My research expertise is within ocean biological proxies and geochemistry, to reconstruct past changes in physical parameters such as temperature, salinity and density in the ocean. I have also solid education in mathematics and computer science.
I have contributed in the development of methods to better constrain sea ice variations in the ocean in the past. General research interests are within topics of Paleoclimatology, paleooceanography, and to reconstruct past climate change and its relation for future climate change. Furthermore, to investigate high- and low latitude climate linkages, cryosphere impact on climate, and far field teleconnection patterns.
A rather important motivation in my work is to better be able to determine causes of rapid climate transitions, and natural climate variability. I have been a member of several international research programmes, and have experience of coordinating national- and international projects.
Trond Martin Dokken
Special Adviser
trdo@norceresearch.no
+47 56 10 75 16
+47 975 64 402
Jahnebakken 5, 5007 Bergen, Norway
Projects
Publications
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Academic chapterThe Nordic Seas: An overview– 2005
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Academic articleBjerknes Centre for Climate Research - combining past, present and future climate change– Norsk Geologisk Tidsskrift 2005
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Faglig foredragSea-surface conditions, iceberg transport and ice-sheet instabilities during the last Glacial witnessed south of Greenland– Norsk Geologisk Forening Winter Conference 2019
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Academic articleIndependent tephrochronological evidence for rapid and synchronous oceanic and atmospheric temperature rises over the Greenland stadial-interstadial transitions between ca. 32 and 40 ka b2k– Quaternary Science Reviews 2020
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Faglig foredragABRUPT Arctic Climate Change: Stadial to interstadial climate change in the Fram Strait and connections to the eastern Nordic Seas– Nordic Geological Winter Meeting 2024
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Conference lectureAtmospheric pressure of the North Atlantic – 6000 years seen from Norwegian glaciers– Bjerknes getaway seminar 2005
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Conference lectureThe Nordic Seas; a gateway between the North Atlantic and Arctic Oceans– Forskerkonferansen Lillehammer 2004
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Academic articleTephra horizons identified in the western North Atlantic and Nordic Seas during the Last Glacial Period: Extending the marine tephra framework– Quaternary Science Reviews 2020
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Conference lectureA multi-decadal record of oceanographic changes of the past 150 years (1850-2015 AD) from North of Iceland– EGU General Assembly 2019
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Conference lectureOn reconstructing the thermocline in the Faroe-Shetland Channel from paleo proxies, and estimating the associated fluxes– Bjerknes Workshop. Overflows and straits of the Nordic Seas: Processes, causalities and climatic links 2004
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Conference lectureABRUPT Arctic Climate Change– EGU 2023 2023
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Conference lectureHypothesis of Fennoscandian ice sheet linkage during the last glacial and termination 1 between Milankowitch forcing and global climate– 27th Nordic Geological Winter Meeting 2005
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Conference lectureSimulated and reconstructed Atlantic gyre circulation and its relationship with the North Atlantic Oscillation during the past 600 years– PAGES 4th Open Science Meeting 2013
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Academic articleRapid reductions and millennial-scale variability in Nordic Seas sea ice cover during abrupt glacial climate changes– Proceedings of the National Academy of Sciences of the United States of America (PNAS) 2020
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Academic articleEarly Holocene temperature variability in the Nordic Seas: The role of oceanic heat advection versus changes in orbital forcing– Paleoceanography 2011
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Academic articleA global compilation of late Holocene planktonic foraminiferal delta O-18: relationship between surface water temperature and delta O-18– Quaternary Science Reviews 2005
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Conference lectureThermohaline Cirulation and Rapid Climate Change in the Last Deglaciation: Variable Role of Convection and Brine Formation– EOS, AGU Fall Mtng 1997
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Conference lectureOcean-atmosphere flickering ended the Younger Dryas cold period– 33rd International Geological Congress 2008
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Conference lectureanalyses of abrupt changes in the past– NoClim Proclim møte 2003
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Conference lectureThe Norwegian Ice Machine: - a conceptual model of D-O events– EMIC workshop, CIC, Copenhagen 2008
