Ulysses Silas Ninnemann
Position
Professor, leader of Quaternary and Paleoclimate research group
Affiliation
Research groups
Teaching
Paleoclimatology GEOV 222
Paleoceanography GEOV 331
Marine Geology lab and field course GEOV 231
The Geochemical Toolbox GEOV 342
Publications
Academic article
- Sergiou, Spyros; Geraga, Maria; Pechlivanidou, Sofia 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)
- Irvali, Nil; Ninnemann, Ulysses S; Olsen, Are et al. (2024). Revising chronological uncertainties in marine archives using global anthropogenic signals: a case study on the oceanic <sup>13</sup>C Suess effect. (external link)
- Grant, Danielle; Steinsland, Kristine; Cordier, Tristan et al. (2024). Sedimentary ancient DNA sequences reveal marine ecosystem shifts and indicator taxa for glacial-interglacial sea ice conditions. (external link)
- Steinsland, Kristine; Grant, Danielle; Ninnemann, Ulysses S et al. (2023). Sea ice variability in the North Atlantic subpolar gyre throughout the last interglacial. (external link)
- Holmes, Dakota E.; Babila, Tali L.; Ninnemann, Ulysses S 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)
- Von Leesen, Gotje; Bogstad, Bjarte; Hjørleifsson, Einar et al. (2022). Temperature exposure in cod driven by changes in abundance. (external link)
- Pienkowski, Anna; Husum, Katrine; Belt, Simon T. et al. (2021). Seasonal sea ice persisted through the Holocene Thermal Maximum at 80°N. (external link)
- Morée, Anne; Schwinger, Jörg; Ninnemann, Ulysses S et al. (2021). Evaluating the biological pump efficiency of the Last Glacial Maximum ocean using d13C. (external link)
- Moros, Matthias; De Deckker, Patrick; Perner, Kerstin et al. (2021). Hydrographic shifts south of Australia over the last deglaciation and possible interhemispheric linkages. (external link)
- Irvali, Nil; Galaasen, Eirik Vinje; Ninnemann, Ulysses S et al. (2020). A low climate threshold for south Greenland Ice Sheet demise during the Late Pleistocene. (external link)
- Kessler, Augustin; Bouttes, Nathaelle; Roche, Didier M. et al. (2020). Atlantic Meridional Overturning Circulation and δ13C Variability During the Last Interglacial. (external link)
- Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Kessler, Augustin et al. (2020). Interglacial instability of North Atlantic Deep Water ventilation. (external link)
- Kessler, Augustin; Bouttes, Nathaelle; Roche, Didier M. et al. (2020). Dynamics of spontaneous (multi) centennial‐scale variations of the Atlantic meridional overturning circulation strength during the last interglacial. (external link)
- Von Leesen, Gotje; Ninnemann, Ulysses S; Campana, Steven E. (2020). Stable oxygen isotope reconstruction of temperature exposure of the Icelandic cod (Gadus morhua) stock over the last 100 years. (external link)
- Cheng, Lin; Normandeau, Claire; Bowden, Roxane et al. (2019). An international intercomparison of stable carbon isotope composition measurements of dissolved inorganic carbon in seawater. (external link)
- Rohling, E.J.; Hibbert, F.D.; Grant, K.M. et al. (2019). Asynchronous Antarctic and Greenland ice-volume contributions to the last interglacial sea-level highstand. (external link)
- Lougheed, Bryan C.; Metcalfe, Brett; Ninnemann, Ulysses S 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)
- Kessler, Augustin; Galaasen, Eirik Vinje; Ninnemann, Ulysses S et al. (2018). Ocean carbon inventory under warmer climate conditions – the case of the Last Interglacial. (external link)
- Morley, Audrey; Balbila, Tali L.; Wright, James et al. (2017). Environmental Controls on Mg/Ca in Neogloboquadrina incompta: A Core-Top Study From the Subpolar North Atlantic. (external link)
- Eide, Marie; Olsen, Are; Ninnemann, Ulysses S et al. (2017). A global ocean climatology of preindustrial and modern ocean δ13C. (external link)
- Eide, Marie; Olsen, Are; Ninnemann, Ulysses S et al. (2017). A global estimate of the full oceanic 13C Suess effect since the preindustrial. (external link)
- Sælen, Gunnar; Lunde, Ingelin Løkling; Porten, Kristin Walderhaug 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)
- Ullermann, Johannes; Lamy, Frank; Ninnemann, Ulysses S et al. (2016). Pacific-Atlantic Circumpolar Deep Water coupling during the last 500 ka. (external link)
- Langehaug, Helene R.; Mjell, Tor Lien; Otterå, Odd Helge et al. (2016). On the reconstruction of ocean circulation and climate based on the "Gardar Drift". (external link)
- Irvali, Nil; Ninnemann, Ulysses S; Kleiven, Helga Flesche et al. (2016). Evidence for regional cooling, frontal advances, and East Greenland Ice Sheet changes during the demise of the last interglacial. (external link)
- Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche et al. (2016). Multidecadal changes in Iceland Scotland Overflow Water vigor over the last 600 years and its relationship to climate. (external link)
- Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Irvali, Nil et al. (2015). Deep Atlantic variability during the last interglacial period. (external link)
