Now showing items 77-96 of 959

    • Climate in Svalbard 2100 

      Adakudlu, Muralidhar; Andresen, J; Bakke, Jostein; Beldring, S.; Benestad, Rasmus; Bilt, Willem van der; Bogen, J.; Borstad, Christopher Paul; Breili, Kristian; Breivik, Øyvind; Børsheim, Knut Yngve; Christiansen, Hanne H; Dobler, Andreas; Engeset, Rune; Frauenfelder, Regula; Gerland, Sebastian; Gjelten, Herdis Motrøen; Gundersen, Jeanette; Isaksen, Ketil; Jaedicke, Christian; Kierulf, Halfdan; Kohler, Jack; Li, H.; Lutz, J.; Melvold, Kjetil; Mezghani, Abdelkader; Nilsen, F.; Nilsen, Irene Brox; Nilsen, Jan Even Øie; Pavlova, O.; Ravndal, Ole; Risebrobakken, Bjørg; Saloranta, Tuomo; Sandven, Stein; Schuler, Thomas; Simpson, Matthew James Ross; Skogen, Morten D.; Smedsrud, Lars H.; Sund, Monica; Vikhamar-Schuler, D.; Westermann, Sebastian; Wong, Wai Kwok (Research report, 2019-01)
      This report was commissioned by the Norwegian Environment Agency in order to provide basic information for use in climate change adaptation in Svalbard. It includes descriptions of historical, as well as projections for ...
    • Climate transition at the Eocene-Oligocene influenced by bathymetric changes to the Atlantic-Arctic oceanic gateways 

      Straume, Eivind Olavson; Nummelin, Aleksi Henrynpoika; Gaina, Carmen; Nisancioglu, Kerim Hestnes (Journal article; Peer reviewed, 2022)
      The Eocene–Oligocene Transition (∼33.9 Ma) marks the largest step transformation within the Cenozoic cooling trend and is characterized by a sudden growth of the Antarctic ice sheets, cooling of the interior ocean, and the ...
    • Climate variability in the subarctic area for the last 2 millennia 

      Nicolle, Marie; Debret, Maxime; Massei, Nicolas; Colin, Christophe; de Vernal, Anne; Divine, Dmitry V; Werner, Johannes; Hormes, Anne; Korhola, Atte; Linderholm, Hans W. (Peer reviewed; Journal article, 2018-01-25)
      To put recent climate change in perspective, it is necessary to extend the instrumental climate records with proxy data from paleoclimate archives. Arctic climate variability for the last 2 millennia has been investigated ...
    • Climate, glacial and vegetation history of the Polar Ural Mountains since early MIS 2 inferred from a 54-m-long sediment core from Lake Bolshoye Shuchye 

      Lenz, Marlene M.; Andreev, Andrei; Nazarova, Larisa; Syrykh, Liudmila S.; Scheidt, Stephanie; Haflidason, Haflidi; Meyer, Hanno; Brill, Dominik; Wagner, Bernd; Gromig, Raphael; Lenz, Matthias; Rolf, Christian; Kuhn, Gerhard; Fedorov, Grigoriy; Svendsen, John Inge; Melles, Martin (Journal article; Peer reviewed, 2021)
      Because continuous and high-resolution records are scarce in the polar Urals, a multiproxy study was carried out on a 54 m long sediment succession (Co1321) from Lake Bolshoye Shchuchye. The sedimentological, geochemical, ...
    • A climatic trigger for the giant Troll pockmark field in the northern North Sea 

      Mazzini, Adriano; Svensen, Henrik; Forsberg, Carl Fredrik; Linge, Henriette; Lauritzen, Stein-Erik; Haflidason, Haflidi; Hammer, Øyvind; Planke, Sverre; Tjelta, Tor-Inge (Peer reviewed; Journal article, 2017-04)
      Pockmarks are seafloor craters usually formed during methane release on continental margins. However, the mechanisms behind their formation and dynamics remain elusive. Here we report detailed investigations on one of the ...
    • Clinoform systems: Review and dynamic classification scheme for shorelines, subaqueous deltas, shelf edges and continental margins 

      Patruno, Strefano; Helland-Hansen, William (Peer reviewed; Journal article, 2018-10)
      Clinoforms are inclined and normally basinward-dipping horizons developed over a range of spatial and temporal scales in both siliciclastic and carbonatic systems. The study of clinoform successions underpins sequence ...
    • Clitellate worms (Annelida) in late-glacial and Holocene sedimentary DNA records from the Polar Urals and northern Norway 