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Conference lectureTitanium concentration in lake sediments as a measure for glacier activity during the Younger Dryas in South Western Norway– 2nd Nordic Geographers Meeting 2007
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Conference lectureMillennial scale climate variability during marine isotope stage 5: Evidence from the Nordic Seas– EGS-AGU-EUG Joint Assembly 2003
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Conference lectureNorth Atlantic Holocene climate variability– 9th International Congress of Paleoceanography 2007
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Academic articleA reconstruction of sea surface warming in the northern North Atlantic during MIS3 ice-rafting events– Quaternary Science Reviews 2010
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Academic articlePast perspectives on the present era of abrupt Arctic climate change– Nature Climate Change 2020
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Conference lectureThe Fennoscandian ice sheet as a trigger for Dansgaard-Oeschger cycles– Arctic Science Summit Week 2015
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Academic articleResearchers Discuss Abrupt Climate Change: Ice Sheets and Oceans in Action– EOS 2003
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Academic articleMillennial- to centennial-scale changes in sea surface temperature in the tropical South Atlantic throughout the Holocene– Palaeogeography, Palaeoclimatology, Palaeoecology 2013
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Research reportPaleoenvironmental Studies - Upper Storegga Slide Events: Status report to Norsk Hydro– Universitetet i Bergen 2002
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Conference lectureA new model of Dansgaard-Oeschger cycles: the Nordic ice machine– 10th International Conference on Paleoceanography 2010
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Academic articleClimate of the Last Glacial Maximum: sensitivity studies and model-data comparison with the LOVECLIM coupled model– Climate of the Past 2007
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Conference lectureMillennial-scale ocean and climate variability in the glacial Nordic Seas and South China Sea– China-Norway Paleoclimate workshop 2017
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Academic articleInsolation and Glacial Meltwater Influence on Sea‐Ice and Circulation Variability in the Northeastern Labrador Sea During the Last Glacial Period– Paleoceanography and Paleoclimatology 2019
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Academic articleQuartz content and the quartz-to-plagioclase ratio determined by X-ray diffraction: a proxy for ice rafting in the northern North Atlantic?– Earth and Planetary Science Letters 2004
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Academic articleSea ice variability in the southern Norwegian Sea during glacial Dansgaard-Oeschger climate cycles– Science Advances 2019
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Academic articlePaleoceanographic reconstruction of the western equatorial Atlantic during the last 40 kyr– Palaeogeography, Palaeoclimatology, Palaeoecology 2014
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Conference lectureRole of sea ice in abrupt climate changes following the last glacial maximum– EGU General Assembly 2017 2017
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Conference lectureNew cores-top Mg/Ca calibration of multiple benthic foraminiferal species: thermometry of the thermocline water in Tropical western Atlantic– EGU General Assembly 2009
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Academic articleRapid oceanic and atmospheric changes during the Younger Dryas cold period– Nature Geoscience 2009
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Academic articleConsistently dated Atlantic sediment cores over the last 40 thousand years– Scientific Data 2019
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Academic articleAbrupt climatic change during the last interglacial-glacial cycle in the polar North Atlantic– Marine Geology 2001
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Academic chapterThe climate signal in glaciers - evidence for shifting North Atlantic atmospheric circulation– 2006
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Conference lectureThe climate signal in glaciers -evidence for shifting North Atlantic atmosphere circulation– Open Science Conference on Global Change in Mountain Regions, 2005
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Conference lectureA northern hemisphere high latitude tropical perspective from paleo-records– Sea Ice Workshop 2005
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Conference lectureNordic Sea convection led abrupt North Atlantic warm events during Dansgaard-Oeschger cycles– 5th International Conference on Palaeoceanography (ICP15) 2025
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Conference lectureNew Mg/Ca calibration of benthic foraminiferal species: mapping of the tropical thermocline dynamics– GFI colloquim 2009
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Conference lectureDansgaard-Oeschger cycles: interactions between ocean and sea ice intrinsic to the Nordic Seas– American Geophysical Union Fall Meeting 2013