- Lohmann, Katja; Mignot, Juliette; Langehaug, Helene R. 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)
- Mjell, Tor Lien; Ninnemann, Ulysses S; Eldevik, Tor et al. (2015). Holocene multidecadal- to millennial-scale variations in Iceland-Scotland overflow and their relationship to climate. (external link)
- Schaefer, Joerg M.; Putnam, Aaron E.; Denton, George H. et al. (2015). The southern glacial maximum 65,000 years ago and its unfinished termination. (external link)
- Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Irvali, Nil et al. (2014). Rapid reductions in North Atlantic Deep Water during the peak of the last Interglacial period. (external link)
- Zhang, Zhongshi; Nisancioglu, Kerim Hestnes; Ninnemann, Ulysses S (2013). Increased ventilation of Antarctic deep water during the warm mid-Pliocene. (external link)
- Harada, Naomi; Ninnemann, Ulysses S; Lange, Carina B. et al. (2013). Deglacial-Holocene environmental changes at the Pacific entrance of the Strait of Magellan. (external link)
- Irvali, Nil; Ninnemann, Ulysses S; Galaasen, Eirik Vinje et al. (2012). Rapid switches in subpolar North Atlantic hydrography and climate during the Last Interglacial (MIS 5e). (external link)
- Austin, William E.N.; Telford, Richard; Ninnemann, Ulysses S et al. (2011). North Atlantic reservoir ages linked to high Younger Dryas atmospheric radiocarbon concentrations. (external link)
- Geffen, Audrey J.; Høie, Hans ; Folkvord, Arild et al. (2011). High-latitude climate variability and its effect on fisheries resources as revealed by fossil cod otoliths. (external link)
- Olsen, Are ; Ninnemann, Ulysses S (2010). Large delta C-13 Gradients in the Preindustrial North Atlantic Revealed. (external link)
- Charles, Christopher D. ; Pahnke, Katharina; Zahn, Rainer et al. (2010). Millennial scale evolution of the Southern Ocean chemical divide. (external link)
- Euler, Christine; Ninnemann, Ulysses Silas (2010). Climate and Antarctic intermediate water coupling during the late Holocene. (external link)
- Hufthammer, Anne Karin; Høie, Hans ; Folkvord, Arild et al. (2010). Seasonality of human site occupation based on stable oxygen isotope ratios of cod otoliths. (external link)
- Sadekov, Aleksey; Eggins, Stephen M.; De Deckker, Patrick 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)
- Foster, L.C.; Allison, N; Finch, A.A. et al. (2009). Controls on delta 18-O and 13-C profiles within the aragonite bivalve Arctica islandica. (external link)
- Shiao, Jen-Chieh; Yui, Tzen-Fu; Høie, Hans 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)
- Foster, Laura Carole; Allison, Nicola; Finch, Adrian A. et al. (2009). Controls on delta O-18 and delta C-13 profiles within the aragonite bivalve Arctica islandica. (external link)
- Kleiven, Helga Flesche; Kissel, Catherine; Laj, Carlo et al. (2008). Reduced North Atlantic Deep Water coeval with the glacial Lake Agassiz freshwater outburst. (external link)
- Hidalgo, M.; Tomas, J; Høie, Hans 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)
- Hidalgo, Manuel; Tomas, Javier; Høie, Hans et al. (2008). Environmental influences on the recruitment process inferred from otolith stable isotopes in Merluccius merluccius off the Balearic Islands. (external link)
- Lamy, Frank; Kaiser, Jérôme; Arz, Helge W. et al. (2007). Modulation of the bipolar seesaw in the southeast pacific during Termination 1. (external link)
- Lynch-Stieglitz, John; Curry, William B.; Oppo, Delia W. et al. (2006). Meridional overturning circulation in the South Atlantic at the last glacial maximum,. (external link)
- Olsen, Are ; Omar, Abdirahman; Bellerby, Richard et al. (2006). Magnitude and origin of the anthroopogenic CO2 increase and 13C Suess effect in the Nordic seas since 1981. (external link)
- Jansen, Eystein; Dokken, Trond Martin; Nesje, Atle et al. (2005). Bjerknes Centre for Climate Research - combining past, present and future climate change. (external link)
- Lamy, Frank; Kaiser, Jerome; Ninnemann, Ulysses S et al. (2004). Antarctic timing of surface water changes off Chile and Patagonian ice sheet response. (external link)
- Malone, Mitchell J.; Martin, Jonathan B.; Schönfeld, Joachim et al. (2004). The oxygen isotopic composition and temperature of Southern Ocean bottom waters during the last glacial maximum. (external link)
- Ninnemann, Ulysses S; Charles, C.D. (2002). Changes in the mode of Southern Ocean circulation over the last glacial cycle revealed by foraminiferal stale isotopic variability. (external link)
Academic literature review
- Sikes, Elisabeth L.; Umling, Natalie E.; Allen, Katherine A. et al. (2023). Southern Ocean glacial conditions and their influence on deglacial events. (external link)
- Strelin, Jorge A.; Denton, George H.; Vandergoes, Marcus J. et al. (2011). Radiocarbon chronology of the late-glacial Puerto Bandera moraines, southern Patagonian Icefield, Argentina. (external link)
- Lynch-Stieglitz, Jean; Adkins, Jess F.; Curry, William B. et al. (2007). Atlantic meridional overturning circulation during the Last Glacial Maximum. (external link)
