Paleoclimatology GEOV 222

Paleoceanography GEOV 331

Marine Geology lab and field course GEOV 231

The Geochemical Toolbox GEOV 342 

 

Academic article

• Hans Petter Sejrup; Scott J. Lehman; Berit Oline Blihovde Hjelstuen et al. (2025). Foraminiferal isotopic evidence of abrupt mid-20th century onset of hydrographic instability in Nordic Seas inflow waters. (external link)
• Elwyn de la Vega; Markus Raitzsch; Gavin L. Foster et al. (2025). A δ11B-pH calibration for the high-latitude foraminifera species Neogloboquadrina pachyderma and Neogloboquadrina incompta. (external link)
• Anne Morée; Jörg Schwinger; Ulysses S Ninnemann et al. (2021). Evaluating the biological pump efficiency of the Last Glacial Maximum ocean using d13C. (external link)
• Matthias Moros; Patrick De Deckker; Kerstin Perner et al. (2021). Hydrographic shifts south of Australia over the last deglaciation and possible interhemispheric linkages. (external link)
• Aleksey Sadekov; Stephen M. Eggins; Patrick De Deckker et al. (2009). Surface and sub-surface seawater temperature reconstruction using Mg/Ca microanalysis of planktonic foraminifera Globigerinoides ruber, Globigerinoides sacculifer and Pulleniatina obliquiloculata. (external link)
• Eirik Vinje Galaasen; Ulysses S Ninnemann; Augustin Kessler et al. (2020). Interglacial instability of North Atlantic Deep Water ventilation. (external link)
• William E.N. Austin; Richard Telford; Ulysses S Ninnemann et al. (2011). North Atlantic reservoir ages linked to high Younger Dryas atmospheric radiocarbon concentrations. (external link)
• Katja Lohmann; Juliette Mignot; Helene R. Langehaug et al. (2015). Using simulations of the last millennium to understand climate variability seen in palaeo-observations: Similar variation of Iceland-Scotland overflow strength and Atlantic Multidecadal Oscillation. (external link)
• Eiliv Larsen; Astrid Lyså; Asbjørn Hiksdal et al. (2024). Volcanically induced glacier collapses in southern Jan Mayen (Sør-Jan), Norway. (external link)
• Tor Lien Mjell; Ulysses S Ninnemann; Tor Eldevik et al. (2015). Holocene multidecadal- to millennial-scale variations in Iceland-Scotland overflow and their relationship to climate. (external link)
• Joerg M. Schaefer; Aaron E. Putnam; George H. Denton et al. (2015). The southern glacial maximum 65,000 years ago and its unfinished termination. (external link)
• Bryan C. Lougheed; Brett Metcalfe; Ulysses S Ninnemann et al. (2018). Moving beyond the age-depth model paradigm in deep-sea palaeoclimate archives: Dual radiocarbon and stable isotope analysis on single foraminifera. (external link)
• Anne Karin Hufthammer; Hans Høie; Arild Folkvord et al. (2010). Seasonality of human site occupation based on stable oxygen isotope ratios of cod otoliths. (external link)
• Zhongshi Zhang; Kerim Hestnes Nisancioglu; Ulysses S Ninnemann (2013). Increased ventilation of Antarctic deep water during the warm mid-Pliocene. (external link)
• Naomi Harada; Ulysses S Ninnemann; Carina B. Lange et al. (2013). Deglacial-Holocene environmental changes at the Pacific entrance of the Strait of Magellan. (external link)
• Gotje Von Leesen; Ulysses S Ninnemann; Steven E. Campana (2020). Stable oxygen isotope reconstruction of temperature exposure of the Icelandic cod (Gadus morhua) stock over the last 100 years. (external link)
• Lin Cheng; Claire Normandeau; Roxane Bowden et al. (2019). An international intercomparison of stable carbon isotope composition measurements of dissolved inorganic carbon in seawater. (external link)
• Helga Flesche Kleiven; Catherine Kissel; Carlo Laj et al. (2008). Reduced North Atlantic Deep Water coeval with the glacial Lake Agassiz freshwater outburst. (external link)
• Kristine Steinsland; Danielle Grant; Kirsten Fahl et al. (2025). Sea ice variability from the penultimate glacial to the last interglacial in the eastern Fram Strait. (external link)
• Augustin Kessler; Nathaelle Bouttes; Didier M. Roche et al. (2020). Dynamics of spontaneous (multi) centennial‐scale variations of the Atlantic meridional overturning circulation strength during the last interglacial. (external link)
• Eirik Vinje Galaasen; Ulysses S Ninnemann; Nil Irvali et al. (2015). Deep Atlantic variability during the last interglacial period. (external link)
• Frank Lamy; Jérôme Kaiser; Helge W. Arz et al. (2007). Modulation of the bipolar seesaw in the southeast pacific during Termination 1. (external link)
• Johannes Ullermann; Frank Lamy; Ulysses S Ninnemann et al. (2016). Pacific-Atlantic Circumpolar Deep Water coupling during the last 500 ka. (external link)
• Eystein Jansen; Trond Martin Dokken; Atle Nesje et al. (2005). Bjerknes Centre for Climate Research - combining past, present and future climate change. (external link)
• Audrey Morley; Tali L. Balbila; James Wright et al. (2017). Environmental Controls on Mg/Ca in Neogloboquadrina incompta: A Core-Top Study From the Subpolar North Atlantic. (external link)
• Gunnar Sælen; Ingelin Løkling Lunde; Kristin Walderhaug Porten et al. (2016). Oyster shells as recorders of short-term oscillations of salinity and temperature during deposition of coral bioherms and reefs in the miocene lorca basin, se Spain. (external link)
• Danielle Grant; Kristine Steinsland; Tristan Cordier et al. (2024). Sedimentary ancient DNA sequences reveal marine ecosystem shifts and indicator taxa for glacial-interglacial sea ice conditions. (external link)
• Jen-Chieh Shiao; Tzen-Fu Yui; Hans Høie et al. (2009). Otolith O and C Stable Isotope Compositions of Southern Bluefin Tuna Thunnus maccoyii (Pisces: Scombridae) as Possible Environmental and Physiological Indicators. (external link)