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Academic articleA brief history of climate e the northern seas from the last Glacial Maximum to global warming– Quaternary Science Reviews 2014
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Academic articleThe growth and decay of the Late Weichselian ice sheet in western Svalbard and adjacent areas based on provenance studies of marine sediments– Quaternary Research 1996
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Academic articleInception of the Northern European ice sheet due to contrasting ocean and insolation forcing– Quaternary Research 2007
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Academic articleThe penultimate deglaciation: High-resolution paleoceanographic evidence from a north-south transect along the eastern Nordic Seas– Earth and Planetary Science Letters 2006
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Conference lectureConceptual model on rapid climate change– Bjerknes Days 2006 2006
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Academic review articleAtlantic meridional overturning circulation during the Last Glacial Maximum– Science 2007
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Academic articleThe growth and decay of the Late Weichselian Ice Sheet in western Svaldbard and adjecent areas based on provenance studies of marine sediments– Journal of Quaternary Science 1996
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Academic articleHigh resolution benthic Mg/Ca temperature record of the intermediate water in the Denmark Strait across D-O stadial-interstadial cycles– Paleoceanography and Paleoclimatology 2019
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Academic chapterExtent and variability of the Meridiona Atlantic circulation in the Eastern Nordic Seas during marine isotope stage 5 and its influence on the inception ot the last glacial– 2005
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Conference lectureOcean-sea ice dynamics in the Nordic Seas across a stadial-interstadial transition – a modelling and data perspective– XXI INQUA Congress 2023
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Conference lectureOcean-atmosphere interaction– Multidecadal climate variability and teleconnection dynamics 2006
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Faglig foredragGlacial sea ice variability in the Norwegian Sea during abrupt climate changes– Norsk Geologisk Forening Winter Conference 2019
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Academic articleDansgaard-Oeschger and Heinrich event temperature anomalies in the North Atlantic set by sea ice, frontal position and thermocline structure– Quaternary Science Reviews 2022
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Conference lectureA New Model for Dansgaard-Oeschger events and cycles: the Norwegian ice machine– Yale University, USA 2008
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Academic articleConstraints on surface seawater oxygen isotope change between the Last Glacial Maximum and the Late Hologene– Quaternary Science Reviews 2014
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Conference lectureA brief history of climate – the northern seas from the Last Glacial Maximum to global warming– 45 International Arctic Workshop 2015
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Academic articleWater mass properties and exchange between the Nordic seas and the northern North Atlantic during the period 23-6 ka: Benthic oxygen isotopic evidence– Paleoceanography 2008
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Academic articleConsistent fluctuations in intermediate water temperature off the coast of Greenland and Norway during Dansgaard-Oeschger events– Quaternary Science Reviews 2019
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Academic articleConstraints on the magnitude and patterns of ocean cooling at the Last Glacial Maximum– Nature Geoscience 2009
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Conference lectureMid-Holocene amplification of century scale climate variability potential interhemispheric linkages– PAGES 4th Open Science Meeting 2013
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Conference lectureWhat has been achieved, and future perspective for RETRO– Euromarc conference 2011
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Conference lectureImpact of freshwater from the Fennoscandian Ice Sheet vs. freshwater from the Laurentide Ice Sheet– XVIII. INQUA Congress 2011
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Academic articleDansgaard-Oeschger cycles: Interactions between ocean and sea ice intrinsic to the Nordic seas– Paleoceanography 2013
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Conference lectureA continuous record of Northern Hemisphere glaciation from ODP Leg 162– EOS, AGU Fall Mtng 1997
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Faglig foredragHavbunnen: Et vindu til fortidens klimaendringer– Lørdagsuniversitetet høsten 2001. "Vær og klima: Mot normalt?" 2001
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Conference lectureOn the role of North Atlantic sea ice displacements in Dansgaard-Oeschger cycles– CMOS-CGU Congress 2010
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Academic articleAtlantic Ocean circulation changes preceded millennial tropical South America rainfall events during the last glacial– Geophysical Research Letters 2015
