mahjour Azad, Atabak; Nilsen, Bente Merete; Frantzen, Sylvia; Boitsov, Stepan; Måge, Amund; Kögel, Tanja; Sanden, Monica; Frøyland, Livar; Hannisdal, Rita; Hove, Helge Torbjørn; Lundebye, Anne-Katrine; Nøstbakken, Ole Jakob; Madsen, Lise (Journal article; Peer reviewed, 2021)
    Marine fish from the North East Atlantic Ocean (NEAO) are nutrient rich and considered a valuable economic resource. However, marine fish are also a major dietary source of several contaminants, including persistent organic ...
  • 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 ...
  • p-Kernel Stein Variational Gradient Descent for Data Assimilation and History Matching 

    Stordal, Andreas Størksen; Moraes, Rafael J.; Raanes, Patrick N.; Evensen, Geir (Journal article; Peer reviewed, 2021)
    A Bayesian method of inference known as “Stein variational gradient descent” was recently implemented for data assimilation problems, under the heading of “mapping particle filter”. In this manuscript, the algorithm is ...
  • CHOPCHOP v2: a web tool for the next generation of CRISPR genome engineering 

    Valen, Eivind; Labun, Kornel; Montague, Tessa G.; Gagnon, James A.; Thyme, Summer B. (Journal article; Peer reviewed, 2016)
    In just 3 years CRISPR genome editing has transformed biology, and its popularity and potency continue to grow. New CRISPR effectors and rules for locating optimum targets continue to be reported, highlighting the need for ...
  • The Impact of Energetic Electron Precipitation on Mesospheric Hydroxyl Radical 

    Zawedde, Annet Eva (Doctoral thesis, 2018-12-12)
  • Impacts of Ionospheric Ions on Magnetic Reconnection and Earth's Magnetosphere Dynamics 

    Toledo-Redondo, S; Andre, M; Aunai, N; Chappell, Charles Richard; Dargent, Jeremy; Fuselier, S.; Glocer, Alex; Graham, D. B.; Håland, Stein Egil; Hesse, M.; Kistler, L. M.; Lavraud, B.; Li, W.; Moore, T. E.; Tenfjord, Paul Arne Riksheim; Vines, S. K. (Journal article; Peer reviewed, 2021)
    Ionospheric ions (mainly H+, He+, and O+) escape from the ionosphere and populate the Earth's magnetosphere. Their thermal energies are usually low when they first escape the ionosphere, typically a few electron volt to ...
  • Results of the Electron Drift Instrument on Cluster 

    Paschmann, G; Quinn, Jack M.; Torbert, R.B.; McIllwain, C; Vaith, H; Haaland, S.; Matsui, Hiroshi; Kletzing, Craig A.; Baumjohann, W; Haerendel, G (Journal article; Peer reviewed, 2021)
    The electron drift instrument (EDI) on Cluster pioneered a new method of measuring electric fields, using a beam of electrons to sample the drift velocity over a km-scale gyro orbit. The technique is especially well suited ...
  • Mechanisms of decadal North Atlantic climate variability and implications for the recent cold anomaly 

    Årthun, Marius; Wills, Robert C.J.; Johnson, Helen L.; Chafik, Leon; Langehaug, Helene R. (Journal article; Peer reviewed, 2021)
    Decadal sea surface temperature (SST) fluctuations in the North Atlantic Ocean influence climate over adjacent land areas and are a major source of skill in climate predictions. However, the mechanisms underlying decadal ...
  • A New Concept to Measure the Ambipolar Electric Field Driving Ionospheric Outflow 

    Li, Kun; Håland, Stein Egil; Wei, Yong (Journal article; Peer reviewed, 2021)
    Over the last few decades, the role of ionospheric outflow for the loss of atmospheric constituents, as a plasma supplier to the magnetosphere and hence for the evolution of the Earth’s atmosphere has been recognized. A ...
  • Deciphering the metamorphic framework of ophiolite alteration and devolatilization at Linnajarvi, N-Norway 

    Arstein, Halfdan (Master thesis, 2021-12-01)
    Kvitfjell ultramafic body is one of around 20 ultramafic bodies found in the Linnajavri area of Northern Norway. These ultramafic fragments are situated within the Köli Nappe of the Upper Allochthon in the Caledonian ...
  • NorCPM1 and its contribution to CMIP6 DCPP 

    Bethke, Ingo; Wang, Yiguo; Counillon, Francois Stephane; Keenlyside, Noel Sebastian; Kimmritz, Madlen; Fransner, Filippa; Samuelsen, Annette; Langehaug, Helene R.; Svendsen, Lea; Chiu, Ping-Gin; Passos, Leilane G.; Bentsen, Mats; Guo, Chuncheng; Gupta, Alok Kumar; Tjiputra, Jerry; Kirkevåg, Alf; Oliviè, Dirk Jan Leo; Seland, Øyvind; Vågane, Julie Solsvik; Fan, Yuanchao; Eldevik, Tor (Journal article; Peer reviewed, 2021)
    The Norwegian Climate Prediction Model version 1 (NorCPM1) is a new research tool for performing climate reanalyses and seasonal-to-decadal climate predictions. It combines the Norwegian Earth System Model version 1 (NorESM1) ...
  • Heavy Metal and Rock in Space: Cluster RAPID Observations of Fe and Si 

    Håland, Stein Egil; Daly, Patrick W.; Vilenius, Esa (Journal article; Peer reviewed, 2021)
    Metallic and silicate ions carry essential information about the evolution of the Earth and near-Earth small bodies. Despite this, there has so far been very little focus on ions with atomic masses higher than oxygen in ...
  • Contributors to linkage between Arctic warming and East Asian winter climate 

    Xu, Xinping; He, Shengping; Gao, Yongqi; Zhou, Botao; Wang, Huijun (Journal article; Peer reviewed, 2021)
    Previous modelling and observational studies have shown discrepancies in the interannual relationship of winter surface air temperature (SAT) between Arctic and East Asia, stimulating the debate about whether Arctic change ...
  • Investigating the Disordered and Membrane-Active Peptide A-Cage-C Using Conformational Ensembles 

    Dobrovolska, Olena; Strømland, Øyvind; Handegård, Ørjan Sele; Jakubec, Martin; Govasli Larsen, Morten Andreas; Skjevik, Åge Aleksander; Frøystein, Nils Åge; Teigen, Knut; Halskau, Øyvind (Journal article; Peer reviewed, 2021)
    The driving forces and conformational pathways leading to amphitropic protein-membrane binding and in some cases also to protein misfolding and aggregation is the subject of intensive research. In this study, a chimeric ...
  • Ocean surface currents derived from Sentinel-1 SAR Doppler shift measurements 

    Moiseev, Artem (Doctoral thesis, 2021-05-20)
    Reliable information about ocean surface currents is crucial for operational oceanography, regulating weather development, and climate research (e.g., UN SDG 13). Upper-ocean currents are also key for monitoring life below ...
  • Site Sonar - A monitoring tool for ALICE’s Grid Sites 

    Sandvik, Even Berge (Master thesis, 2021-12-17)
    As the data collected by the LHC increases, the demand for computing resources follow. The JAliEn middleware was created to handle the high-throughput of data expected from ALICE in Run 3. However, making the sites in ...
  • Utilization of dietary minerals in Atlantic salmon fed blue mussel silage 

    Forshei, Aksel Nytun (Master thesis, 2021-11-22)

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