Ulysses Silas Ninnemann
- E-mailUlysses.Ninnemann@uib.no
- Phone+47 55 58 35 21
- Visitor AddressAllégaten 41Realfagbygget5007 BergenRoom3G17a - 3135
- Postal AddressPostboks 78035020 Bergen
Paleoclimatology GEOV 222
Paleoceanography GEOV 331
Marine Geology lab and field course GEOV 231
The Geochemical Toolbox GEOV 342
Academic article
- (2023). Sea ice variability in the North Atlantic subpolar gyre throughout the last interglacial. Quaternary Science Reviews. 17 pages.
- (2022). Temperature exposure in cod driven by changes in abundance. Canadian Journal of Fisheries and Aquatic Sciences. 587-600.
- (2022). Reorganization of Atlantic Waters at sub-polar latitudes linked to deep-water overflow in both glacial and interglacial climate states. Climate of the Past. 989-1009.
- (2021). Seasonal sea ice persisted through the Holocene Thermal Maximum at 80°N. Communications Earth & Environment.
- (2021). Hydrographic shifts south of Australia over the last deglaciation and possible interhemispheric linkages. Quaternary Research. 130-141.
- (2021). Evaluating the biological pump efficiency of the Last Glacial Maximum ocean using d13C. Climate of the Past. 753-774.
- (2020). Stable oxygen isotope reconstruction of temperature exposure of the Icelandic cod (Gadus morhua) stock over the last 100 years. ICES Journal of Marine Science. 942-952.
- (2020). Interglacial instability of North Atlantic Deep Water ventilation. Science. 1485-1489.
- (2020). Dynamics of spontaneous (multi) centennial‐scale variations of the Atlantic meridional overturning circulation strength during the last interglacial. Paleoceanography and Paleoclimatology.
- (2020). Atlantic Meridional Overturning Circulation and δ13C Variability During the Last Interglacial. Paleoceanography and Paleoclimatology.
- (2020). A low climate threshold for south Greenland Ice Sheet demise during the Late Pleistocene. Proceedings of the National Academy of Sciences of the United States of America. 190-195.
- (2019). Asynchronous Antarctic and Greenland ice-volume contributions to the last interglacial sea-level highstand. Nature Communications.
- (2019). An international intercomparison of stable carbon isotope composition measurements of dissolved inorganic carbon in seawater. Limnology and Oceanography : Methods. 200-209.
- (2018). Ocean carbon inventory under warmer climate conditions – the case of the Last Interglacial. Climate of the Past. 1961-1976.
- (2018). Moving beyond the age-depth model paradigm in deep-sea palaeoclimate archives: Dual radiocarbon and stable isotope analysis on single foraminifera. Climate of the Past. 515-526.
- (2017). Environmental Controls on Mg/Ca in Neogloboquadrina incompta: A Core-Top Study From the Subpolar North Atlantic. Geochemistry Geophysics Geosystems. 4276-4298.
- (2017). A global ocean climatology of preindustrial and modern ocean δ13C. Global Biogeochemical Cycles. 515-534.
- (2017). A global estimate of the full oceanic 13C Suess effect since the preindustrial. Global Biogeochemical Cycles. 492-514.
- (2016). Pacific-Atlantic Circumpolar Deep Water coupling during the last 500 ka. Paleoceanography. 639-650.
- (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. Journal of Sedimentary Research. 637-667.
- (2016). On the reconstruction of ocean circulation and climate based on the "Gardar Drift". Paleoceanography. 399-415.
- (2016). Multidecadal changes in Iceland Scotland Overflow Water vigor over the last 600 years and its relationship to climate. Geophysical Research Letters. 2111-2117.
- (2016). Evidence for regional cooling, frontal advances, and East Greenland Ice Sheet changes during the demise of the last interglacial. Quaternary Science Reviews. 184-199.
- (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. Climate of the Past. 203-216.
- (2015). The southern glacial maximum 65,000 years ago and its unfinished termination. Quaternary Science Reviews. 52-60.
- (2015). Holocene multidecadal- to millennial-scale variations in Iceland-Scotland overflow and their relationship to climate. Paleoceanography. 558-569.
- (2015). Deep Atlantic variability during the last interglacial period. Past Global Changes Magazine. 20-21.
