Now showing items 853-872 of 1137

    • Salt decollement and rift inheritance controls on crustal deformation in orogens 

      Grool, Arjan Ruben; Huismans, Ritske; Ford, Mary (Journal article; Peer reviewed, 2019-09)
      We investigate the factors that control the shortening distribution and its evolution through time in orogenic belts using numerical models. We present self‐consistent high‐resolution numerical models that simulate the ...
    • Sand textural control on shear-enhanced compaction bands in poorly-lithified sandstone 

      Skurtveit, Elin; Ballas, G.; Fossen, Haakon; Torabi, Anita; Soliva, Roger; Peyret, M. (Peer reviewed; Journal article, 2014)
      Sand textural control on SECB (shear-enhanced compaction band) formation is analyzed combining field observations, detailed material characterization and mechanical testing for poorly lithified sandstone units in Provence ...
    • Scanarray-a broadband seismological experiment in the baltic shield 

      Thybo, Hans; Bulut, Nevra; Grund, Michael; Mauerberger, Alexandra; Makushkina, Anna; Artemieva, Irina M.; Balling, Niels; Gudmundsson, Olafur; Maupin, Valerie; Ottemöller, Lars; Ritter, Joachim; Tilmann, Frederik (Journal article; Peer reviewed, 2021)
      The ScanArray international collaborative program acquired broadband seismological data at 192 locations in the Baltic Shield during the period between 2012 and 2017. The main objective of the program is to provide ...
    • Scattering approaches to modelling and inversion of acoustic and elastic waveform data 

      Xiang, Kui (Doctoral thesis, 2023-11-16)
      Spredningsmetoden er kraftig for å løse direkte og inverse spredningsproblemer i forskjellige bølgespredningsscenarioer. Full bølgeforminversjon, sett på som et ikke-lineært invers spredningsproblem, fremstår som en sentral ...
    • Sea ice thickness from air-coupled flexural waves 

      Romeyn, Rowan; Hanssen, Alfred; Ruud, Bent Ole; Johansen, Tor Arne (Journal article; Peer reviewed, 2021)
      Air-coupled flexural waves (ACFWs) appear as wave trains of constant frequency that arrive in advance of the direct air wave from an impulsive source travelling over a floating ice sheet. The frequency of these waves varies ...
    • Sea ice variability in the Nordic Seas over Dansgaard–Oeschger climate cycles during the last glacial – A biomarker approach 

      Sadatzki, Henrik (Doctoral thesis, 2019-02-15)
      The Arctic sea ice cover is in fast transition. Resolving past sea ice fluctuations and its link with abrupt climate change might be key for a better understanding of yet unknown climatic consequences of future Arctic sea ...
    • Sea ice variability in the southern Norwegian Sea during glacial Dansgaard-Oeschger climate cycles 

      Sadatzki, Henrik; Dokken, Trond Martin; Berben, Sarah Miche Patricia; Muschitiello, Francesco; Stein, Ruediger; Fahl, Kirsten; Menviel, Laurie; Timmermann, Axel; Jansen, Eystein (Peer reviewed; Journal article, 2019-03-06)
      The last glacial period was marked by pronounced millennial-scale variability in ocean circulation and global climate. Shifts in sea ice cover within the Nordic Seas are believed to have amplified the glacial climate ...
    • Seafloor earthquake ruptures and mass wasting from the 2004 Mw 6.3 Les Saintes submarine earthquake 

      Hughes, Alex; Escartín, Javier; Billant, Jeremy; Leclerc, Frédérique; Andreani, Muriel; Olive, Jean-Arthur; Arnaubec, Aurélien; Dano, Alexandre; Delorme, Arthur; Deplus, Christine; Feuillet, Nathalie; Gini, Caroline; Gracias, Nuno; Hamelin, Cedric; Istenič, Klemen; Komorowski, Jean-Christophe; Le Friant, Anne; Marchand, Claire; Mével, Catherine; Onstad, Solveig Lie; Quidelleur, Xavier (Journal article; Peer reviewed, 2023)
      The seismic hazard posed by submarine faults and the capacity of submarine earthquakes to trigger mass wasting are poorly understood because we lack detailed characterizations of coseismic ruptures at the seafloor. Here, ...
    • Seafloor expression and shallow structure of a surfacing fold-and-thrust system: an example from Isfjorden, West Spitsbergen 

      Blinova, Maria; Faleide, Jan Inge; Gabrielsen, Roy H.; Mjelde, Rolf (Peer reviewed; Journal article, 2012)
      A detailed map of the structure of the West Spitsbergen Fold-and-Thrust Belt in the shallow part of the Isfjorden area, Spitsbergen, is presented. The map was constructed from a new dense grid of 2D multichannel reflection ...
    • The seasonal evolution of subglacial drainage pathways beneath a soft-bedded glacier 

      Hart, Jane K.; Young, David S.; Baurley, Nathaniel R.; Robson, Benjamin Aubrey; Martinez, Kirk (Journal article; Peer reviewed, 2022)
      Subglacial hydrology is a key element in glacier response to climate change, but investigations of this environment are logistically difficult. Most models are based on summer data from glaciers resting on rigid bedrocks. ...
    • Seasonal sea ice persisted through the Holocene Thermal Maximum at 80°N 

