Browsing Institutt for geofag by Title

Now showing items 1142-1161 of 2342

  • LA-ICP-MS U–Pb dating of rutiles associated with hydrothermal mineralization along the southern Araçuaí Belt, SE Brazil 
    Santos, Maristella M; Lana, Cristiano; Scholz, Ricardo; Buick, Ian S.; Kamo, Sandra L.; Corfu, Fernando; Queiroga, Gláucia Nascimento (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2020)
    The presence of hydrothermal rutile enables the dating of mineralization related to hydrothermal processes. Refinement of the laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) technique is key to ...
  • Laboratory Evaluation of Mechanical Properties of Draupne Shale Relevant for CO2 Seal Integrity 
    Soldal, Magnus; Skurtveit, Elin; Choi, Jung Chan (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    The mechanical integrity of caprocks overlying injection formations is one of the key factors for safe storage of carbon dioxide in geological formations. Undrained effects caused by CO2 injection on strength and elastic ...
  • Laboratory Modeling of Coeval Brittle and Ductile Deformation During Magma Emplacement Into Viscoelastic Rocks. 
    Bertelsen, Håvard Svanes; Rogers, Benjamin David; Galland, Olivier; Dumazer, Guillaume Henri; Benanni, Alexandre Abbana (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    The mechanics of magma emplacement in the Earth's crust corresponds to the flow of a viscous fluid into a deforming solid. The Earth's crust through which magma is emplaced is visco-elasto-plastic, and field observations ...
  • Lagrangian drift in a permeable bottom layer induced by internal gravity waves 
    Weber, Jan Erik H. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    The mean drift in a permeable homogeneous bottom layer caused by internal gravity waves in an overlying stratified fluid, is investigated theoretically. We apply a Lagrangian formulation, together with the long-wave ...
  • Lagrangian studies of wave-induced flows in a viscous ocean 
    Weber, Jan Erik H. (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
  • Lake Tauca highstand (Heinrich Stadial 1a) driven by a southward shift of the Bolivian High 
    Martin, Leo Celestin Paul; Blard, Pierre-Henri; Lavé, Jérôme; Condom, Thomas; Prémaillon, Mélody; Jomelli, Vincent; Brunstein, Daniel; Lupker, Maarten; Charreau, Julien; Mariotti, Véronique; Tibary, Bouchaïb; Team, ASTER; Davy, Emmanuel (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    Heinrich events are characterized by worldwide climate modifications. Over the Altiplano endorheic basin (high tropical Andes), the second half of Heinrich Stadial 1 (HS1a) was coeval with the highstand of the giant paleolake ...
  • Landformer på Mars 
    Gallis, Kristian Andre (Master thesis / Masteroppgave, 2006)
    Gjennom all tid har menneskene prøvd å få vite så mye om Mars som mulig. Gjennom århundrene har forskerne alltid brukt den mest avanserte teknologien i sin tid. Før Galileo Galilei kunne vi bare observere med det bare øyet, ...
  • Large changes in sea ice triggered by small changes in Atlantic water temperature 
    Jensen, Mari Fjalstad; Nisancioglu, Kerim Hestnes; Spall, Michael A. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    The sensitivity of sea ice to the temperature of inflowing Atlantic water across the Greenland–Scotland Ridge is investigated using an eddy-resolving configuration of the Massachusetts Institute of Technology General ...
  • Large difference in aerosol radiative effects from BVOC-SOA treatment in three Earth system models 
    Sporre, Moa Kristina; Blichner, Sara Marie; Schrödner, Roland; Karset, Inger Helene H.; Berntsen, Terje Koren; Van Noije, Twan; Bergman, Tommi; O'Donnell, Declan; Makkonen, Risto (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Abstract. Biogenic volatile organic compounds (BVOCs) emitted from vegetation are oxidised in the atmosphere and can form aerosol particles either by contributing to new particle formation or by condensing onto existing ...