Poster
- Irvali, Nil; Ninnemann, Ulysses S; Liltved, Allegra et al. (2023). Holocene natural variability in Atlantic Water inflow properties to the Arctic. (external link)
- Pienkowski, Anna; Husum, Katrine; Belt, Simon et al. (2023). Seasonal Sea ice in a warmer Arctic climate during the Holocene Thermal Maximum. (external link)
- Tessin, Allyson; Zindorf, Mark; Gray, Rachel et al. (2023). Iron and Manganese-Driven Benthic, Organic Carbon Mineralization in the Northwestern Barents Sea. (external link)
- Lefevere, Simon Pierre; Ninnemann, Ulysses S; Irvali, Nil et al. (2022). Natural variability in the Atlantic Water inflow to the Arctic during the last deglaciation. (external link)
- Lefevere, Simon Pierre; Ninnemann, Ulysses S; Irvali, Nil et al. (2022). Abrupt deglacial variations in the properties and vigor of the Atlantic Water inflow to the Arctic. (external link)
- Irvali, Nil; Ninnemann, Ulysses S; Liltved, Allegra et al. (2022). Holocene natural variability in Atlantic Water inflow properties to the Arctic. (external link)
- Grant, Danielle; Steinsland, Kristine; Cordier, Tristan et al. (2022). Sedimentary ancient DNA Reveals Biodiversity Shifts in the Last Interglacial Labrador Sea. (external link)
- Steinsland, Kristine; Ninnemann, Ulysses S; Fahl, Kirsten et al. (2022). Last Interglacial sea ice variability and paleoceanography of the Labrador Sea. (external link)
- Grant, Danielle; Steinsland, Kristine; Cordier, Tristan et al. (2021). The Last Interglacial in the Labrador Sea: a sedimentary ancient DNA investigation. (external link)
- Rydningen, Tom Arne; Eilertsen, Vårin Trælvik; Forwick, Matthias et al. (2021). NW Barents Sea Ice Sheet dynamics during the last glaciation inferred from submarine landforms east of Spitsbergen. (external link)
- Rydningen, Tom Arne; Eilertsen, Vårin Trælvik; Forwick, Matthias et al. (2021). NW Barents Sea Ice Sheet dynamics during the last glaciation inferred from submarine landforms east of Spitsbergen. (external link)
- Liltved, Allegra; Ninnemann, Ulysses S; Irvali, Nil (2021). Variability in Atlantic Water inflow into the Arctic Ocean since the deglaciation. (external link)
- Lefevere, Simon Pierre; Ninnemann, Ulysses S; Irvali, Nil et al. (2021). Natural variability in the Atlantic Water inflow to the Arctic during the last deglaciation. (external link)
- Pieńkowski, Anna; Husum, Katrine; Belt, Simon T. et al. (2021). Long-term reference values of sea ice northeast of Svalbard. (external link)
- Rohling, Eelco J.; Hibbert, Fiona D.; Grant, Katharine et al. (2019). Asynchronous Antarctic and Greenland ice-volume contributions to the last interglacial sea-level highstand. (external link)
- Irvali, Nil; Galaasen, Eirik Vinje; Ninnemann, Ulysses S et al. (2019). A low climate threshold for south Greenland Ice Sheet demise during the late Pleistocene. (external link)
- Rutledal, Sunniva; Ninnemann, Ulysses S; Kleiven, Helga Flesche et al. (2017). Assessing linkages between ice sheet calving, subpolar gyre density and deep water ventilation during the last glaciation . (external link)
- Hoem, Frida; Ninnemann, Ulysses S; Kleiven, Helga Flesche 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)
- Ninnemann, Ulysses S; Galaasen, Eirik Vinje; Kleiven, Helga Flesche et al. (2016). Thresholds for destabilizing thermohaline circulation and ocean carbon cycling in a warmer world (THRESHOLDS). (external link)
- Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Hodell, David A. (2016). Centennial- to millennial-scale evolution of lower North Atlantic Deep Water ventilation during MIS 5e. (external link)
- Irvali, Nil; Ninnemann, Ulysses S; Kleiven, Helga Flesche et al. (2016). Resolving the phasing and forcing dynamics between North Atlantic climate and deep ocean circulation changes . (external link)
- Soltvedt, Natalie; Kleiven, Helga Flesche; Irvali, Nil et al. (2014). Ocean Drilling Program (ODP) Site 1233, SE Pacific Ocean: paleoclimatic reconstructions over Antarctic warming event 1. (external link)
- Eide, Marie; Olsen, Are; Ninnemann, Ulysses S (2014). The global ocean 13C Suess effect and uptake of anthropogenic CO2. (external link)
- Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Irvali, Nil et al. (2013). Interglacial deep ocean instability. (external link)
- Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Eide, Marie et al. (2013). Subdecadally resolved SE Pacific surface and intermediate water property variability spanning 500-1700 AD. (external link)
- Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche 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)
- Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche (2013). Late Holocene variability in the vigor of ISOW and its relationship to climate. (external link)
- Irvali, Nil; Kleiven, Helga Flesche; Ninnemann, Ulysses S (2013). Multi-proxy evidence for changes in subpolar North Atlantic surface ocean hydrography and climate during the last interglacial. (external link)