• M. Hidalgo; J Tomas; Hans Høie et al. (2008). U.S., Environmental influences on the recruitment process inferred from otolith stable isotopes in Merluccius merluccius off the Balearic Islands. (external link)
• Mitchell J. Malone; Jonathan B. Martin; Joachim Schönfeld et al. (2004). The oxygen isotopic composition and temperature of Southern Ocean bottom waters during the last glacial maximum. (external link)
• Manuel Hidalgo; Javier Tomas; Hans Høie et al. (2008). Environmental influences on the recruitment process inferred from otolith stable isotopes in Merluccius merluccius off the Balearic Islands. (external link)
• E.J. Rohling; F.D. Hibbert; K.M. Grant et al. (2019). Asynchronous Antarctic and Greenland ice-volume contributions to the last interglacial sea-level highstand. (external link)
• Nil Irvali; Ulysses S Ninnemann; Helga Flesche Kleiven et al. (2016). Evidence for regional cooling, frontal advances, and East Greenland Ice Sheet changes during the demise of the last interglacial. (external link)
• Marie Eide; Are Olsen; Ulysses S Ninnemann et al. (2017). A global estimate of the full oceanic 13C Suess effect since the preindustrial. (external link)
• Marie Eide; Are Olsen; Ulysses S Ninnemann et al. (2017). A global ocean climatology of preindustrial and modern ocean δ13C. (external link)
• Gotje Von Leesen; Bjarte Bogstad; Einar Hjørleifsson et al. (2022). Temperature exposure in cod driven by changes in abundance. (external link)
• Anna Pienkowski; Katrine Husum; Simon T. Belt et al. (2021). Seasonal sea ice persisted through the Holocene Thermal Maximum at 80°N. (external link)
• Eirik Vinje Galaasen; Ulysses S Ninnemann; Nil Irvali et al. (2014). Rapid reductions in North Atlantic Deep Water during the peak of the last Interglacial period. (external link)
• Are Olsen; Ulysses S Ninnemann (2010). Large delta C-13 Gradients in the Preindustrial North Atlantic Revealed. (external link)
• Frank Lamy; Jerome Kaiser; Ulysses S Ninnemann et al. (2004). Antarctic timing of surface water changes off Chile and Patagonian ice sheet response. (external link)
• John Lynch-Stieglitz; William B. Curry; Delia W. Oppo et al. (2006). Meridional overturning circulation in the South Atlantic at the last glacial maximum,. (external link)
• L.C. Foster; N Allison; A.A. Finch et al. (2009). Controls on delta 18-O and 13-C profiles within the aragonite bivalve Arctica islandica. (external link)
• Kristine Steinsland; Danielle Grant; Ulysses S Ninnemann et al. (2023). Sea ice variability in the North Atlantic subpolar gyre throughout the last interglacial. (external link)
• Are Olsen; Abdirahman Omar; Richard Bellerby et al. (2006). Magnitude and origin of the anthroopogenic CO2 increase and 13C Suess effect in the Nordic seas since 1981. (external link)
• Christine Euler; Ulysses Silas Ninnemann (2010). Climate and Antarctic intermediate water coupling during the late Holocene. (external link)
• Ulysses S Ninnemann; C.D. Charles (2002). Changes in the mode of Southern Ocean circulation over the last glacial cycle revealed by foraminiferal stale isotopic variability. (external link)
• Tor Lien Mjell; Ulysses S Ninnemann; Helga Flesche Kleiven et al. (2016). Multidecadal changes in Iceland Scotland Overflow Water vigor over the last 600 years and its relationship to climate. (external link)
• A. Morley; la de la Vega; M. Raitzsch et al. (2024). A solution for constraining past marine Polar Amplification. (external link)
• Audrey J. Geffen; Hans Høie; Arild Folkvord et al. (2011). High-latitude climate variability and its effect on fisheries resources as revealed by fossil cod otoliths. (external link)
• Nil Irvali; Ulysses S Ninnemann; Eirik Vinje Galaasen et al. (2012). Rapid switches in subpolar North Atlantic hydrography and climate during the Last Interglacial (MIS 5e). (external link)
• Laura Carole Foster; Nicola Allison; Adrian A. Finch et al. (2009). Controls on delta O-18 and delta C-13 profiles within the aragonite bivalve Arctica islandica. (external link)
• Augustin Kessler; Eirik Vinje Galaasen; Ulysses S Ninnemann et al. (2018). Ocean carbon inventory under warmer climate conditions – the case of the Last Interglacial. (external link)
• Nil Irvali; Ulysses S Ninnemann; Are Olsen et al. (2024). Revising chronological uncertainties in marine archives using global anthropogenic signals: a case study on the oceanic ¹³C Suess effect. (external link)
• Spyros Sergiou; Maria Geraga; Sofia Pechlivanidou et al. (2024). Stratigraphic and paleoceanographic alternations within a Mediterranean semi-enclosed, syn-rift basin during Marine Isotope Stage 5: The Gulf of Corinth, Greece. (external link)
• Christopher D. Charles; Katharina Pahnke; Rainer Zahn et al. (2010). Millennial scale evolution of the Southern Ocean chemical divide. (external link)
• Dakota E. Holmes; Tali L. Babila; Ulysses S Ninnemann et al. (2022). Reorganization of Atlantic Waters at sub-polar latitudes linked to deep-water overflow in both glacial and interglacial climate states. (external link)
• Augustin Kessler; Nathaelle Bouttes; Didier M. Roche et al. (2020). Atlantic Meridional Overturning Circulation and δ13C Variability During the Last Interglacial. (external link)
• Helene R. Langehaug; Tor Lien Mjell; Odd Helge Otterå et al. (2016). On the reconstruction of ocean circulation and climate based on the "Gardar Drift". (external link)
• Nil Irvali; Eirik Vinje Galaasen; Ulysses S Ninnemann et al. (2020). A low climate threshold for south Greenland Ice Sheet demise during the Late Pleistocene. (external link)