  • Large drainages from short-lived glacial lakes in the Teskey Range, Tien Shan Mountains, Central Asia 
    Narama, Chiyuki; Daiyrov, Mirlan; Duishonakunov, Murataly; Tadono, Takeo; Sato, Hayato; Kääb, Andreas; Ukita, Jinro; Abdrakhmatov, Kanatbek (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    Four large drainages from glacial lakes occurred during 2006–2014 in the western Teskey Range, Kyrgyzstan. These floods caused extensive damage, killing people and livestock as well as destroying property and crops. Using ...
  • Large loss of CO2 in winter observed across the northern permafrost region 
    Natali, Susan M.; Watts, Jennifer D.; Rogers, Brendan M.; Potter, Stefano; Ludwig, Sarah M.; Selbmann, Anne-Katrin; Sullivan, Patrick F.; Abbott, Benjamin W.; Arndt, Kyla A.; Birch, Leah; Björkman, Mats P.; Bloom, A. Anthony; Celis, Gerardo; Christensen, Torben R.; Christiansen, Casper Tai; Commane, Roisin; Cooper, Elisabeth J.; Crill, Patrick; Czimczik, Claudia; Davydov, Sergey; Du, Jinyang; Egan, Jocelyn E.; Elberling, Bo; Euskirchen, Eugenie S.; Friborg, Thomas; Genet, Hélène; Göckede, Mathias; Goodrich, Jordan P.; Grogan, Paul; Helbig, Manuel; Jafarov, Elchin E.; Jastrow, Julie D.; Kalhori, Aram A. M.; Kim, Yongwon; Kimball, John S.; Kutzbach, Lars; Lara, Mark J.; Larsen, Klaus S.; Lee, Bang-Yong; Liu, Zhihua; Loranty, Michael M.; Lund, Magnus; Lupascu, Massimo; Madani, Nima; Malhotra, Avni; Matamala, Roser; McFarland, Jack; McGuire, A. David; Michelsen, Anders; Minions, Christina; Oechel, Walter C.; Olefeldt, David; Parmentier, Frans-Jan W.; Pirk, Norbert; Poulter, Ben; Quinton, William; Rezanezhad, Fereidoun; Risk, David; Sachs, Torsten; Schaefer, Kevin; Schmidt, Niels M.; Schuur, Edward A. G.; Semenchuk, Philipp R.; Shaver, Gaius; Sonnentag, Oliver; Starr, Gregory; Treat, Claire C.; Waldrop, Mark P.; Wang, Yihui; Welker, Jeffrey; Wille, Christian; Xu, Xiaofeng; Zhang, Zhen; Zhuang, Qianlai; Zona, Donatella (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
    Recent warming in the Arctic, which has been amplified during the winter1,2,3, greatly enhances microbial decomposition of soil organic matter and subsequent release of carbon dioxide (CO2)4. However, the amount of CO2 ...
  • Large subglacial source of mercury from the southwestern margin of the Greenland Ice Sheet 
    Hawkings, Jon R.; Wadham, Jemma Louise; Stibal, Marek; Lamborg, Carl H.; Lamarche-Gagnon, Guillaume; Kohler, Tyler J.; Hendry, Katharine R.; Falteisek, Lukáš; Kellerman, Anne M.; Cameron, Karen A.; Hatton, Jade E.; Vinšová, Petra; Hofer, Stefan; Bulinová, Marie; Meire, Lorenz; Spencer, Robert G.M.; Linhoff, Bengajim S. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    The Greenland Ice Sheet is currently not accounted for in Arctic mercury budgets, despite large and increasing annual runoff to the ocean and the socio-economic concerns of high mercury levels in Arctic organisms. Here we ...
