• Radiation damage allows identification of truly inherited zircon 

      Bjerga, Anders; Stubseid, Håvard Hallås; Pedersen, Leif-Erik Rydland; Pedersen, Rolf B. (Journal article; Peer reviewed, 2022)
      Many studies have reported U-Pb dates of zircon that are older than the igneous rocks that contain them, and they are therefore thought to be inherited from older rock complexes. Their presence has profound geodynamic ...
    • Rapid and sustained environmental responses to global warming: the Paleocene–Eocene Thermal Maximum in the eastern North Sea 

      Stokke, Ella W.; Jones, Morgan Thomas; Riber, Lars; Haflidason, Haflidi; Midtkandal, Ivar; Schultz, Bo; Svensen, Henrik (Journal article; Peer reviewed, 2021)
      The Paleocene–Eocene Thermal Maximum (PETM; ∼ 55.9 Ma) was a period of rapid and sustained global warming associated with significant carbon emissions. It coincided with the North Atlantic opening and emplacement of the ...
    • Rapid post-glacial bedrock weathering in coastal Norway 

      Andersen, Jane Lund; Margreth, Annina; Fredin, Ola; Linge, Henriette; Goodfellow, Bradley W.; Faust, Johan Christoph; Knies, Jochen; Solbakk, Terje; Brook, Edward J.; Scheiber, Thomas; van der Lelij, Roelant; Burki, Valentin Josef; Rubensdotter, Brita Lena Eleonor Fredin; Himmler, Tobias; Yesilyurt, Serdar; Christl, Marcus; Vockenhuber, Christof; Akcar, Naki (Journal article; Peer reviewed, 2022)
      Quantifying bedrock weathering rates under diverse climate conditions is essential to understanding timescales of landscape evolution. Yet, weathering rates are often difficult to constrain, and associating a weathered ...
    • Rapid retreat of a Scandinavian marine outlet glacier in response to warming at the last glacial termination 

      Åkesson, Henning; Gyllencreutz, Richard; Mangerud, Jan; Svendsen, John-Inge; Nick, Faezeh M.; Nisancioglu, Kerim Hestnes (Journal article; Peer reviewed, 2020)
      Marine outlet glaciers on Greenland are retreating, yet it is unclear if the recent fast retreat will persist, and how atmosphere and ocean warming will impact future retreat. We show how a marine outlet glacier in ...
    • Rapid Tephra Identification in Geological Archives With Computed Tomography: Experimental Results and Natural Applications 

      Van Der Bilt, Willem; Cederstrøm, Jan Magne; Støren, Eivind Wilhelm Nagel; Berben, Sarah Miche Patricia; Rutledal, Sunniva (Journal article; Peer reviewed, 2021)
      Volcanic ash (tephra) horizons represent powerful chronological and stratigraphic markers: rapid and widespread deposition allows for correlation of geological records in time and space. Recent analytical advances enable ...
    • Ray-Born Modelling and Full Waveform Inversion 

      Tengesdal, Hans Christian (Master thesis, 2013-06-03)
      Seismic forward modelling is used to simulate seismic wave propagation in the subsurface. Common modelling techniques include methods such as the ray-Born approximation and the finite difference method. In this thesis I ...
    • Re-evaluation and extension of the Marine Isotope Stage 5 tephrostratigraphy of the Faroe Islands region: The cryptotephra record 

      Abbott, Peter M.; Austin, William E.N.; Davies, Siwan M.; Pearce, Nicholas John Geoffrey; Rasmussen, Tine Lander; Wastegård, Stefan; Brendryen, Jo (Peer reviewed; Journal article, 2014-09-01)
      Previous studies of marine sequences from the Faroe Islands region have identified a series of coarse-grained tephra horizons deposited during Marine Isotope Stage (MIS) 5. Here we reassess the MIS 5 tephrostratigraphy of ...
    • A reappraisal of the H–κ stacking technique: implications for global crustal structure 

      Ogden, CS; Bastow, Ian D; Gilligan, Amy; Rondenay, Stéphane (Journal article; Peer reviewed, 2019)
      H–κ stacking is used routinely to infer crustal thickness and bulk-crustal VP/VS ratio from teleseismic receiver functions. The method assumes that the largest amplitude P-to-S conversions beneath the seismograph station ...
    • Reconnaissance report and preliminary ground motion simulation of the 12 May 2008 Wenchuan earthquake 

      Bjerrum, Louise Wedderkopp; Atakan, Kuvvet; Sørensen, Mathilde Bøttger (Peer reviewed; Journal article, 2010)
      The Mw = 8.0Wenchuan earthquake of May 12, 2008, caused destruction over a wide area. The earthquake cost more than 69,000 lives and the damage is reported to have left more than 5 million people homeless. It is estimated ...
    • Reconstructing early Holocene seasonal bottom-water temperatures in the northern North Sea using stable oxygen isotope records of Arctica islandica shells 

      Trofimova, Tamara; Andersson, Carin; Bonitz, Fabian; Pedersen, Leif-Erik Rydland; Schöne, Bernd R. (Journal article; Peer reviewed, 2021)
      The knowledge of seasonal temperature variability in the ocean is essential for understanding climate and its response to forcing factors. Time intervals with highly dynamic climate and increased seasonal forcing such as ...
    • Reconstructing environmental variability at Leynavatn, Faroe Islands 

      Langnæs, Melissa Marie (Master thesis, 2019-06-26)
      A new continuous environmental reconstruction has been established based on a 390 cm long lake core from Leynavatn Streymoy (southeast Faroes Islands), containing sediments spanning from the last 550 CE (Common Era). To ...
    • Reconstructing surface mass balance from the englacial stratigraphy of the Greenland Ice Sheet 

