Blar i Faculty of Mathematics and Natural Sciences på tidsskrift "Quaternary Science Reviews"

Viser treff 1-20 av 26

    • A 24,000-year ancient DNA and pollen record from the Polar Urals reveals temporal dynamics of arctic and boreal plant communities 

      Clarke, Charlotte L.; Alsos, Inger Greve; Edwards, Mary E.; Paus, Aage; Gielly, Ludovic; Haflidason, Haflidi; Mangerud, Jan; Regnéll, Carl; Hughes, Paul D.M.; Svendsen, John-Inge; Bjune, Anne Elisabeth (Journal article; Peer reviewed, 2020)
      A 24,000-year record of plant community dynamics, based on pollen and ancient DNA from the sediments (sedaDNA) of Lake Bolshoye Shchuchye in the Polar Ural Mountains, provides detailed information on the flora of the Last ...

    • 30,000 years of landscape and vegetation dynamics in a mid-elevation Andean valley 

      McMichael, Chrystal; Witteveen, Nina; Scholz, Simon; Zwier, Maaike; Prins, Maarten; Lougheed, Bryan C.; Mothes, Patricia; Gosling, William D. (Journal article; Peer reviewed, 2021)
      The mid-elevation settings of the Andes are important biodiversity hotspots, yet little is known of their long-term ecology or environmental change. Here, we assess 30,000 years of landscape and vegetation dynamics on an ...

    • Anthropogenic and environmental drivers of vegetation change in southeastern Norway during the Holocene 

      ter Schure, Anneke Theresia Maria; Bajard, Manon Juliette Andree; Loftsgarden, Kjetil; Høeg, Helge Irgens; Ballo, Eirik Gottschalk; Bakke, Jostein; Støren, Eivind Wilhelm Nagel; Iversen, Frode; Kool, Anneleen; Brysting, Anne Krag; Krüger, Kirstin; Boessenkool, Sanne (Journal article; Peer reviewed, 2021)
      Uncovering anthropogenic and environmental drivers behind past biological change requires integrated analyses of long-term records from a diversity of disciplines. We applied an interdisciplinary approach exploring effects ...

    • Atmosphere-driven ice sheet mass loss paced by topography: Insights from modelling the south-western Scandinavian Ice Sheet 

      Åkesson, Henning; Morlighem, Mathieu; Nisancioglu, Kerim Hestnes; Svendsen, John-Inge; Mangerud, Jan (Peer reviewed; Journal article, 2018-09)
      Marine-terminating glaciers and ice streams are important controls of ice sheet mass balance. However, understanding of their long-term response to external forcing is limited by relatively short observational records of ...

    • A brief history of climate – the northern seas from the Last Glacial Maximum to global warming 

      Eldevik, Tor; Risebrobakken, Bjørg; Bjune, Anne Elisabeth; Andersson, Carin; Birks, Harry John Betteley; Dokken, Trond Martin; Drange, Helge; Glessmer, Mirjam Sophia; Li, Camille; Nilsen, Jan Even Øie; Otterå, Odd Helge; Richter, Kristin; Skagseth, Øystein (Peer reviewed; Journal article, 2014-12)
      The understanding of climate and climate change is fundamentally concerned with two things: a well-defined and sufficiently complete climate record to be explained, for example of observed temperature, and a relevant ...

    • 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 ...

    • Consistent fluctuations in intermediate water temperature off the coast of Greenland and Norway during Dansgaard-Oeschger events 

      Sessford, Evangeline; Jensen, Mari Fjalstad; Tisserand, Amandine Aline; Muschitiello, Francesco; Dokken, Trond Martin; Nisancioglu, Kerim Hestnes; Jansen, Eystein (Peer reviewed; Journal article, 2019-11-01)
      Rapid warmings epitomize the Dansgaard-Oeschger events that are recorded in Greenland ice cores and imprinted in ocean sediment cores. While the abrupt climate changes appear connected to perturbations in sea ice and ocean ...

    • Coupled atmosphere-ice-ocean dynamics in Dansgaard-Oeschger events 

      Li, Camille; Born, Andreas (Peer reviewed; Journal article, 2018-11-10)
      The Dansgaard-Oeschger events of the last ice age are among the best studied abrupt climate changes, yet a comprehensive explanation is still lacking. They are most pronounced in the North Atlantic, where they manifest as ...

    • Dansgaard-Oeschger and Heinrich event temperature anomalies in the North Atlantic set by sea ice, frontal position and thermocline structure 

      Pedro, J.B.; Andersson, Carin; Vettoretti, G.; Voelker, A.H.L.; Waelbroeck, C.; Dokken, Trond Martin; Jensen, Mari Fjalstad; Rasmussen, S.O.; Sessford, Evangeline; Jochum, M.; Nisancioglu, Kerim Hestnes (Journal article; Peer reviewed, 2022)
      We use eighteen timescale-synchronised near-surface temperature reconstructions spanning 10–50 thousand years before present to clarify the regional expression of Dansgaard-Oeschger (D-O) and Heinrich (H) events in the ...

    • Environmental responses to the 9.7 and 8.2 cold events at two ecotonal sites in the Dovre mountains, mid-Norway 

      Paus, Aage; Haflidason, Haflidi; Routh, Joyanto; Naafs, B. David A.; Thoen, Mari Woxen (Peer reviewed; Journal article, 2019)
      We found strong signals of two cooling events around 9700 and 8200 cal yrs. BP in lakes Store Finnsjøen and Flåfattjønna at Dovre, mid-Norway. Analyses included pollen in both lakes, and C/N-ratio, biomarkers (e.g. alkanes ...