- (2014). Rapid reductions in North Atlantic Deep Water during the peak of the last Interglacial period. Science. 1129-1132.
- (2013). Increased ventilation of Antarctic deep water during the warm mid-Pliocene. Nature Communications. 6 pages.
- (2013). Deglacial-Holocene environmental changes at the Pacific entrance of the Strait of Magellan. Palaeogeography, Palaeoclimatology, Palaeoecology. 125-135.
- (2012). Rapid switches in subpolar North Atlantic hydrography and climate during the Last Interglacial (MIS 5e). Paleoceanography. 16 pages.
- (2011). North Atlantic reservoir ages linked to high Younger Dryas atmospheric radiocarbon concentrations. Global and Planetary Change. 226-233.
- (2011). High-latitude climate variability and its effect on fisheries resources as revealed by fossil cod otoliths. ICES Journal of Marine Science. 1081-1089.
- (2010). Seasonality of human site occupation based on stable oxygen isotope ratios of cod otoliths. Journal of Archaeological Science. 78-83.
- (2010). Millennial scale evolution of the Southern Ocean chemical divide. Quaternary Science Reviews. 399-409.
- (2010). Large delta C-13 Gradients in the Preindustrial North Atlantic Revealed. Science. 658-659.
- (2010). Climate and Antarctic intermediate water coupling during the late Holocene. Geology. 647-650.
- (2009). Surface and sub-surface seawater temperature reconstruction using Mg/Ca microanalysis of planktonic foraminifera Globigerinoides ruber, Globigerinoides sacculifer and Pulleniatina obliquiloculata. Paleoceanography.
- (2009). Otolith O and C Stable Isotope Compositions of Southern Bluefin Tuna Thunnus maccoyii (Pisces: Scombridae) as Possible Environmental and Physiological Indicators. Zoological Studies. 71-82.
- (2009). Controls on delta O-18 and delta C-13 profiles within the aragonite bivalve Arctica islandica. The Holocene. 549-558.
- (2009). Controls on delta 18-O and 13-C profiles within the aragonite bivalve Arctica islandica. The Holocene. 549-558.
- (2008). U.S., Environmental influences on the recruitment process inferred from otolith stable isotopes in Merluccius merluccius off the Balearic Islands. Aquatic Biology. 195-207.
- (2008). Reduced North Atlantic Deep Water coeval with the glacial Lake Agassiz freshwater outburst. Science. 60-64.
- (2008). Environmental influences on the recruitment process inferred from otolith stable isotopes in Merluccius merluccius off the Balearic Islands. Aquatic Biology. 195-207.
- (2007). Modulation of the bipolar seesaw in the southeast pacific during Termination 1. Earth and Planetary Science Letters. 400-413.
- (2006). Meridional overturning circulation in the South Atlantic at the last glacial maximum,. Geochemistry Geophysics Geosystems.
- (2006). Magnitude and origin of the anthroopogenic CO2 increase and 13C Suess effect in the Nordic seas since 1981. Global Biogeochemical Cycles.
- (2005). Bjerknes Centre for Climate Research - combining past, present and future climate change. Norsk Geologisk Tidsskrift. 33-44.
- (2004). The oxygen isotopic composition and temperature of Southern Ocean bottom waters during the last glacial maximum. Earth and Planetary Science Letters. 275-283.
- (2004). Antarctic timing of surface water changes off Chile and Patagonian ice sheet response. Science. 1959-1962.
- (2002). Changes in the mode of Southern Ocean circulation over the last glacial cycle revealed by foraminiferal stale isotopic variability. Earth and Planetary Science Letters. 383-396.
Lecture
- (2015). Climate and Antartic Intermediate Water Covariations on Centennial-Millennial Timescales during MIS3--Constraining the Role of the "Oceanic Tunnell" in Abrupt Climate Change.
Popular scientific lecture
- (2009). "The Southern Ocean and Global Overturning Circulation, theory and paleo constraints".
Academic lecture
- (2022). Reconstructing natural variability of Atlantic Water inflow through the Holocene .
- (2022). Paleoceanographic conditions within the Corinth rift basin during the last interglacial (MIS 5e).
- (2022). Nuanced responses of seasonal sea ice to a warmer Arctic climate during the Holocene Thermal Maximum.