Lecture

• Ulysses S Ninnemann (2025). Centennial scale instability in deep Atlantic ventilation during the last interglacial(s); causes and consequences revisited. (external link)
• Ulysses S Ninnemann (2009). "The Southern Ocean and Global Overturning Circulation, theory and paleo constraints". (external link)
• Helga Flesche Kleiven; Ulysses S Ninnemann (2015). Climate and Antartic Intermediate Water Covariations on Centennial-Millennial Timescales during MIS3--Constraining the Role of the "Oceanic Tunnell" in Abrupt Climate Change. (external link)

Conference lecture

• Nele Manon Vollmar; Tristan Cordier; Agnes Weiner et al. (2025). Is sea-ice cover reflected in sedimentary DNA? – a case study from the Weddell Sea, Southern Ocean. (external link)
• Nele Manon Vollmar; Tristan Cordier; Agnes Weiner et al. (2025). Evaluation of sedimentary DNA as a Southern Ocean sea ice proxy. (external link)
• Helga Flesche Kleiven; Ulysses S Ninnemann (2019). Climate and Antarctic Intermediate Water Covariations on Centennial-Millennial Timescales during MIS 3—Constraining the Role of the “Oceanic Tunnel” in Abrupt Climate Change. (external link)
• Augustin Kessler; Jerry Tjiputra; Eirik Vinje Galaasen et al. (2019). Ocean carbon inventory under warmer climate conditions – the case of the Last Interglacial. (external link)
• Helga Flesche Kleiven; Ulysses S Ninnemann (2014). Climate and Antartic Intermediate Water Covariations on Centennial-Millennial Timescales during MIS 3—Constraining the Role of the “Oceanic Tunnel” in Abrupt Climate Change. (external link)
• A.-E. Førde; Helga Flesche Kleiven; Ulysses S Ninnemann (2007). Decadal Scale Variability in sub Antarctic Surface and Intermediate Water Properties Across the Laschamp Geomagnetic Excursion at ODP Site 1233. (external link)
• Helga Flesche Kleiven; Ulysses S Ninnemann; A.-E. Førde (2007). Coupling Between Southern Hemisphere Climate and AAIW Revealed by Decadally Sampled Records of sub Antarctic Surface and Intermediate Water Property Changes from 20-75 ka. (external link)
• Danielle Grant; Kristine Steinsland; Sigrid Mugu et al. (2021). The Last Interglacial in the Labrador Sea: a sedimentary ancient DNA investigation. (external link)
• Kristine Steinsland; Ulysses S Ninnemann; Kristen Fahl et al. (2021). Last Interglacial sea ice variability and paleoceanography of the Labrador Sea. (external link)
• Gotje von Leesen; Bjarte Bogstad; Einar Hjorleifsson et al. (2021). A century of otolith-derived temperature exposure of Icelandic and Norwegian cod (Gadus morhua). (external link)
• Anna Pienkowski; Katrine Husum; Simon T. Belt et al. (2022). Nuanced responses of seasonal sea ice to a warmer Arctic climate during the Holocene Thermal Maximum. (external link)
• Ulysses S Ninnemann; Helga Flesche Kleiven; Christine Euler et al. (2007). Changes in AAIW properties and their role in decadal to millennial scale climate change. (external link)
• Christine Euler; T.M. Marchitto; Helga Flesche Kleiven et al. (2007). Southern Ocean Multi-Decadally Resolved Sea Surface and Intemediate Water Multi Proxy Reconstructions Spanning the A2 Antarctic Warm Event at ODP Site 1233. (external link)
• F. Lamy; J. Kaiser; H.W. Arz et al. (2007). Modulation of the bipolar seesaw in the Southeast Pacific during Termination 1. (external link)
• Helga Flesche Kleiven; Ulysses S Ninnemann; A-E Førde (2007). The role of Southern Ocean dynamics in abrupt climate change revealed by decadally resolved records of sub Antarctic surface and intermediate water property changes 20-70 ka. (external link)
• Ulysses S Ninnemann; Eirik Vinje Galaasen; Helga Flesche Kleiven (2009). Rapid centennial scale reductions in North Atlantic deep water during the peak of the last interglacial period recorded in sediments from the Eirik Drift. (external link)
• Augustin Kessler; Didier M. Roche; Eirik Vinje Galaasen et al. (2021). AMOC instability during the Last Inerglacial. (external link)
• Trond Martin Dokken; Ulysses S Ninnemann; Helga Flesche Kleiven et al. (2003). Evidence for rapid reorganisations in thermohaline circulation from paleorecords in the Atlantic Ocean: A review. (external link)
• Ulysses S Ninnemann; Helga Flesche Kleiven; Frank Lamy (2004). Millennial scale changes in SE Pacific climate and AAIW since the last glaciation - the role of extratropical ocean-atmospheric reorganizations in abrupt climate change. (external link)
• Ulysses S Ninnemann; Helga Flesche Kleiven; Christine Euler et al. (2005). Centennial-millennial scale coupling between Pacific surface and intermediate water bariability over the last 30 kyr (solicited). (external link)
• J Lynch-Stieglitz; William B. Curry; DW Oppo et al. (2005). Meridional Overturning Circulation in the Sout Atlantic at the Last Glacial Maximum. (external link)
• Christine Euler; Ulysses S Ninnemann; Helga Flesche Kleiven (2009). Multi-decadal to centennial scale variability of South Pacific surface water properties – a comparison between Holocene and Last Glacial Maximum. (external link)
• Trond Martin Dokken; Ulysses S Ninnemann (2007). On the evidence linking ocean circulation to (rapid) climate change. (external link)
• Ulysses S Ninnemann; Tor Lien Mjell; Helga Flesche Kleiven et al. (2016). Natural variability in Nordic Seas overflows: Toward a mechanistic understanding of proxy records. (external link)
• Helga Flesche Kleiven; Ulysses S Ninnemann; Eystein Jansen (2008). New constraints on North Atlantic Meridonal Overturning Circulation during the Holocene and the last interglacial. (external link)
• Are Olsen; Ulysses S Ninnemann (2011). Preindustrial NorthAtlantic {delta}13C distribution reconstructed. (external link)
• Ulysses S Ninnemann (2008). Glacial to Interglacial Changes in Southern Ocean Water Mass Geometry, the ACC, and the Southern Westerlies at Drake Passage. (external link)
• Ulysses S Ninnemann (2008). Changes in Southern Hemisphere Surface, Intermediate, and Deep Water as Constraints on the Origin of the Younger Dryas. (external link)
• Bjørg Risebrobakken; Carin Andersson; Andreas Born et al. (2010). RG 1 Past warm climate. (external link)
• Nil Irvali; Ulysses S Ninnemann; Allegra Liltved et al. (2023). Holocene Natural Variability in Atlantic Water Inflow Properties to the Arctic. (external link)
• Ulysses S Ninnemann; Nil Irvali; Simon Pierre Lefevere et al. (2023). Unravelling the Link between Arctic-Atlantic Exchanges and Meridional Overturning Circulation during the last Deglaciation. (external link)
• Tom Arne Rydningen; Vårin Trælvik Eilertsen; Christine Tømmervik Kollsgård et al. (2023). Glacial History of the Northern Barents Sea Reconstructed from Submarine Landforms – Nansen Legacy Results and Research Outlook. (external link)
• Eirik Vinje Galaasen; Ulysses S Ninnemann; Augustin Kessler et al. (2019). Variability in ocean ventilation during recent interglacial periods. (external link)
• Nil Irvali; Ulysses S Ninnemann; Eirik Vinje Galaasen et al. (2013). Rapid switches in subpolar North Atlantic hydrography and climate during the Last Interglacial (MIS 5e). (external link)