  • Large-scale features of Last Interglacial climate: results from evaluating the lig127k simulations for the Coupled Model Intercomparison Project (CMIP6)–Paleoclimate Modeling Intercomparison Project (PMIP4) 
    Otto-Bliesner, Bette L.; Brady, Esther C.; Zhao, Anni; Brierley, Chris M.; Axford, Yarrow; Capron, Emilie; Govin, Aline; Hoffman, Jeremy S.; Isaacs, Elizabeth; Kageyama, Masa; Scussolini, Paolo; Tzedakis, Polychronis C.; Williams, Charles J.R.; Wolff, Eric W.; Abe-Ouchi, Ayako; Braconnot, Pascale; Ramos Buarque, Silvana; Cao, Jian; de Vernal, Anne; Vittoria Guarino, Maria; Guo, Chuncheng; Legrande, Allegra N.; Lohmann, Gerrit; Meissner, Katrin J.; Menviel, Laurie; Morozova, Polina A.; Nisancioglu, Kerim H.; O'Ishi, Ryouta; Mélia, David Salas Y.; Shi, Xaoxu; Sicard, Marie; Sime, Louise C.; Stepanek, Christian; Tomas, Robert A.; Volodin, Evgeny; Yeung, Nicholas K.H.; Zhang, Qiong; Zhang, Zhongshi; Zheng, Weipeng (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    The modeling of paleoclimate, using physically based tools, is increasingly seen as a strong out-of-sample test of the models that are used for the projection of future climate changes. New to the Coupled Model Intercomparison ...
  • Large-Scale Hydrology in Europe : Observed Patterns and Model Performance 
    Gudmundsson, Lukas (Doctoral thesis / Doktoravhandling, 2011)
    In a changing climate, terrestrial water storages are of great interest as water availability impacts key aspects of ecosystem functioning. Thus, a better understanding of the variations of wet and dry periods will contribute ...
  • Large-scale sill emplacement in Brazil as a trigger for the end-Triassic crisis 
    Heimdal, Thea Hatlen; Svensen, Henrik; Ramezani, Jahandar; Iyer, Karthik Herman; Pereira, Egberto; Rodrigues, René; Jones, Morgan Thomas; Callegaro, Sara (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
  • Large-scale sill emplacement of the Central Atlantic Magmatic Province (CAMP) in the Amazonas and Solimões basins, Brazil: a multidisciplinary approach to unravel the environmental implications for the end-Triassic crisis 
    Heimdal, Thea Hatlen (Doctoral thesis / Doktoravhandling, 2018)
    I løpet av Jordas historie har det oppstått fem store masseutryddelser, hvor over 70 % av livet ble utryddet og det oppstod store klimatiske endringer. Fire av utryddelsene korrelerer i tid med store vulkanutbrudd, og det ...
  • Large-scale, flat-lying mafic intrusions in the Baltican crust and their influence on basement deformation during the Caledonian orogeny 
    Lescoutre, Rodolphe; Almqvist, Bjarne; Koyi, Hemin; Berthet, Théo; Hedin, Peter; Galland, Olivier; Brahimi, Sonia; Lorenz, Henning; Juhlin, Christopher (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Abstract The Fennoscandian Shield in central Sweden displays a complex structural and compositional architecture that is mainly related to the Proterozoic history of the Baltica paleocontinent. In its western ...
  • Late Cenozoic Evolution of the northern North Sea and the North Sea Fan 
    Malla, Smita (Master thesis / Masteroppgave, 2007)
    Abstract The study was mainly focused on the development of the Late Cenozoic shelf outbuilding in the northern North Sea and offshore mid-Norway. Principles of seismic sequence stratigraphy were applied as a tool to ...
  • Late Cenozoic Sedimentary Outbuilding Offshore Mid-Norway : Integrated Basin Analysis 
    Rahman, Mohammad Najibur (Master thesis / Masteroppgave, 2006)
    This study focuses on the Late Cenozoic development of the Mid-Norwegian continental margin, with emphasis on seismic sequence patterns and relative differential tectonic movements. Seismic stratigraphic framework has been ...
  • Late Cenozoic sedimentary outbuilding offshore mid-Norway : sequence stratigraphic analysis 
    Abbas, Nadeem (Master thesis / Masteroppgave, 2006)
    Abstract Cenozoic sedimentary successions along the passive continental margins of the Atlantic Ocean are of central importance in petroleum exploration. The aim of the present study has been to improve the understanding ...