- Eide, Marie; Ninnemann, Ulysses S; Johannessen, Truls et al. (2013). Natural δ13C distributions in the Global Ocean. (external link)
- Irvali, Nil; Kleiven, Helga Flesche; Ninnemann, Ulysses S (2012). New sedimentary constraints for changes in Iceland-Scotland Overflow Water linked to North Atlantic climate variability during the last interglacial period. (external link)
- Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche et al. (2012). Variability in the Vigor of ISOW During the Last two Millennia and its Relationship to Climate. (external link)
- Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Irvali, Nil et al. (2012). Large centennial-scale North Atlantic Deep Water reductions during the peak of the last interglacial period. (external link)
- Irvali, Nil; Kleiven, Helga Flesche; Ninnemann, Ulysses S (2012). New sedimentary constraints for changes in Iceland-Scotland Overflow Water linked to North Atlantic climate variability during the last interglacial period. (external link)
- Mjell, Tor Lien; Langehaug, Helene R.; Otterå, Odd Helge et al. (2012). Reconstructing ocean circulation and climate based on the “Gardar Drift”. (external link)
- Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche et al. (2012). Variability in the Vigor of ISOW During the Last two Millennia and its Relationship to Climate. (external link)
- Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Irvali, Nil et al. (2012). Rapid reductions in North Atlantic Deep Water during the last interglacial and their relationship to the Greenland ice sheet. (external link)
- Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Tessin, Allyson (2012). Subdecadally resolved SE Pacific intermediate water variability during the last millennium. (external link)
- Eide, Marie; Olsen, Are ; Ninnemann, Ulysses S (2012). Assessment of the 13C-Suess effect in the global ocean. (external link)
- Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Irvali, Nil et al. (2012). Rapid reductions in North Atlantic Deep Water during the last interglacial and their relationship to the Greenland ice sheet. (external link)
- Irvali, Nil; Ninnemann, Ulysses S; Galaasen, Eirik Vinje 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)
- Bryan, Sean; Marchitto, Thomas M.; Lehmann, Scott J. et al. (2010). Ventilation of Intermediate Waters Along the Southern Chile Margin During the Last Deglaciation. (external link)
- Irvali, Nil; Ninnemann, Ulysses S; Galaasen, Eirik Vinje 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)
- Bryan, Sean; Marchitto, Thomas M.; Lehman, Scott J. et al. (2010). Ventilation of Intermediate Waters Along the Southern Chile Margin During the Last Deglaciation. (external link)
- Kleiven, Helga Flesche; Rosenthal, Yair; Ninnemann, Ulysses S (2010). Climate and North Atlantic Deep Water variability since 600 AD. (external link)
- Ninnemann, Ulysses S; Galaasen, Eirik Vinje; Irvali, Nil et al. (2010). Rapid Centennial Scale Reductions in North Atlantic Deep Water During the Peak of the Last Interglacial Period. (external link)
- Irvali, Nil; Ninnemann, Ulysses S; Galaasen, Eirik Vinje 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)
- Euler, Christine; Kleiven, Helga Flesche; Marchitto, T.M. et al. (2008). Pacific high resolution multi proxy study from ODP site 1233 during the Antarctic Isotope Maximum AIM 12. (external link)
- Johansen, I.V.; Kleiven, Helga Flesche; Ninnemann, Ulysses S (2008). Atlantic Meridional Overturning Circulation since 800 AD and its link to surface climate variability. (external link)
- Euler, Christine; Ninnemann, Ulysses S; Kleiven, Helga Flesche (2008). Decadal to centennial scale extratropical climate variability in the Southeast Pacific- mid versus late Holocene. (external link)
- Lien Mjell, Tor; Ninnemann, Ulysses S; Kleiven, Helga Flesche (2008). Variability in ISOW Vigor Over the Last Millennium and its Relationship to Climate. (external link)
- Laj, C.; Kissel, C; Ninnemann, Ulysses S (2008). A Possible Record of the Laschamp Excursion From High Sedimentation Rate Sediments in the Southern Hemisphere. (external link)
- Galaasen, Eirik V.; Ninnemann, Ulysses S; Kleiven, Helga Flesche (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)
- Høland, H.; Ninnemann, Ulysses S; Euler, Christine (2007). Decadal to centennial scale variability in sub Antarctic surface and intermediate water properties during the mid Holocene. (external link)
- Lamy, F.; Kaiser, J.; Hebbeln, D. et al. (2007). Modulation of the Bipolar Seesaw in the Southeast Pacific During Termination 1. (external link)
- Euler, Christine; Ninnemann, Ulysses S (2007). Coupling between Pacific surface and intermediate water properties during the late Holocene inferred from decadally resolved foram isotope records. (external link)
- Ninnemann, Ulysses S (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)
- Hufthammer, Anne Karin; Høie, Hans ; Andersson, Carin et al. (2006). Mesolithic seasonal sea temperatures revealed from stable isotope analysis of cod otoliths. (external link)