• S. Kolstø; Helga Flesche Kleiven; Ulysses S Ninnemann (2012). North Atlantic climate and deep water variability over the last 1300 years. (external link)
• Tor Lien Mjell; Ulysses S Ninnemann; Helga Flesche Kleiven et al. (2012). Variability in ISOW vigor over the last two millennia and its relationship to climate. (external link)
• K Lohmann; Helene R. Langehaug; J. Mignot et al. (2012). North Atlantic climate and ocean circulation variability during the last millennium in paleo reconstructions and simulations GV & Sediment Meeting "Of Land and Sea - Processes and Products". (external link)
• Helga Flesche Kleiven; C Kissel; C Laj et al. (2005). Multi-Proxy Evidence for Reduced North Atlantic Deep Water Flux Across The 8,2 kyr B.P. Event From Core MD03-2665 at the Eirik Drift. (external link)
• Helga Flesche Kleiven; Y. Rosenthal; Ulysses S Ninnemann (2012). Climate and North Atlantic Deep Water since 600 AD. (external link)
• Helga Flesche Kleiven; Ulysses S Ninnemann (2009). Climate and North Atlantic Deep Water variability since 600 AD: Multiproxy Evidence From the Eirik Drift. (external link)
• Ulysses S Ninnemann; E.V. Galaasen; H.F. Kleiven (2009). The Origin of Rapid Changes in Circumpolar Deep Water Chemistry During the Peak of the Penultimate Interglacial. (external link)
• Katrine Husum; Anna Pieńkowski; Simon T. Belt et al. (2021). Seasonal sea ice persisted at 80°N during past warmer-than-present conditions. (external link)
• Stijn De Schepper; Danielle Grant; Kristine Steinsland et al. (2022). Labrador Sea paleoceanography and paleodiversity across the Last Interglacial.. (external link)
• Eirik Vinje Galaasen; Ulysses S Ninnemann; Nil Irvali et al. (2011). Rapid centennial scale reductions in North Atlantic Deep Water during the peak of the last interglacial period. (external link)
• Eirik Vinje Galaasen; Ulysses S Ninnemann; Nil Irvali et al. (2011). Rapid centennial scale reductions in North Atlantic Deep Water during the peak of the last interglacial period. (external link)
• Spyros Sergiou; Maria Geraga; Sofia Pechlivanidou et al. (2022). Paleoceanographic conditions within the Corinth rift basin during the last interglacial (MIS 5e). (external link)
• Eirik Vinje Galaasen; Ulysses S Ninnemann; Nil Irvali et al. (2015). Deep Atlantic circulation during the last interglacial period. (external link)
• Eirik Vinje Galaasen; Ulysses S Ninnemann; Nil Irvali et al. (2011). Rapid centennial scale reductions in North Atlantic Deep Water during the peak of the last interglacial period. (external link)
• Eirik Vinje Galaasen; Ulysses S Ninnemann; Nil Irvali et al. (2011). Rapid centennial scale reductions in North Atlantic Deep Water during the peak of the last interglacial period. (external link)
• Tor Lien Mjell; Ulysses S Ninnemann; Helga Flesche Kleiven et al. (2013). Variability in the vigor of the eastern branch of the Nordic Seas overflows during the last two millennia and its relationship to climate. (external link)
• Nil Irvali; Ulysses S Ninnemann; Helga Flesche Kleiven et al. (2017). Resolving the phasing and forcing dynamics between North Atlantic climate and deep ocean circulation changes. (external link)
• Eirik Vinje Galaasen; Ulysses S Ninnemann; Nil Irvali et al. (2014). North Atlantic Deep Water variability during the last two interglacial periods. (external link)
• Marie Eide; Are Olsen; Ulysses S Ninnemann et al. (2014). Global ocean 13C Suess effect and uptake of anthropogenic CO2. (external link)
• Zhongshi Zhang; Kerim Hestnes Nisancioglu; Ulysses S Ninnemann (2014). Increased ventilation of Antarctic deep water during the warm mid-Pliocene. (external link)
• Ulysses S Ninnemann; Øyvind Paasche; Jostein Bakke et al. (2010). Paleoceanographic and climatic variability on decadal to millennial timescales across the Drake Passage (PALEODRAKE)-project update. (external link)
• Ulysses S Ninnemann; Helga Flesche Kleiven; E. Galaasen (2009). Rapid centennial scale reductions in North Atlantic deep water during the peak of the last interglacial period recorded in sediments from the Eirik drift. (external link)
• Helga Flesche Kleiven; I.V. Johansen; Ulysses S Ninnemann (2009). North Atlantic climate and deep water variability since 600 AD. (external link)
• L Brown; W Austin; R.J. Telford et al. (2006). North Atlantic surface ocean radiocarbon reservoir age variation: links to rapid global climate change. (external link)
• Helga Flesche Kleiven; Ulysses S Ninnemann (2009). The role of Southern Ocean dynamics in abrupt climate change revealed by decadally resolved records of sub Antarctic surface and intermediate water property changes 20-75 ka. (external link)
• Nil Irvali; Ulysses S Ninnemann; Eirik Vinje Galaasen et al. (2011). Abrupt changes in North Atlantic climate and hydrography and their relationship to Greenaldn ice sheet variability during the penultimate interglacial (MIS 5e). (external link)
• Are Olsen; Abdirahman Omar; Richard Bellerby et al. (2006). Carbon changes in the high latitude North Atlantic. (external link)
• Tor Lien Mjell; Ulysses S Ninnemann; Helga Flesche Kleiven et al. (2011). Variability in ISOW vigor over the last two millennia and its relationship to climate. (external link)
• Tor Lien Mjell; Ulysses S Ninnemann; Helga Flesche Kleiven et al. (2011). Variability in ISOW vigor over the last two Millennia and its relationship to climate. (external link)
• Audrey Geffen; Hans Høie; Arild Folkvord et al. (2007). High Latitude Climate Variability and Its Effect on Fishery Resources As Revealed by Fossil Otoliths. (external link)
• Nil Irvali; Ulysses S Ninnemann; Eystein Jansen et al. (2021). Reconstructing natural variability of Atlantic Water inflow through the Holocene. (external link)
• Ulysses S Ninnemann; Helga Flesche Kleiven; Christine Euler (2006). Covariation in SE Pacific surface and intermediate water properties on centennial-millennial timescales—constraints on the role of the “oceanic tunnel” in abrupt climate change. (external link)
• D Kozakiewicz; B.A. Malmgren; Ulysses S Ninnemann et al. (2006). Paleoclimate changes through the last 67,000 years in the northeastern Caribbean derived from planktonic foraminifera. (external link)
• Tor Lien Mjell; Ulysses S Ninnemann; Helga Flesche Kleiven et al. (2011). Variability in ISOW Vigor Over the Last two Millennia and its Relationship to Climate. (external link)
• Helga Flesche Kleiven; Nil Irvali; Yair Rosenthal et al. (2015). Multiproxy evidence for Climate and North Atlantic Deep Water variability spanning the last two millennia. (external link)
• Ulysses S Ninnemann (2010). Southern ocean natural variability and its connection to global climate-ocean changes on multi-decadal to millennial timescales. (external link)
• Tor Lien Mjell; Ulysses S Ninnemann; Helga Flesche Kleiven et al. (2011). Variability in ISOW Vigor Over the Last two Millennia and its Relationship to Climate. (external link)