      Lammers, Youri; Clarke, Charlotte; Erséus, Christer; Brown, Antony Gavin; Edwards, Mary Elizabeth; Gielly, Ludovic; Haflidason, Haflidi; Mangerud, Jan; Rota, E; Svendsen, John-Inge; Alsos, Inger Greve (Peer reviewed; Journal article, 2018-11-26)
      While there are extensive macro‐ and microfossil records of a range of plants and animals from the Quaternary, earthworms and their close relatives amongst annelids are not preserved as fossils and therefore the knowledge ...
    • Clumped isotope thermometry as a new tool for reconstructing Miocene climate change 

      Leutert, Thomas Jan (Doctoral thesis, 2020-01-27)
      This PhD thesis focuses on the clumped isotope paleothermometer and its application to foraminiferal carbonates buried in ocean sediments. Based on new proxy evidence for ocean temperature, the thesis aims at improving our ...
    • Clumped isotope thermometry in bivalve shells: a tool for reconstructing seasonal upwelling 

      Caldarescu, Diana Elena; Sadatzki, Henrik; Dahl, Carin Andersson; Schäfer, Priska; Fortunato, Helena; Meckler, Anna Nele (Journal article; Peer reviewed, 2021)
      Carbonate clumped isotope thermometry is a powerful tool for reconstructing paleotemperature and paleosalinity. Despite its broad application in biotic and abiotic materials, its use in paleoclimate studies has been limited ...
    • Clumped isotope thermometry in foraminifera - From calibration to Plio-Pleistocene temperature reconstructions in the Indo-Pacific Warm Pool 

      Meinicke, Niklas (Doctoral thesis, 2020-06-25)
      Clumped isotopes thermometry on foraminifera holds the potential to accurately reconstruct ocean temperatures on million-year timescales. In contrast to most other paleothermometers, clumped isotopes do not rely on prior ...
    • Cold spells in the Nordic Seas during the early Eocene Greenhouse 

      Vickers, Madeleine L.; Lengger, Sabine K.; Bernasconi, Stefano M.; Thibault, Nicolas; Schultz, Bo; Bremer, Alvaro Fernandez; Ullmann, Clemens V.; McCormack, Paul; Bjerrum, Christian J.; Rasmussen, Jan Audun; Hougård, Iben Winther; Korte, Christoph (Journal article; Peer reviewed, 2020)
      The early Eocene (c. 56 - 48 million years ago) experienced some of the highest global temperatures in Earth’s history since the Mesozoic, with no polar ice. Reports of contradictory ice-rafted erratics and cold water ...
    • Combination of Aerial, Satellite, and UAV Photogrammetry for Quantifying Rock Glacier Kinematics in the Dry Andes of Chile (30°S) Since the 1950s 

      Vivero, Sebastián; Bodin, Xavier; David, Farías; Shelley, MacDonell; Nicole, Schaffer; Robson, Benjamin Aubrey; Lambiel, Christophe (Journal article; Peer reviewed, 2021)
      The diachronic analysis of aerial and satellite imagery, uncrewed aerial vehicle (UAV) and in situ surveys obtained between 1956 and 2019 are employed to analyse landform surface kinematics for the Tapado site located in ...
    • A community-based geological reconstruction of Antarctic Ice Sheet deglaciation since the Last Glacial Maximum 