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Academic articleDeep-water circulation changes lead North Atlantic climate during deglaciation– Nature Communications 2019
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Conference lectureStatus activity report and future plans from RG1– Bjerknes Getaway Seminar, Geilo 2009
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Conference lectureEvidence for rapid reorganisations in thermohaline circulation from paleorecords in the Atlantic Ocean: A review– EGS-AGU-EUG Joint Assembly 2003
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Academic articleMg/Ca ratios in the planktonic foraminifer Neogloboquadrina pachyderma (sinistral) in the northern North Atlantic/Nordic Seas– Geochemistry Geophysics Geosystems 2006
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Academic articleFluctuations of the Svalbard-Barents Sea Ice Sheet during the last 150 000 years– Quaternary Science Reviews 1998
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Conference lectureDo climate changes in the North Atlantic region trigger changes in the tropical Atlantic - or vice versa?– Bjerknes Centenary 2004: Climate Change in High Latitudes 2004
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Faglig foredragNew Mg/Ca calibration of benthic foraminiferal species: mapping of the tropical thermocline dynamics– Bjerknes - GFI colloquium 2009
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Academic articleAn Atlantic-Pacific ventilation seesaw across the last deglaciation– Earth and Planetary Science Letters 2015
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Conference lectureHigh latitude rapid climate changes, and linkages to low latitude– NICE Autumn School in Poznan, Poland 2008
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Conference lectureLink between intermediate water hydrology and meridional overturning circulation in the North Atlantic region– EGU 2009
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Academic articleA multi-decadal record of oceanographic changes of the past ~165 years (1850-2015 AD) from Northwest of Iceland– PLOS ONE 2020
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Academic chapterExploratoty Comparisons of Quantitative Temperature Estimates Over the Last Deglaciation in Norway and the Norwegian Sea– 2005
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Book anthologyClimate variability in th Nordic Seas– American Geophysical Union (AGU) 2004
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Academic articleInterhemispheric symmetry of the tropical African rainbelt over the past 23,000 years– Nature Geoscience 2011
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Faglig foredragA tephra-based synchronisation of a marine and ice core palaeo record spanning 32 - 40 ka b2k– EGU Galileo Conference 2018
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Faglig foredragSea ice changes and stratification changes in the Nordic Seas during MIS 3– EGU Galileo Conference 2018
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Conference lectureHigh latitude rapid climate changes: A New Model for Dansgaard-Oeschger events and cycles,– NICE autumn school, Poznan, Poland 2008
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Conference lectureA conceptual model for D-O events: a Fennoscandian trigger– 10th International Conference on Paleoceanography 2010
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Conference lectureDistinguishing early Holocene temperature changes caused by northward oceanic heat advection from the oceanic temperature response to changes in orbital forcing– 10th ICP 2010
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Conference lectureEemian versus Stage 3 and Holocene variability in the Nordic Seas - how different were they?– 6th International Conference on Paleoceanography 1998
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Conference lectureNouvelle calibration Mg/Ca-Temperature appliquée aux foraminfêres benthiques dynamique de la thermocline dans les tropiques– Bordeaux 2009
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Conference lectureA conceptual model for D-O events: role of atmospheric circulation and duration of warm interstadials– Bjerknes Days 2007 2007
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Conference lectureA new model of Dansgaard-Oeschger cycles: the Nordic ice machine– XVIII. INQUA Congress 2011
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Academic articleComparing proxies for the reconstruction of LGM sea-surface conditions in the northern North Atlantic– Quaternary Science Reviews 2006
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Conference lectureOcean core evidence for past THC changes– IUGG XXIV 2007 2007
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Academic articleOcean-ice sheet interaction along the SE Nordic Seas margin from 35 to 15 ka BP– Marine Geology 2018
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Conference lectureA new era of abrupt climate change - perspectives from Marine Isotope Stage 3– American Geophysical Union (AGU) 2019
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Conference lectureDynamical sequence of ocean, atmosphere, and sea ice changes during an abrupt stadial-to-interstadial climate transition– American Geophysical Union (AGU) 2019