• Helga Flesche Kleiven; Nil Irvali; Yair Rosenthal et al. (2015). Nordic Seas Overflows and Climate Variability Trough the Holocene. (external link)
• Ulysses S Ninnemann (2011). PALEODRAKE-climate at the gateway. (external link)
• C. Finsnes; Ulysses S Ninnemann (2011). Links between the Antarctic Circumpolar Current, intermediate ocean ventilation, and deglacial CO2 changes. (external link)
• Ulysses S Ninnemann; Helga Flesche Kleiven (2010). Rapid surface and intermediate ocean variability in the Southeast Pacific since the Last Glacial Maximum. (external link)
• Bjørg Risebrobakken; Camille Li; Carin Andersson et al. (2011). DYNAWARM: Dynamics of Past Warm Climates. (external link)
• Nil Irvali; Ulysses S Ninnemann; Eirik Vinje Galaasen et al. (2011). Abrupt changes in North Atlantic climate and hydrography and their relationship to Greenland Ice Sheet variability during the penultimate interglacial (MIS 5e). (external link)
• Tor Lien Mjell; Ulysses S Ninnemann; Helga Flesche Kleiven et al. (2011). Variability in ISOW vigor over the last two millennia and its relationship to climate. (external link)
• Helga Flesche Kleiven; Y. Rosenthal; Ulysses S Ninnemann (2011). Climate and North Atlantic Deep Water variability since 600 AD. (external link)
• Marie Eide; Are Olsen; Ulysses S Ninnemann et al. (2014). Natural δ13C distributions in the global ocean. (external link)
• Nil Irvali; Ulysses S Ninnemann; Eystein Jansen et al. (2022). Reconstructing natural variability of Atlantic Water inflow through the Holocene. (external link)
• Nil Irvali; Eirik Vinje Galaasen; Ulysses S Ninnemann et al. (2022). Climate thresholds for south Greenland Ice Sheet demise: lessons from late Pleistocene interglacials. (external link)
• Marie Eide; Are Olsen; Ulysses S Ninnemann et al. (2017). Global ocean climatology of the 13C suess effect and preindustrial δ13C. (external link)
• Ulysses S Ninnemann; Helga Flesche Kleiven; Tor Lien Mjell et al. (2012). Nordic Seas overflows—the last two millennia. (external link)
• Ulysses S Ninnemann; Eirik Vinje Galaasen; Nil Irvali et al. (2012). Reductions in North Atlantic Deep Water in a warmer climate—lessons from the last interglacial. (external link)
• Ulysses S Ninnemann; Birgitte Friestad Nyland; Bjørg Risebrobakken (2005). Rapid climate changes: causal connections. (external link)
• Ulysses S Ninnemann; Eirik Vinje Galaasen; Nil Irvali et al. (2019). Variability in North Atlantic Deep Water Ventilation During Late Pleistocene Interglacials. (external link)
• Eirik Vinje Galaasen; Ulysses S Ninnemann; Helga Flesche Kleiven (2010). Rapid Centennial Scale Reductions in North Atlantic Deep Water During the Peak of the Last Interglacial Period Recorded in Sediments from the Eirik Drift. (external link)
• Tor Lien Mjell; Ulysses S Ninnemann; Helga Flesche Kleiven et al. (2010). Decadal-Millennial Scale Variability in the Nordic Seas overflows and their relationship to climate during the Holocene. (external link)
• Eirik Vinje Galaasen; Ulysses S Ninnemann; Helga Flesche Kleiven (2010). Rapid Centennial Scale Reductions in North Atlantic Deep Water During the Peak of the Last Interglacial Period Recorded in Sediments from the Eirik Drift. (external link)
• Nil Irvali; Ulysses S Ninnemann; Eirik Vinje Galaasen et al. (2019). East Greenland Ice Sheet variability and thresholds through late Pleistocene interglacials. (external link)
• Ulysses S Ninnemann; Eirik Vinje Galaasen (2012). Large reductions in North Atlantic Deep Water in a warmer climate—Lessons from the last interglacial. (external link)
• Tor Lien Mjell; Ulysses S Ninnemann; Helga Flesche Kleiven et al. (2012). Variability in ISOW Vigor Over the Last two Millennia and its Relationship to Climate. (external link)
• Ulysses S Ninnemann; Eirik Vinje Galaasen; Nil Irvali et al. (2012). 8.2 kyr-like deep ocean circulation changes during the last interglacial. (external link)
• Ulysses S Ninnemann; Eirik Vinje Galaasen; Nil Irvali et al. (2012). Rapid reductions in North Atlantic Deep Water during the last interglacial period and their relationship to Greenland Ice Sheet variability. (external link)
• M. Caniupan; F. Lamy; C. Lange et al. (2010). Sea surface temperature and marine productivity changes at Southern South America (53°S) over the past 52 kyr BP. (external link)
• Ulysses S Ninnemann; Øyvind Paasche; Jostein Bakke et al. (2010). Paleoceanographic and climatic variability on decadal to millennial timescales across the Drake Passage (PALEODRAKE)—project update (INVITED. (external link)
• Nil Irvali; Ulysses S Ninnemann; Helga Flesche Kleiven et al. (2015). Subpolar gyre changes from the penultimate glaciation to glacial inception and their relationship to Nordic Seas exchanges. (external link)
• Tor Lien Mjell; Ulysses S Ninnemann; Helga Flesche Kleiven et al. (2010). Decadal-Millennial Scale Variability in the Nordic Seas overflows and their relationship to climate during the Holocene. (external link)
• Eirik Vinje Galaasen; Nil Irvali; Ulysses S Ninnemann et al. (2018). North Atlantic Deep Water reductions a persistent feature of the last five interglacial periods. (external link)
• Nil Irvali; Ulysses S Ninnemann; Eirik Vinje Galaasen et al. (2018). East Greenland Ice Sheet variability and thresholds through late Pleistocene interglacials. (external link)
• Helga Flesche Kleiven; Yair Rosenthal; Ulysses S Ninnemann (2010). Climate and North Atlantic Deep Water variability since 600 AD. (external link)
• Helga Flesche Kleiven; Yair Rosenthal; Ulysses S Ninnemann (2011). North Atlantic climate and deep water variability since 600 AD. (external link)
• Tor Lien Mjell; Ulysses S Ninnemann; Helga Flesche Kleiven et al. (2011). Variability in ISOW Vigor Over the Last two Millennia and its Relationship to Climate. (external link)
• Eirik Vinje Galaasen; Ulysses S Ninnemann; Nil Irvali et al. (2014). Rapid reductions in North Atlantic Deep Water during the last interglacial period. (external link)
• Helga Flesche Kleiven; Eystein Jansen; Ulysses S Ninnemann et al. (2009). Holocene climate variability: response to natural and man-made forcing in data and models. (external link)
• Helga Flesche Kleiven; Eystein Jansen; Ulysses S Ninnemann et al. (2009). 10 000 years of climate behavior as a guide to future climate misbehavior. (external link)
• J Kaiser; F. Lamy; R De Pol-Holz et al. (2006). Patagonian Ice Sheet melting over the last deglaciation and possible impact on the oceanic circulation off Chile. (external link)
• K.G. Schulz; U Riebesell; C Neill et al. (2006). Carbon fluxes within a natural plankton assemblage during the PeECE III SCO2 enrichment study. (external link)
• M Lobegeier; C Lange; Ulysses S Ninnemann (2006). Benthic foraminifera as proxies for climate and oceanographic changes in the Holocene off southern Chile. (external link)
• Ulysses S Ninnemann; Helga Flesche Kleiven; Christine Euler (2006). Decadal-Millennial scale variations in Antarctic Intermediate Water properties from 0-50kyr BP—New constraints on the role of the oceanic tunnel in abrupt climate change. (external link)