    • Evidence for regional cooling, frontal advances, and East Greenland Ice Sheet changes during the demise of the last interglacial 

      Irvali, Nil; Ninnemann, Ulysses Silas; Kleiven, Helga Flesche; Galaasen, Eirik Vinje; Morley, Audrey; Rosenthal, Yair (Peer reviewed; Journal article, 2016)
      High-resolution lithic and sea surface climate records are used to portray the progression of North Atlantic climate, hydrography, and Greenland Ice Sheet (GIS) activity through the peak of Marine Isotope Stage (MIS) 5e ...

    • Evidence for the asynchronous retreat of large outlet glaciers in southeast Greenland at the end of the last glaciation 

      Dyke, Laurence M.; Hughes, Anna L.C.; Murray, Tavi; Hiemstra, John F.; Andresen, Camilla S.; Rodés, Ángel (Journal article, 2014-09-01)
      Recent rapid changes in the marine-terminating sectors of the Greenland Ice Sheet (GrIS) have prompted concerns about the future stability of the ice sheet. Long-term records of ice sheet behaviour provide valuable context ...

    • High resolution Late-glacial and early-Holocene summer air temperature records from Scotland inferred from Chironomid assemblages 

      Brooks, Stephen J.; Matthews, Ian P.; Birks, Hilary H.; Birks, Harry John Betteley (Peer reviewed; Journal article, 2012-05-18)
      Lateglacial and early-Holocene mean July air temperatures have been reconstructed, using a chironomid-based inference model, from lake-sediment sequences from Abernethy Forest, in the eastern Highlands of Scotland, and ...

    • Holocene multi-proxy environmental reconstruction from lake Hakluytvatnet, Amsterdamøya Island, Svalbard (79.5°N) 

      Gjerde, Marthe; Bakke, Jostein; D'Andrea, William J.; Balascio, Nicholas L.; Bradley, Raymond S.; Vasskog, Kristian; Ólafsdóttir, Sædis; Torgeir Opeland, Røthe; Perren, Bianka B.; Hormes, Anne (Journal article, 2018-03)
      High resolution proxy records of past climate are sparse in the Arctic due to low organic production that restricts the use of radiocarbon dating and challenging logistics that make data collection difficult. Here, we ...

    • Ice-flow patterns and precise timing of ice sheet retreat across a dissected fjord landscape in western Norway 

      Mangerud, Jan; Hughes, Anna L.C.; Sæle, Tone Herfindal; Svendsen, John-Inge (Peer reviewed; Journal article, 2019-06)
      We reconstruct patterns of ice flow and retreat of the southwestern Scandinavian Ice Sheet, from 2900 field observations of glacial striae and elevation measurements of 60 ice-marginal-deltas from a high-resolution LiDAR ...

    • Independent tephrochronological evidence for rapid and synchronous oceanic and atmospheric temperature rises over the Greenland stadial-interstadial transitions between ca. 32 and 40 ka b2k 

      Berben, Sarah M.P.; Dokken, Trond Martin; Abbott, Peter M.; Cook, Eliza; Sadatzki, Henrik; Simon, Margit Hildegard; Jansen, Eystein (Journal article; Peer reviewed, 2020)
      Understanding the dynamics that drove past abrupt climate changes, such as the Dansgaard-Oeschger (DO) events, depends on combined proxy evidence from disparate archives. To identify leads, lags and synchronicity between ...

    • Last Glacial Maximum environmental conditions at Andøya, northern Norway; evidence for a northern ice-edge ecological “hotspot” 

      Alsos, Inger Greve; Sjøgren, Per Johan E; Brown, Antony; Gielly, Ludovic; Merkel, Marie Føreid; Paus, Aage; Lammers, Youri; Edwards, Mary E.; Alm, Torbjørn; Leng, Melanie; Goslar, Tomasz; Langdon, Cathrine; Bakke, Jostein; Van Der Bilt, Willem (Journal article; Peer reviewed, 2020)
      Andøya on the NW coast of Norway is a key site for understanding the Last Glacial Maximum (LGM) in northern Europe. Controversy has arisen concerning the local conditions, especially about the timing and extent of local ...

    • Late Glacial mountain glacier culmination in Arctic Norway prior to the Younger Dryas 

      Wittmeier, Hella Elisa; Schaefer, Joerg M.; Bakke, Jostein; Rupper, Summer; Paasche, Øyvind; Schwartz, Roseanne; Finkel, Robert C. (Journal article; Peer reviewed, 2020)
      Climate changes during the Late Glacial period (LG; 15-11 ka) as recorded in Greenland and Antarctic ice cores show a bipolar pattern. Between 14.5 ka and 13 ka ago, the northern latitudes experienced the Bølling/Allerød ...

    • NE Atlantic continental slope stability from a numerical modeling perspective 

      Bellwald, Benjamin; Urlaub, Morelia; Hjelstuen, Berit Oline Blihovde; Sejrup, Hans Petter; Sørensen, Mathilde B.; Forsberg, Carl Fredrik; Vanneste, Maarten (Peer reviewed; Journal article, 2019-01)
      Trough mouth fans are environments characterized by high sediment supply during glacial stages and the occurrence of large-scale instabilities. The geological record indicates that several of these environments have failed ...

    • Present day Jakobshavn Isbræ close to the Holocene minimum extent 

      Kajanto, Karita Anneli; Seroussi, Hélène; de Fleurian, Basile; Nisancioglu, Kerim Hestnes (Journal article; Peer reviewed, 2020)
      Marine terminating glaciers evolve on millenial timescales in response to changes in oceanic and atmospheric conditions. However, the relative role of oceanic and atmospheric drivers remains uncertain. The evolution of ...