      Pieńkowski, Anna J.; Husum, Katrine; Belt, Simon T.; Ninnemann, Ulysses S; Köseoğlu, Denizcan; Divine, Dmitry V.; Smik, Lukas; Knies, Jochen; Hogan, Kelly; Noormets, Riko (Journal article; Peer reviewed, 2021)
      The cryospheric response to climatic warming responsible for recent Arctic sea ice decline can be elucidated using marine geological archives which offer an important long-term perspective. The Holocene Thermal Maximum, ...
    • Sediment deformation atop the Lomonosov Ridge, central Arctic Ocean: Evidence for gas-charged sediment mobilization 

      Kristoffersen, Yngve; Hall, John K.; Nilsen, Espen Harris (Journal article; Peer reviewed, 2022)
      We have used a hovercraft platform drifting with the sea ice to acquire the first digitally recorded seismic reflection data transects across the Canada/Greenland (89°N-85°N) section of the Lomonosov Ridge, central Arctic ...
    • Sediment dispersal and redistributive processes in axial and transverse deep-time source-to-sink systems of marine rift basins: Dampier Sub-basin, Northwest Shelf, Australia 

      Chen, Hehe; Wood, Lesli J.; Gawthorpe, Robert (Journal article; Peer reviewed, 2021)
      Morphological scaling relationships between source‐to‐sink segments have been widely explored in modern settings, however, deep‐time systems remain difficult to assess due to limited preservation of drainage basins and ...
    • The Sediment Green-Blue Color Ratio as a Proxy for Biogenic Silica Productivity Along the Chilean Margin 

      Li, Chen; Clementi, Vincent J.; Bova, Samantha C; Rosenthal, Yair; Childress, Laurel B.; Wright, James D.; Jian, Zhimin; Aiello, Ivano W.; Avila, Alejandro; Biggs, William; Charles, Christopher D.; Cheung, Anson H.; deLong, Kimberly; Dove, Isabel A.; Du, Xiaojing; Estes, Emily R.; Fuentes, Ursula; García-Lasanta, Cristina; Goldstein, Steven L.; Golub, Anna; Hagemann, Julia Rieke; Hatfield, Robert G; Haynes, Laura L.; Hess, Anya V.; Irvali, Nil; Kiro, Yael; Monteagudo, Minda M.; Lambert, Jonathan E.; Longo, William M.; McGrath, Sarah; Riechelson, Hailey; Robinson, Rebecca S.; Sarao, John; Sproson, Adam D.; Taylor, Shawn; Yokoyama, Yusuke; Yu, Siyao M. (Journal article; Peer reviewed, 2022)
      Sediment cores recently collected from the Chilean Margin during D/V JOIDES Resolution Expedition 379T (JR100) document variability in shipboard-generated records of the green/blue (G/B) ratio. These changes show a strong ...
    • Sediment supply controls on sequence stratigraphy 

      Hella, Kristian Smith (Master thesis, 2012-06-01)
      A three-dimensional numerical model of deltaic deposition is used to study the influence of sediment supply changes on delta development. Sediment supply will have a cyclic variation under conditions of constant linear sea ...
    • Sedimentary analysis of the deep-water (Pliocene) Pellini Member, Corinth Rift, Greece 

      Førland, Marthe (Master thesis, 2016-08-23)
      This sedimentological study focuses on the architectural elements distinguished within the deep-water Pellini Member. The Pellini Member is located south of the active Corinth rift, within the uplifted and incised ...
    • Sedimentary anatomy and hydrological record of relic fluvial deposits in a karst cave conduit 

      Bella, Pavel; Gradziński, Michał; Hercman, Helena; Leszczyński, Stanisław; Nemec, Wojciech (Journal article; Peer reviewed, 2021)
      This case study from the renowned Demänová Cave System in the Carpathians of Slovakia demonstrates that the conventional methods of fluvial sedimentology, combined with an allostratigraphic mapping and speleothem U-series ...
    • Sedimentary ancient DNA reveals local vegetation changes driven by glacial activity and climate 

      Elliott, Lucas Dane; Rijal, Dilli Prasad; Brown, Antony; Bakke, Jostein; Topstad, Lasse; Heintzman, Peter D.; Alsos, Inger Greve (Journal article; Peer reviewed, 2023)
      Disentangling the effects of glaciers and climate on vegetation is complicated by the confounding role that climate plays in both systems. We reconstructed changes in vegetation occurring over the Holocene at Jøkelvatnet, ...
    • Sedimentary ancient DNA shows terrestrial plant richness continuously increased over the Holocene in northern Fennoscandia 

      Rijal, Dilli Prasad; Heintzman, Peter D.; Lammers, Youri; Yoccoz, Nigel; Lorberau, Kelsey; Pitelkova, Iva; Goslar, Tomasz; Murguzur, Francisco Javier Ancin; Salonen, J. Sakari; Helmens, Karin F.; Bakke, Jostein; Edwards, Mary E.; Alm, Torbjørn; Bråthen, Kari Anne; Brown, Antony; Alsos, Inger Greve (Journal article; Peer reviewed, 2021)
      The effects of climate change on species richness are debated but can be informed by the past. Here, we generated a sedimentary ancient DNA dataset covering 10 lakes and applied novel methods for data harmonization. We ...
    • Sedimentary architecture of sand bodies in the shallow marine Endalen Member, Firkanten Formation (Paleocene) of the Adventdalen Area, Svalbard 

      Grasdal, Øystein (Master thesis, 2018-06-30)
      The Firkanten Formation has been the object of many research projects, but due to the economic interests in the lower coal bearing Todalen Member, the upper Endalen Member has received little attention. The Endalen Member ...