Conference poster

• Nele Manon Vollmar; Tristan Cordier; Agnes Weiner et al. (2025). Evaluation of sedimentary DNA as a Southern Ocean Sea Ice Proxy. (external link)
• Christine Euler; Ulysses S Ninnemann; Helga Flesche Kleiven (2008). Decadal to centennial scale extratropical climate variability in the Southeast Pacific- mid versus late Holocene. (external link)
• Simon Pierre Lefevere; Ulysses S Ninnemann; Nil Irvali et al. (2022). Natural variability in the Atlantic Water inflow to the Arctic during the last deglaciation. (external link)
• Anne Karin Hufthammer; Hans Høie; Carin Andersson et al. (2006). Mesolithic seasonal sea temperatures revealed from stable isotope analysis of cod otoliths. (external link)
• Sean Bryan; Thomas M. Marchitto; Scott J. Lehman et al. (2010). Ventilation of Intermediate Waters Along the Southern Chile Margin During the Last Deglaciation. (external link)
• Helga Flesche Kleiven; Yair Rosenthal; Ulysses S Ninnemann (2010). Climate and North Atlantic Deep Water variability since 600 AD. (external link)
• Ulysses S Ninnemann; Eirik Vinje Galaasen; Nil Irvali et al. (2010). Rapid Centennial Scale Reductions in North Atlantic Deep Water During the Peak of the Last Interglacial Period. (external link)
• Eirik Vinje Galaasen; Ulysses S Ninnemann; Nil Irvali et al. (2012). Rapid reductions in North Atlantic Deep Water during the last interglacial and their relationship to the Greenland ice sheet. (external link)
• Eirik Vinje Galaasen; Ulysses S Ninnemann; Nil Irvali et al. (2012). Rapid reductions in North Atlantic Deep Water during the last interglacial and their relationship to the Greenland ice sheet. (external link)
• Eirik Vinje Galaasen; Ulysses S Ninnemann; Nil Irvali et al. (2012). Large centennial-scale North Atlantic Deep Water reductions during the peak of the last interglacial period. (external link)
• Christine Euler; Ulysses S Ninnemann (2007). Coupling between Pacific surface and intermediate water properties during the late Holocene inferred from decadally resolved foram isotope records. (external link)
• Nil Irvali; Ulysses S Ninnemann; Helga Flesche Kleiven et al. (2016). Resolving the phasing and forcing dynamics between North Atlantic climate and deep ocean circulation changes. (external link)
• F. Lamy; J. Kaiser; D. Hebbeln et al. (2007). Modulation of the Bipolar Seesaw in the Southeast Pacific During Termination 1. (external link)
• Ulysses S Ninnemann (2007). Variability in recent (late Holocene) climate and ocean circulation reconstructed using foraminiferal stable isotope records and sediment grain sizes in a marine sediment core from Gardar Drift. (external link)
• H. Høland; Ulysses S Ninnemann; Christine Euler (2007). Decadal to centennial scale variability in sub Antarctic surface and intermediate water properties during the mid Holocene. (external link)
• Nil Irvali; Ulysses S Ninnemann; Allegra Liltved et al. (2023). Holocene natural variability in Atlantic Water inflow properties to the Arctic. (external link)
• Tor Lien Mjell; Ulysses S Ninnemann; Helga Flesche Kleiven (2013). Late Holocene variability in the vigor of ISOW and its relationship to climate. (external link)
• Danielle Grant; Kristine Steinsland; Tristan Cordier et al. (2022). Sedimentary ancient DNA Reveals Biodiversity Shifts in the Last Interglacial Labrador Sea. (external link)
• Eirik V. Galaasen; Ulysses S Ninnemann; Helga Flesche Kleiven (2008). Rapid Centennial Scale Reductions in North Atlantic Deep Water During the Peak of the Last Interglacial Period Recorded in Sediments From the Eirik Drift. (external link)
• Tor Lien Mjell; Ulysses S Ninnemann; Helga Flesche Kleiven (2008). Variability in ISOW Vigor Over the Last Millennium and its Relationship to Climate. (external link)
• Nil Irvali; Helga Flesche Kleiven; Ulysses S Ninnemann (2013). Multi-proxy evidence for changes in subpolar North Atlantic surface ocean hydrography and climate during the last interglacial. (external link)
• Eirik Vinje Galaasen; Ulysses S Ninnemann; Marie Eide et al. (2013). Subdecadally resolved SE Pacific surface and intermediate water property variability spanning 500-1700 AD. (external link)
• Eirik Vinje Galaasen; Ulysses S Ninnemann; Nil Irvali et al. (2013). Interglacial deep ocean instability. (external link)
• Tor Lien Mjell; Ulysses S Ninnemann; Helga Flesche Kleiven et al. (2013). Variability in the vigor of the eastern branch of the Nordic Seas overflows during the last two millennia and its relationship to climate. (external link)
• Anna Pienkowski; Katrine Husum; Simon Belt et al. (2023). Seasonal Sea ice in a warmer Arctic climate during the Holocene Thermal Maximum. (external link)
• Kristine Steinsland; Ulysses S Ninnemann; Kirsten Fahl et al. (2022). Last Interglacial sea ice variability and paleoceanography of the Labrador Sea. (external link)
• C. Laj; C Kissel; Ulysses S Ninnemann (2008). A Possible Record of the Laschamp Excursion From High Sedimentation Rate Sediments in the Southern Hemisphere. (external link)
• Nil Irvali; Ulysses S Ninnemann; Eirik Vinje Galaasen et al. (2009). The Relationship between North Atlantic Deep Water (NADW), climate and the Greenland Ice Sheet during the Penultimate Interglacial (MIS 5e). (external link)
• Simon Pierre Lefevere; Ulysses S Ninnemann; Nil Irvali et al. (2022). Abrupt deglacial variations in the properties and vigor of the Atlantic Water inflow to the Arctic. (external link)
• Nil Irvali; Ulysses S Ninnemann; Allegra Liltved et al. (2022). Holocene natural variability in Atlantic Water inflow properties to the Arctic. (external link)
• I.V. Johansen; Helga Flesche Kleiven; Ulysses S Ninnemann (2008). Atlantic Meridional Overturning Circulation since 800 AD and its link to surface climate variability. (external link)
• Christine Euler; Helga Flesche Kleiven; T.M. Marchitto et al. (2008). Pacific high resolution multi proxy study from ODP site 1233 during the Antarctic Isotope Maximum AIM 12. (external link)
• Anna Pieńkowski; Katrine Husum; Simon T. Belt et al. (2021). Long-term reference values of sea ice northeast of Svalbard. (external link)
• Are Olsen; Richard Bellerby; Peter M. Haugan et al. (2004). Bjerknes activity 8: Ocean carbon cycle and biogeochemistry. (external link)