- Hufthammer, Anne Karin; Høie, Hans ; Andersson, Carin et al. (2006). Mesolithic seasonal sea temperatures revealed from stable isotope analysis of cod otoliths. (external link)
- Olsen, Are; Omar, Abdirahman; Bellerby, Richard et al. (2005). Nordic Seas Anthropogenic CO2 Increase and 13C Suess Effect Over the Last two Decades. (external link)
- Olsen, Are; Bellerby, Richard; Haugan, Peter M. et al. (2004). Bjerknes activity 8: Ocean carbon cycle and biogeochemistry. (external link)
- Kleiven, Helga Flesche; Ninnemann, Ulysses S (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)
- Pudsey, C.; Gersonde, R.; Weber, M. et al. (2003). Ocean-climate variability and ice sheet stability in the Atlantic sector of the Southern Ocean. (external link)
- Nuernberg, D.; Brughmans, N.; Schoenfeld, J. 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)
- Nuernberg, D.; Brughmans, N.; Scoenfeld, J. 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)
- Pudsey, C.; Gersonde, R.; Weber, M. et al. (2003). Ocean-climate variability and ice sheet stability in the Atlantic sector of the Southern Ocean. (external link)
Academic lecture
- Rydningen, Tom Arne; Eilertsen, Vårin Trælvik; Kollsgård, Christine Tømmervik et al. (2023). Glacial History of the Northern Barents Sea Reconstructed from Submarine Landforms – Nansen Legacy Results and Research Outlook . (external link)
- Irvali, Nil; Ninnemann, Ulysses S; Liltved, Allegra et al. (2023). Holocene Natural Variability in Atlantic Water Inflow Properties to the Arctic. (external link)
- Ninnemann, Ulysses S; Irvali, Nil; Lefevere, Simon Pierre et al. (2023). Unravelling the Link between Arctic-Atlantic Exchanges and Meridional Overturning Circulation during the last Deglaciation. (external link)
- Pienkowski, Anna; Husum, Katrine; Belt, Simon T. et al. (2022). Nuanced responses of seasonal sea ice to a warmer Arctic climate during the Holocene Thermal Maximum. (external link)
- Sergiou, Spyros; Geraga, Maria; Pechlivanidou, Sofia et al. (2022). Paleoceanographic conditions within the Corinth rift basin during the last interglacial (MIS 5e). (external link)
- De Schepper, Stijn; Grant, Danielle; Steinsland, Kristine et al. (2022). Labrador Sea paleoceanography and paleodiversity across the Last Interglacial.. (external link)
- Irvali, Nil; Ninnemann, Ulysses S; Jansen, Eystein et al. (2022). Reconstructing natural variability of Atlantic Water inflow through the Holocene . (external link)
- Irvali, Nil; Galaasen, Eirik Vinje; Ninnemann, Ulysses S et al. (2022). Climate thresholds for south Greenland Ice Sheet demise: lessons from late Pleistocene interglacials . (external link)
- Irvali, Nil; Ninnemann, Ulysses S; Jansen, Eystein et al. (2021). Reconstructing natural variability of Atlantic Water inflow through the Holocene. (external link)
- von Leesen, Gotje; Bogstad, Bjarte; Hjorleifsson, Einar et al. (2021). A century of otolith-derived temperature exposure of Icelandic and Norwegian cod (Gadus morhua) . (external link)
- Kessler, Augustin; Roche, Didier M.; Galaasen, Eirik Vinje et al. (2021). AMOC instability during the Last Inerglacial. (external link)
- Steinsland, Kristine; Ninnemann, Ulysses S; Fahl, Kristen et al. (2021). Last Interglacial sea ice variability and paleoceanography of the Labrador Sea. (external link)
- Grant, Danielle; Steinsland, Kristine; Mugu, Sigrid et al. (2021). The Last Interglacial in the Labrador Sea: a sedimentary ancient DNA investigation. (external link)
- Husum, Katrine; Pieńkowski, Anna; Belt, Simon T. et al. (2021). Seasonal sea ice persisted at 80°N during past warmer-than-present conditions . (external link)
- Kessler, Augustin; Tjiputra, Jerry; Galaasen, Eirik Vinje et al. (2019). Ocean carbon inventory under warmer climate conditions – the case of the Last Interglacial . (external link)
- Kleiven, Helga Flesche; Ninnemann, Ulysses S (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)
- Ninnemann, Ulysses S; Galaasen, Eirik Vinje; Irvali, Nil et al. (2019). Variability in North Atlantic Deep Water Ventilation During Late Pleistocene Interglacials. (external link)
- Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Kessler, Augustin et al. (2019). Variability in ocean ventilation during recent interglacial periods. (external link)
- Irvali, Nil; Ninnemann, Ulysses S; Galaasen, Eirik Vinje et al. (2019). East Greenland Ice Sheet variability and thresholds through late Pleistocene interglacials . (external link)
- Irvali, Nil; Ninnemann, Ulysses S; Galaasen, Eirik Vinje et al. (2018). East Greenland Ice Sheet variability and thresholds through late Pleistocene interglacials . (external link)
- Galaasen, Eirik Vinje; Irvali, Nil; Ninnemann, Ulysses S et al. (2018). North Atlantic Deep Water reductions a persistent feature of the last five interglacial periods. (external link)
- Irvali, Nil; Ninnemann, Ulysses S; Kleiven, Helga Flesche et al. (2017). Resolving the phasing and forcing dynamics between North Atlantic climate and deep ocean circulation changes . (external link)