      Bentley, Michael J.; Ocofaigh, Colm Ó.; Anderson, John B.; Conway, Howard; Davies, Bethan; Graham, Alastair G.C.; Hillenbrand, Claus-Dieter; Hodgson, Dominic A.; Jamieson, Stewart S.R.; Larter, Robert D.; Mackintosh, Andrew; Smith, James A.; Verleyen, Elie; Ackert, Robert P.; Bart, Philip J.; Berg, Sonja; Brunstein, Daniel; Canals, Miquel; Colhoun, Eric A.; Crosta, Xavier; Dickens, William A.; Domack, Eugene; Dowdeswell, Julian A.; Dunbar, Robert; Ehrmann, Werner; Evans, Jeffrey; Favier, Vincent; Fink, David; Fogwill, Christopher J.; Glasser, Neil F.; Gohl, Karsten; Golledge, Nicholas R.; Goodwin, Ian; Gore, Damian B.; Greenwood, Sarah L.; Hall, Brenda L.; Hall, Kevin; Hedding, David W.; Hein, Andrew S.; Hocking, Emma P.; Jakobsson, Martin; Johnson, Joanne S.; Jomelli, Vincent; Jones, R. Selwyn; Klages, Johann P.; Kristoffersen, Yngve; Kuhn, Gerhard; Leventer, Amy; Licht, Kathy; Lilly, Katherine; Lindow, Julia; Livingstone, Stephen J.; Massé, Guillaume; McGlone, Matt S.; Mckay, Robert M.; Melles, Martin; Miura, Hideki; Mulvaney, Robert; Nel, Werner; Nitsche, Frank O.; O'Brien, Philip E.; Post, Alexandra L.; Roberts, Stephen J.; Saunders, Krystyna M.; Selkirk, Patricia M.; Simms, Alexander R.; Spiegel, Cornelia; Stolldorf, Travis D.; Sugden, David E.; van der Putten, Nathalie; van Ommen, Tas; Verfaillie, Deborah; Vyverman, Wim; Wagner, Bernd; White, Duanne A.; Witus, Alexandra E.; Zwartz, Dan (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 ...
    • A Comparative Palynofacies Study of Two Methods Used for Source Rock Validation. A Case Study From a Mississippian Succession on Spitsbergen 

      Hansen, Tone Hetland (Master thesis, 2017-06-30)
      This study is conducted on the analysis of twenty-nine kerogen slides of Tournasian and Visean age. The outcrop samples were collected from the Hoelbreen and Birger Johnsonfjellet Members in the Birger Johnsonfjellet section ...
    • Comparison between Air Temperature and Land Surface Temperature for the City of São Paulo, Brazil 

      Lima Do Nascimento, Augusto Cezar; Galvani, Emerson; Gobo, João Paulo Assis; Wollmann, Cássio Arthur (Journal article; Peer reviewed, 2022)
      This study aims to identify the relationship between changes in temperature regarding urbanization processes and seasonality in the city of São Paulo, located in the Tropic of Capricorn. The land surface temperature (LST) ...
    • Comparison of metamorphic evolution and tectonic position of metasediments of the Austevoll islands with rocks from the Samnanger Complex (Major Bergen Arc, Norwegian Caledonides) 

      Hordvik, Øystein Sørumshaugen (Master thesis, 2015-08-01)
      Metasedimentary rocks represent a substantial component of the Bergen Arcs System and they are mostly confined to the Minor and Major Bergen Arcs. The arcs represents imbricate structures composed of island arc lithologies, ...
    • A complex point-source solution of the acoustic eikonal equation for Gaussian beams in transversely isotropic media 

      Huang, Xingguo; Sun, Hui; Sun, Zhangqing; da Silva, Nuno (Peer reviewed; Journal article, 2020-03-11)
      The complex traveltime solutions of the complex eikonal equation are the basis of inhomogeneous plane-wave seismic imaging methods, such as Gaussian beam migration and tomography. We present the analytic approximations for ...
    • Complex strain partitioning and heterogeneous extension rates during early rifting in the East Shetland Basin, northern North Sea 

      Claringbould, Johan S; Bell, Rebecca E.; Jackson, Christopher A.L.; Gawthorpe, Robert; Odinsen, Tore (Journal article; Peer reviewed, 2020)
      The early stages of continental rifting are accommodated by the growth of upper crustal normal fault systems that are distributed relatively evenly across the rift width. Numerous fault systems define fault arrays, the ...
    • Compositions of dissolved organic matter in the ice-covered waters above the Aurora hydrothermal vent system, Gakkel Ridge, Arctic Ocean 

      Sert, Muhammed Fatih; Niemann, Helge; Reeves, Eoghan; Granskog, Mats A.; Hand, Kevin P.; Kekäläinen, Timo; Jänis, Janne; Rossel, Pamela; Ferré, Benedicte; Silyakova, Anna; Gründger, Friederike (Journal article; Peer reviewed, 2022)
      Hydrothermal vents modify and displace subsurface dissolved organic matter (DOM) into the ocean. Once in the ocean, this DOM is transported together with elements, particles, dissolved gases and biomass along with the ...