• Danielle Grant; Kristine Steinsland; Tristan Cordier et al. (2021). The Last Interglacial in the Labrador Sea: a sedimentary ancient DNA investigation. (external link)
• Frida Hoem; Ulysses S Ninnemann; Helga Flesche Kleiven et al. (2017). Centennial-millennial scale variations in Western Antarctic Ice Sheet discharge and their relationship to climate and ocean changes during the late Holocene. (external link)
• Sunniva Rutledal; Ulysses S Ninnemann; Helga Flesche Kleiven et al. (2017). Assessing linkages between ice sheet calving, subpolar gyre density and deep water ventilation during the last glaciation. (external link)
• Marie Eide; Ulysses S Ninnemann; Truls Johannessen et al. (2013). Natural δ13C distributions in the Global Ocean. (external link)
• Marie Eide; Are Olsen; Ulysses S Ninnemann (2014). The global ocean 13C Suess effect and uptake of anthropogenic CO2. (external link)
• Natalie Soltvedt; Helga Flesche Kleiven; Nil Irvali et al. (2014). Ocean Drilling Program (ODP) Site 1233, SE Pacific Ocean: paleoclimatic reconstructions over Antarctic warming event 1. (external link)
• Tom Arne Rydningen; Vårin Trælvik Eilertsen; Matthias Forwick et al. (2021). NW Barents Sea Ice Sheet dynamics during the last glaciation inferred from submarine landforms east of Spitsbergen. (external link)
• Tom Arne Rydningen; Vårin Trælvik Eilertsen; Matthias Forwick et al. (2021). NW Barents Sea Ice Sheet dynamics during the last glaciation inferred from submarine landforms east of Spitsbergen. (external link)
• Eelco J. Rohling; Fiona D. Hibbert; Katharine Grant et al. (2019). Asynchronous Antarctic and Greenland ice-volume contributions to the last interglacial sea-level highstand. (external link)
• C. Pudsey; R. Gersonde; M. Weber et al. (2003). Ocean-climate variability and ice sheet stability in the Atlantic sector of the Southern Ocean. (external link)
• Nil Irvali; Eirik Vinje Galaasen; Ulysses S Ninnemann et al. (2019). A low climate threshold for south Greenland Ice Sheet demise during the late Pleistocene. (external link)
• D. Nuernberg; N. Brughmans; J. Schoenfeld et al. (2003). Glacial/Interglacial Changes in the Subtropical Convergence Zone off Tasmania - Implications from Marine Productivity, Terrigenous Flux and Sea Surface Temperatures (ODP Leg 189). (external link)
• Allegra Liltved; Ulysses S Ninnemann; Nil Irvali (2021). Variability in Atlantic Water inflow into the Arctic Ocean since the deglaciation. (external link)
• Helga Flesche Kleiven; Ulysses S Ninnemann (2004). The timing and character of rapid surface and intermediate ocean variability in the southeast Pacific - constraints on the origin of abrupt global climate events. (external link)
• Sean Bryan; Thomas M. Marchitto; Scott J. Lehmann et al. (2010). Ventilation of Intermediate Waters Along the Southern Chile Margin During the Last Deglaciation. (external link)
• Simon Pierre Lefevere; Ulysses S Ninnemann; Nil Irvali et al. (2021). Natural variability in the Atlantic Water inflow to the Arctic during the last deglaciation. (external link)
• Anne Karin Hufthammer; Hans Høie; Carin Andersson et al. (2006). Mesolithic seasonal sea temperatures revealed from stable isotope analysis of cod otoliths. (external link)
• Nil Irvali; Helga Flesche Kleiven; Ulysses S Ninnemann (2012). New sedimentary constraints for changes in Iceland-Scotland Overflow Water linked to North Atlantic climate variability during the last interglacial period. (external link)
• Tor Lien Mjell; Ulysses S Ninnemann; Helga Flesche Kleiven et al. (2012). Variability in the Vigor of ISOW During the Last two Millennia and its Relationship to Climate. (external link)
• Tor Lien Mjell; Ulysses S Ninnemann; Helga Flesche Kleiven et al. (2012). Variability in the Vigor of ISOW During the Last two Millennia and its Relationship to Climate. (external link)
• Eirik Vinje Galaasen; Ulysses S Ninnemann; Allyson Tessin (2012). Subdecadally resolved SE Pacific intermediate water variability during the last millennium. (external link)
• Nil Irvali; Helga Flesche Kleiven; Ulysses S Ninnemann (2012). New sedimentary constraints for changes in Iceland-Scotland Overflow Water linked to North Atlantic climate variability during the last interglacial period. (external link)
• Tor Lien Mjell; Helene R. Langehaug; Odd Helge Otterå et al. (2012). Reconstructing ocean circulation and climate based on the “Gardar Drift”. (external link)
• Marie Eide; Are Olsen; Ulysses S Ninnemann (2012). Assessment of the 13C-Suess effect in the global ocean. (external link)
• Nil Irvali; Ulysses S Ninnemann; Eirik Vinje Galaasen et al. (2010). The relationship between North Atlantic Deep Water (NADW), climate, and the Greenland Ice Sheet during the Penultimate Interglacial (MIS 5e). (external link)
• Nil Irvali; Ulysses S Ninnemann; Eirik Vinje Galaasen et al. (2011). Abrupt changes in North Atlantic Climate and hydrography and their relationship to deep ocean ventilation during the penultimate interglacial (MIS 5e). (external link)
• Ulysses S Ninnemann; Eirik Vinje Galaasen; Helga Flesche Kleiven et al. (2016). Thresholds for destabilizing thermohaline circulation and ocean carbon cycling in a warmer world (THRESHOLDS). (external link)
• C. Pudsey; R. Gersonde; M. Weber et al. (2003). Ocean-climate variability and ice sheet stability in the Atlantic sector of the Southern Ocean. (external link)
• D. Nuernberg; N. Brughmans; J. Scoenfeld et al. (2003). Glacial/Integlacial Changes in the Subtropical Convergence Zone off Tasmania - implications from Marine Productivity, Terrigenois Flux and Sea Surface Temperatyres (ODP Leg 189). (external link)
• Are Olsen; Abdirahman Omar; Richard Bellerby et al. (2005). Nordic Seas Anthropogenic CO2 Increase and 13C Suess Effect Over the Last two Decades. (external link)
• Allyson Tessin; Mark Zindorf; Rachel Gray et al. (2023). Iron and Manganese-Driven Benthic, Organic Carbon Mineralization in the Northwestern Barents Sea. (external link)
• Eirik Vinje Galaasen; Ulysses S Ninnemann; David A. Hodell (2016). Centennial- to millennial-scale evolution of lower North Atlantic Deep Water ventilation during MIS 5e. (external link)