- Eide, Marie; Olsen, Are; Ninnemann, Ulysses S et al. (2017). Global ocean climatology of the 13C suess effect and preindustrial δ13C. (external link)
- Ninnemann, Ulysses S; Mjell, Tor Lien; Kleiven, Helga Flesche et al. (2016). Natural variability in Nordic Seas overflows: Toward a mechanistic understanding of proxy records. (external link)
- Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Irvali, Nil et al. (2015). Deep Atlantic circulation during the last interglacial period. (external link)
- Irvali, Nil; Ninnemann, Ulysses S; Kleiven, Helga Flesche et al. (2015). Subpolar gyre changes from the penultimate glaciation to glacial inception and their relationship to Nordic Seas exchanges. (external link)
- Kleiven, Helga Flesche; Irvali, Nil; Rosenthal, Yair et al. (2015). Multiproxy evidence for Climate and North Atlantic Deep Water variability spanning the last two millennia. (external link)
- Kleiven, Helga Flesche; Irvali, Nil; Rosenthal, Yair et al. (2015). Nordic Seas Overflows and Climate Variability Trough the Holocene. (external link)
- Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Irvali, Nil et al. (2014). Rapid reductions in North Atlantic Deep Water during the last interglacial period. (external link)
- Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Irvali, Nil et al. (2014). North Atlantic Deep Water variability during the last two interglacial periods. (external link)
- Kleiven, Helga Flesche; Ninnemann, Ulysses S (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)
- Zhang, Zhongshi; Nisancioglu, Kerim Hestnes; Ninnemann, Ulysses S (2014). Increased ventilation of Antarctic deep water during the warm mid-Pliocene. (external link)
- Eide, Marie; Olsen, Are; Ninnemann, Ulysses S et al. (2014). Natural δ13C distributions in the global ocean. (external link)
- Eide, Marie; Olsen, Are; Ninnemann, Ulysses S et al. (2014). Global ocean 13C Suess effect and uptake of anthropogenic CO2. (external link)
- Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche 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)
- Irvali, Nil; Ninnemann, Ulysses S; Galaasen, Eirik Vinje et al. (2013). Rapid switches in subpolar North Atlantic hydrography and climate during the Last Interglacial (MIS 5e). (external link)
- Ninnemann, Ulysses S; Galaasen, Eirik Vinje; Irvali, Nil et al. (2012). Reductions in North Atlantic Deep Water in a warmer climate—lessons from the last interglacial. (external link)
- Ninnemann, Ulysses S; Galaasen, Eirik Vinje; Irvali, Nil 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)
- Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche et al. (2012). Variability in ISOW Vigor Over the Last two Millennia and its Relationship to Climate. (external link)
- Ninnemann, Ulysses S; Galaasen, Eirik Vinje; Irvali, Nil et al. (2012). 8.2 kyr-like deep ocean circulation changes during the last interglacial. (external link)
- Ninnemann, Ulysses S; Kleiven, Helga Flesche; Mjell, Tor Lien et al. (2012). Nordic Seas overflows—the last two millennia. (external link)
- Ninnemann, Ulysses S; Galaasen, Eirik Vinje (2012). Large reductions in North Atlantic Deep Water in a warmer climate—Lessons from the last interglacial. (external link)
- Kleiven, Helga Flesche; Rosenthal, Y.; Ninnemann, Ulysses S (2012). Climate and North Atlantic Deep Water since 600 AD. (external link)
- Lohmann, K; Langehaug, Helene R.; Mignot, J. 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)
- Kolstø, S.; Kleiven, Helga Flesche; Ninnemann, Ulysses S (2012). North Atlantic climate and deep water variability over the last 1300 years. (external link)
- Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche et al. (2012). Variability in ISOW vigor over the last two millennia and its relationship to climate. (external link)
- Irvali, Nil; Ninnemann, Ulysses S; Galaasen, Eirik Vinje 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)
- Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche et al. (2011). Variability in ISOW vigor over the last two millennia and its relationship to climate. (external link)
- Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche et al. (2011). Variability in ISOW vigor over the last two Millennia and its relationship to climate. (external link)
- Irvali, Nil; Ninnemann, Ulysses S; Galaasen, Eirik Vinje 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)
- Risebrobakken, Bjørg; Li, Camille; Andersson, Carin et al. (2011). DYNAWARM: Dynamics of Past Warm Climates. (external link)
- Finsnes, C.; Ninnemann, Ulysses S (2011). Links between the Antarctic Circumpolar Current, intermediate ocean ventilation, and deglacial CO2 changes. (external link)
- Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche et al. (2011). Variability in ISOW vigor over the last two millennia and its relationship to climate. (external link)
- Ninnemann, Ulysses S (2011). PALEODRAKE-climate at the gateway. (external link)
- Kleiven, Helga Flesche; Rosenthal, Y.; Ninnemann, Ulysses S (2011). Climate and North Atlantic Deep Water variability since 600 AD. (external link)