      Theofilopoulos, Alexios (Doctoral thesis, 2022-09-30)
      Interiøren av isflakene består av mange lag akkumulert snø, hvis tykkelse avhenger av overflatemassebalanse (OMB) fra fortiden og effekten av dynamisk tynning etter lagenes avsetning. Denne oppgaven undersøker påvirkningen ...
    • Reconstruction of changes in the Weddell Sea sector of the Antarctic Ice Sheet since the Last Glacial Maximum 

      Hillenbrand, Claus-dieter; Bentley, Michael J.; Stolldorf, Travis D.; Hein, Andrew S.; Kuhn, Gerhard; Graham, Alastair G.C.; Fogwill, Christopher J.; Kristoffersen, Yngve; Smith, James A.; Anderson, John B.; Larter, Robert D.; Melles, Martin; Hodgson, Dominic A.; Mulvaney, Robert; Sugden, David E. (Peer reviewed; Journal article, 2014-09-15)
      A robust understanding of Antarctic Ice Sheet deglacial history since the Last Glacial Maximum is important in order to constrain ice sheet and glacial-isostatic adjustment models, and to explore the forcing mechanisms ...
    • Reconstruction of glacier variability from lake sediments reveals dynamic Holocene climate in Svalbard 

      Bilt, Willem van der; Bakke, Jostein; Vasskog, Kristian; D`Andrea, William; Bradley, Raymond S.; Ólafsdóttir, Sædis (Peer reviewed; Journal article, 2015-09-12)
      The Arctic is warming faster than anywhere else on Earth. Holocene proxy time-series are increasingly used to put this amplified response in perspective by understanding Arctic climate processes beyond the instrumental ...
    • Record summer rains in 2019 led to massive loss of surface and cave ice in SE Europe 

      Perşoiu, Aurel; Buzjak, Nenad; Onaca, Alexandru; Pennos, Christos; Sotiriadis, Yorgos; Ionita, Monica; Zachariadis, Stavros; Styllas, Michael; Košutnik, Jure; Hegyi, Alexandru; Butorac, Valerija (Journal article; Peer reviewed, 2021)
      Glaciers worldwide are shrinking at an accelerated rate as the climate changes in response to anthropogenic influence. While increasing air temperature is the main factor behind glacier mass and volume loss, variable ...
    • Record-breaking height for 8000-Year-Old tsunami in the North Atlantic 

      Bondevik, Stein; Mangerud, Jan; Dawson, Sue; Dawson, Alastair; Lohne, Øystein S. (EOS : Transactions;Vol. 84, No.31, Journal article, 2003-08-05)
    • Reduced El Niño variability in the mid-Pliocene according to the PlioMIP2 ensemble 

      Oldeman, Arthur M.; Baatsen, Michiel L. J.; Von Der Heydt, Anna S.; Dijkstra, Henk A.; Tindall, Julia C.; Abe-Ouchi, Ayako; Booth, Alice R.; Brady, Esther C.; Chan, Wing-Le; Chandan, Deepak; Chandler, Mark A.; Contoux, Camille; Feng, Ran; Guo, Chuncheng; Haywood, Alan M.; Hunter, Stephen J.; Kamae, Youichi; Li, Qiang; Li, Xiangyu; Lohmann, Gerrit; Lunt, Daniel J.; Nisancioglu, Kerim Hestnes; Otto-Bliesner, Bette L.; Peltier, W. Richard; Pontes, Gabriel M.; Ramstein, Gilles; Sohl, Linda E.; Stepanek, Christian; Tan, Ning; Zhang, Qiong; Zhang, Zhongshi; Wainer, Ilana; Williams, Charles J. R. (Journal article; Peer reviewed, 2021)
      The mid-Pliocene warm period (3.264–3.025 Ma) is the most recent geological period during which atmospheric CO2 levels were similar to recent historical values (∼400 ppm). Several proxy reconstructions for the mid-Pliocene ...
    • Reducing Uncertainties in Carbonate Clumped Isotope Analysis Through Consistent Carbonate-Based Standardization 

      Bernasconi, Stefano M.; Muller, Inigo A; Bergmann, Kristin D; Breitenbach, Sebastian F.M.; Fernandez, Alvaro; Hodell, David A; Jaggi, Madalina; Meckler, Anna Nele; Millan, Isabel; Ziegler, Martin (Peer reviewed; Journal article, 2018)
      About a decade after its introduction, the field of carbonate clumped isotope thermometry is rapidly expanding because of the large number of possible applications and its potential to solve long‐standing questions in Earth ...
    • Refining benthic foraminiferal Mg/Ca-temperature calibrations using core-tops from the western tropical Atlantic: Implication for paleotemperature estimation 

      Tisserand, Amandine Aline; Dokken, Trond Martin; Waelbroeck, Claire; Gherardi, Jeanne-M.; Scao, Vincent; Fontanier, Christophe; Jorissen, Frans (Peer reviewed; Journal article, 2013-04)
      Benthic foraminiferal Mg/Ca has been shown to have great potential as a proxy for reconstructing deep water temperatures. However, the exact relationship between Mg uptake in benthic foraminifera and temperature is still ...
    • Regional correlation and seismic stratigraphy of Triassic Strata in the Greater Barents Sea: implications for sediment transport in Arctic basins 

      Gilmullina, Albina; Klausen, Tore Grane; Paterson, Niall William; Suslova, Anna A.; Eide, Christian Haug (Journal article; Peer reviewed, 2020)
      The Greater Barents Sea Basin (GBSB) in Arctic Russia and Norway is an intracratonic basin that accommodated an enormous amount of sediment during the Triassic. These deposits are up to 4.5 km thick over an area 2,500,000 ...