Academic book chapter

• Ulysses S Ninnemann; Jostein Bakke; Øyvind Paasche (2011). Hvordan kan klimaendringer forandre verdens største hvastrøm?. (external link)

Academic literature review

• Jorge A. Strelin; George H. Denton; Marcus J. Vandergoes et al. (2011). Radiocarbon chronology of the late-glacial Puerto Bandera moraines, southern Patagonian Icefield, Argentina. (external link)
• Elisabeth L. Sikes; Natalie E. Umling; Katherine A. Allen et al. (2023). Southern Ocean glacial conditions and their influence on deglacial events. (external link)
• Jean Lynch-Stieglitz; Jess F. Adkins; William B. Curry et al. (2007). Atlantic meridional overturning circulation during the Last Glacial Maximum. (external link)

Media interview

• Ulysses S Ninnemann (2011). Verdens største havstrøm. (external link)
• Eystein Jansen; Frode Flatøy; Ulysses S Ninnemann et al. (2009). Norsk klimavarsling kan bli svekket. (external link)
• Are Olsen; Ulysses S Ninnemann (2010). Ny metode revolusjonerer tolking av fortidens havklima. (external link)
• Zhongshi Zhang; Kerim Hestnes Nisancioglu; Ulysses S Ninnemann (2013). Circulation changes in a warmer ocean. (external link)
• John-Inge Svendsen; Ulysses S Ninnemann; Jerry Tjiputra et al. (2013). Flott NORKLIMA-uttelling for UiB og GEO!. (external link)
• Are Olsen; Ulysses S Ninnemann (2010). UiB-forskere bedrer fortidsvarsel. (external link)
• Helga Flesche Kleiven; Ulysses S Ninnemann (2012). En amerikansk drøm. (external link)

Letter to the editor

• Peter U. Clark; Thomas L. Delworth; Andrew J. Weaver et al. (2008). Freshwater Forcing: Will History Repeat Itself?. (external link)

Research report

• Anders Bjartnes; Lars-Henrik Paarup Michelsen; Håvar Skaugen et al. (2021). Vippepunkter i klimasystemet. (external link)
• Katrine Husum; Ulysses S Ninnemann; Tom Arne Rydningen et al. (2020). Paleo Cruise 2018: Cruise Report. (external link)

See a complete overview of publications in NVA.

SNACS, THRESHOLDS, ORGANIC, FARLAB, BIGCHANGE, MEDEVAC