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Conference lectureDecadal to century scale climate variability in the North Atlantic and Nordic Seas during the late Glacial and the Holocene - IMAGES results– IMAGES - Past Climate variability through Europe and Africa - PAGES - PEP III 2001
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Academic articleRelative timing of precipitation and ocean circulation changes in the western equatorial Atlantic over the last 45 kyr– Climate of the Past 2018
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Conference lectureNorth Atlantic Multidecadal variability over the last millenia– Bjerknes Centre for Climate Research 10 year Anniversary Conference 2012
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Academic articleAtlantic inflow and low sea-ice cover in the Nordic Seas promoted Fennoscandian Ice Sheet growth during the Last Glacial Maximum– Communications Earth & Environment 2023
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Faglig foredragWhy did the iceberg discharge of Heinrich events 5 and 6 not reach southern Greenland– CHESS All Staff 2018
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Conference lectureMillenial scale climate variability during marine isotope stage 5: evidence from the Nordic Seas– EGS-AGU-EUG joint assembly 2003
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Academic articleRefining benthic foraminiferal Mg/Ca-temperature calibrations using core-tops from the western tropical Atlantic: Implication for paleotemperature estimation– Geochemistry Geophysics Geosystems 2013
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Conference lectureHigh northern latitude and tropical atlantic ocean climate linkages during the last deglaciation. EAE03-A-12609– EGS-AGU-EUG Joint Assembly 2003
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Conference lectureOn the evidence linking ocean circulation to (rapid) climate change– Bjerknes Getaway Seminar 2007
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Conference lectureA paleoperspective on the Barents Sea climate development through the Holocene, preliminary results– ECOBE Annual meeting 2005 2005
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Conference lectureRapid oceanic and atmospheric changes at the end of the younger Dryas cold period– EGU 2009, Vienna 2009
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Book anthologyThe Nordic Seas - An Integrated Perspective– American Geophysical Union (AGU) 2005
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Conference lectureSpatial asymmetry of the winter atmospheric circulation and its relation to the ocean– PACLIVA Workshop 2006
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Popular scientific articleDe nordiske hav - en "hovedbryter" i klimasystemet?– Cicerone 2002
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Conference lectureOcean Dynamics and feedbacks behind millennial scale- and rapid climate changes in the past– IODP Topical Symposium on North Atlantic and Arctic Climate Variability MARUM 2007
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Conference lectureA New Model for Dansgaard-Oeschger events and cycles– PCC Summer Institute/FHL Centennial Symposium "How Does Ocean Circulation Matter for Climate Change?", Friday Harbour, Washington, USA 2008
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Research reportMarine cruise report, Project RETRO: Response of Tropical Atlantic Surface and Intermediate Waters to Changes in Atlantic Meridional Overturning Circulation– R/V G.O. SARS, UoB cruise No. GS07-150 2008
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Conference lectureWith what precision can paleodata reconstruct circulation changes in the Nordic Ses?– Ventilation. pathways and overflows of the Nordic Seas 2003
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Conference lectureIce-sheet ocean interactions in the North Atlantic, mechanisms and impacts– Quaternary glaciations � a global perspective 2004
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Popular scientific articleRekonstruerer havstrømmer– Cicerone 2007
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Conference lectureA brief history of climate – the northern seas from the Last Glacial Maximum to global warming– AGU Fall meeting 2014
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Faglig foredragIntermediate water in the Nordic Seas during Greenland Stadials– Norsk Geologisk Forening Winter Conference 2019
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Faglig foredragCoherent Sea Ice Variations in the Nordic Seas and Abrupt Greenland Climate Changes over Dansgaard-Oeschger Cycles– 2016 AGU Fall Meeting 2016
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Conference lectureBenthic S18O signature of dense brine from sea ice formation in the North Atlantic– 22nd V. M. Goldschmidt Conference 2012
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Academic articleForCenS-LGM: a dataset of planktonic foraminifera species assemblage composition for the Last Glacial Maximum– Scientific Data 2024
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Academic articleHeinrich event 1: an example of dynamical ice-sheet reaction to oceanic changes– Climate of the Past 2011
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Conference lectureTropical influence on high latitude climate– Bjerknes seminar 2003