- Kleiven, Helga Flesche; Rosenthal, Yair; Ninnemann, Ulysses S (2011). North Atlantic climate and deep water variability since 600 AD. (external link)
- Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Irvali, Nil et al. (2011). Rapid centennial scale reductions in North Atlantic Deep Water during the peak of the last interglacial period. (external link)
- Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Irvali, Nil et al. (2011). Rapid centennial scale reductions in North Atlantic Deep Water during the peak of the last interglacial period. (external link)
- Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Irvali, Nil et al. (2011). Rapid centennial scale reductions in North Atlantic Deep Water during the peak of the last interglacial period. (external link)
- Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Irvali, Nil et al. (2011). Rapid centennial scale reductions in North Atlantic Deep Water during the peak of the last interglacial period. (external link)
- Olsen, Are ; Ninnemann, Ulysses S (2011). Preindustrial NorthAtlantic {delta}13C distribution reconstructed. (external link)
- Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche et al. (2011). Variability in ISOW Vigor Over the Last two Millennia and its Relationship to Climate. (external link)
- Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche et al. (2011). Variability in ISOW Vigor Over the Last two Millennia and its Relationship to Climate. (external link)
- Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche et al. (2011). Variability in ISOW Vigor Over the Last two Millennia and its Relationship to Climate. (external link)
- Ninnemann, Ulysses S; Paasche, Øyvind; Bakke, Jostein et al. (2010). Paleoceanographic and climatic variability on decadal to millennial timescales across the Drake Passage (PALEODRAKE)-project update. (external link)
- Risebrobakken, Bjørg; Andersson, Carin ; Born, Andreas et al. (2010). RG 1 Past warm climate. (external link)
- Kleiven, Helga Flesche; Rosenthal, Yair; Ninnemann, Ulysses S (2010). Climate and North Atlantic Deep Water variability since 600 AD. (external link)
- Ninnemann, Ulysses S (2010). Southern ocean natural variability and its connection to global climate-ocean changes on multi-decadal to millennial timescales. (external link)
- Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Kleiven, Helga Flesche (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)
- Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Kleiven, Helga Flesche (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)
- Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche et al. (2010). Decadal-Millennial Scale Variability in the Nordic Seas overflows and their relationship to climate during the Holocene. (external link)
- Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche et al. (2010). Decadal-Millennial Scale Variability in the Nordic Seas overflows and their relationship to climate during the Holocene. (external link)
- Ninnemann, Ulysses S; Paasche, Øyvind; Bakke, Jostein et al. (2010). Paleoceanographic and climatic variability on decadal to millennial timescales across the Drake Passage (PALEODRAKE)—project update (INVITED. (external link)
- Caniupan, M.; Lamy, F.; Lange, C. et al. (2010). Sea surface temperature and marine productivity changes at Southern South America (53°S) over the past 52 kyr BP. (external link)
- Ninnemann, Ulysses S; Kleiven, Helga Flesche (2010). Rapid surface and intermediate ocean variability in the Southeast Pacific since the Last Glacial Maximum. (external link)
- Ninnemann, Ulysses S; Kleiven, Helga Flesche; Galaasen, E. (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)
- Kleiven, Helga Flesche; Johansen, I.V.; Ninnemann, Ulysses S (2009). North Atlantic climate and deep water variability since 600 AD. (external link)
- Euler, Christine; Ninnemann, Ulysses S; Kleiven, Helga Flesche (2009). Multi-decadal to centennial scale variability of South Pacific surface water properties – a comparison between Holocene and Last Glacial Maximum. (external link)
- Kleiven, Helga Flesche; Jansen, Eystein; Ninnemann, Ulysses S et al. (2009). 10 000 years of climate behavior as a guide to future climate misbehavior. (external link)
- Kleiven, Helga Flesche; Ninnemann, Ulysses S (2009). Climate and North Atlantic Deep Water variability since 600 AD: Multiproxy Evidence From the Eirik Drift. (external link)
- Ninnemann, Ulysses S; Galaasen, Eirik Vinje; Kleiven, Helga Flesche (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)
- Ninnemann, Ulysses S; Galaasen, E.V.; Kleiven, H.F. (2009). The Origin of Rapid Changes in Circumpolar Deep Water Chemistry During the Peak of the Penultimate Interglacial. (external link)
- Kleiven, Helga Flesche; Jansen, Eystein; Ninnemann, Ulysses S et al. (2009). Holocene climate variability: response to natural and man-made forcing in data and models. (external link)
- Kleiven, Helga Flesche; Ninnemann, Ulysses S (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)
- Ninnemann, Ulysses S (2008). Changes in Southern Hemisphere Surface, Intermediate, and Deep Water as Constraints on the Origin of the Younger Dryas. (external link)
- Kleiven, Helga Flesche; Ninnemann, Ulysses S; Jansen, Eystein (2008). New constraints on North Atlantic Meridonal Overturning Circulation during the Holocene and the last interglacial. (external link)
- Ninnemann, Ulysses S (2008). Glacial to Interglacial Changes in Southern Ocean Water Mass Geometry, the ACC, and the Southern Westerlies at Drake Passage. (external link)
- Geffen, Audrey; Høie, Hans ; Folkvord, Arild et al. (2007). High Latitude Climate Variability and Its Effect on Fishery Resources As Revealed by Fossil Otoliths. (external link)
- Dokken, Trond Martin; Ninnemann, Ulysses S (2007). On the evidence linking ocean circulation to (rapid) climate change. (external link)
- Kleiven, Helga Flesche; Ninnemann, Ulysses S; Førde, A-E (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)
- Lamy, F.; Kaiser, J.; Arz, H.W. et al. (2007). Modulation of the bipolar seesaw in the Southeast Pacific during Termination 1. (external link)
- Ninnemann, Ulysses S; Kleiven, Helga Flesche; Euler, Christine et al. (2007). Changes in AAIW properties and their role in decadal to millennial scale climate change. (external link)
- Kleiven, Helga Flesche; Ninnemann, Ulysses S; Førde, A.-E. (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)
- Førde, A.-E.; Kleiven, Helga Flesche; Ninnemann, Ulysses S (2007). Decadal Scale Variability in sub Antarctic Surface and Intermediate Water Properties Across the Laschamp Geomagnetic Excursion at ODP Site 1233. (external link)
- Euler, Christine; Marchitto, T.M.; Kleiven, Helga Flesche 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)
- Brown, L; Austin, W; Telford, R.J. et al. (2006). North Atlantic surface ocean radiocarbon reservoir age variation: links to rapid global climate change. (external link)
- Olsen, Are ; Omar, Abdirahman; Bellerby, Richard et al. (2006). Carbon changes in the high latitude North Atlantic. (external link)
- Ninnemann, Ulysses S; Kleiven, Helga Flesche; Euler, Christine (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)
- Kozakiewicz, D; Malmgren, B.A.; Ninnemann, Ulysses S et al. (2006). Paleoclimate changes through the last 67,000 years in the northeastern Caribbean derived from planktonic foraminifera. (external link)
- Kaiser, J; Lamy, F.; De Pol-Holz, R et al. (2006). Patagonian Ice Sheet melting over the last deglaciation and possible impact on the oceanic circulation off Chile. (external link)
- Lobegeier, M; Lange, C; Ninnemann, Ulysses S (2006). Benthic foraminifera as proxies for climate and oceanographic changes in the Holocene off southern Chile. (external link)
- Schulz, K.G.; Riebesell, U; Neill, C et al. (2006). Carbon fluxes within a natural plankton assemblage during the PeECE III SCO2 enrichment study. (external link)
- Ninnemann, Ulysses S; Kleiven, Helga Flesche; Euler, Christine (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)
- Ninnemann, Ulysses S; Nyland, Birgitte Friestad; Risebrobakken, Bjørg (2005). Rapid climate changes: causal connections. (external link)
- Lynch-Stieglitz, J; Curry, William B.; Oppo, DW et al. (2005). Meridional Overturning Circulation in the Sout Atlantic at the Last Glacial Maximum. (external link)
- Ninnemann, Ulysses S; Kleiven, Helga Flesche; Euler, Christine et al. (2005). Centennial-millennial scale coupling between Pacific surface and intermediate water bariability over the last 30 kyr (solicited). (external link)
- Kleiven, Helga Flesche; Kissel, C; Laj, C 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)
- Ninnemann, Ulysses S; Kleiven, Helga Flesche; Lamy, Frank (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)
- Dokken, Trond Martin; Ninnemann, Ulysses S; Kleiven, Helga Flesche et al. (2003). Evidence for rapid reorganisations in thermohaline circulation from paleorecords in the Atlantic Ocean: A review. (external link)
Report
Website (informational material)
Interview
- Zhang, Zhongshi; Nisancioglu, Kerim Hestnes; Ninnemann, Ulysses S (2013). Circulation changes in a warmer ocean. (external link)
- Svendsen, John-Inge; Ninnemann, Ulysses S; Tjiputra, Jerry et al. (2013). Flott NORKLIMA-uttelling for UiB og GEO!. (external link)
- Kleiven, Helga Flesche; Ninnemann, Ulysses S (2012). En amerikansk drøm. (external link)
- Ninnemann, Ulysses S (2011). Verdens største havstrøm. (external link)
- Olsen, Are ; Ninnemann, Ulysses S (2010). UiB-forskere bedrer fortidsvarsel. (external link)
- Olsen, Are ; Ninnemann, Ulysses S (2010). Ny metode revolusjonerer tolking av fortidens havklima. (external link)
- Jansen, Eystein; Flatøy, Frode; Ninnemann, Ulysses S et al. (2009). Norsk klimavarsling kan bli svekket. (external link)
Academic chapter/article/Conference paper
Popular scientific lecture
Reader opinion piece
Projects
SNACS, THRESHOLDS, ORGANIC, FARLAB, BIGCHANGE, MEDEVAC