- (2022). Labrador Sea paleoceanography and paleodiversity across the Last Interglacial.
- (2022). Climate thresholds for south Greenland Ice Sheet demise: lessons from late Pleistocene interglacials .
- (2021). The Last Interglacial in the Labrador Sea: a sedimentary ancient DNA investigation.
- (2021). Seasonal sea ice persisted at 80°N during past warmer-than-present conditions .
- (2021). Reconstructing natural variability of Atlantic Water inflow through the Holocene.
- (2021). Last Interglacial sea ice variability and paleoceanography of the Labrador Sea.
- (2021). AMOC instability during the Last Inerglacial.
- (2021). A century of otolith-derived temperature exposure of Icelandic and Norwegian cod (Gadus morhua) .
- (2019). Variability in ocean ventilation during recent interglacial periods.
- (2019). Variability in North Atlantic Deep Water Ventilation During Late Pleistocene Interglacials.
- (2019). Ocean carbon inventory under warmer climate conditions – the case of the Last Interglacial .
- (2019). East Greenland Ice Sheet variability and thresholds through late Pleistocene interglacials .
- (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.
- (2018). North Atlantic Deep Water reductions a persistent feature of the last five interglacial periods.
- (2018). East Greenland Ice Sheet variability and thresholds through late Pleistocene interglacials .
- (2017). Resolving the phasing and forcing dynamics between North Atlantic climate and deep ocean circulation changes .
- (2017). Global ocean climatology of the 13C suess effect and preindustrial δ13C.
- (2016). Natural variability in Nordic Seas overflows: Toward a mechanistic understanding of proxy records.
- (2015). Subpolar gyre changes from the penultimate glaciation to glacial inception and their relationship to Nordic Seas exchanges.
- (2015). Nordic Seas Overflows and Climate Variability Trough the Holocene.
- (2015). Multiproxy evidence for Climate and North Atlantic Deep Water variability spanning the last two millennia.
- (2015). Deep Atlantic circulation during the last interglacial period.
- (2014). Rapid reductions in North Atlantic Deep Water during the last interglacial period.
- (2014). North Atlantic Deep Water variability during the last two interglacial periods.
- (2014). Natural δ13C distributions in the global ocean.
- (2014). Increased ventilation of Antarctic deep water during the warm mid-Pliocene.
- (2014). Global ocean 13C Suess effect and uptake of anthropogenic CO2.
- (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.
- (2013). Variability in the vigor of the eastern branch of the Nordic Seas overflows during the last two millennia and its relationship to climate.
- (2013). Rapid switches in subpolar North Atlantic hydrography and climate during the Last Interglacial (MIS 5e).
- (2012). Variability in ISOW vigor over the last two millennia and its relationship to climate.
- (2012). Variability in ISOW Vigor Over the Last two Millennia and its Relationship to Climate.
- (2012). Reductions in North Atlantic Deep Water in a warmer climate—lessons from the last interglacial.
- (2012). Rapid reductions in North Atlantic Deep Water during the last interglacial period and their relationship to Greenland Ice Sheet variability.
- (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".
- (2012). North Atlantic climate and deep water variability over the last 1300 years.
- (2012). Nordic Seas overflows—the last two millennia.
- (2012). Large reductions in North Atlantic Deep Water in a warmer climate—Lessons from the last interglacial.
- (2012). Climate and North Atlantic Deep Water since 600 AD.
- (2012). 8.2 kyr-like deep ocean circulation changes during the last interglacial.
- (2011). Variability in ISOW vigor over the last two millennia and its relationship to climate.
- (2011). Variability in ISOW vigor over the last two millennia and its relationship to climate.
- (2011). Variability in ISOW vigor over the last two Millennia and its relationship to climate.
- (2011). Variability in ISOW Vigor Over the Last two Millennia and its Relationship to Climate.
- (2011). Variability in ISOW Vigor Over the Last two Millennia and its Relationship to Climate.
- (2011). Variability in ISOW Vigor Over the Last two Millennia and its Relationship to Climate.
- (2011). Rapid centennial scale reductions in North Atlantic Deep Water during the peak of the last interglacial period.
- (2011). Rapid centennial scale reductions in North Atlantic Deep Water during the peak of the last interglacial period.
- (2011). Rapid centennial scale reductions in North Atlantic Deep Water during the peak of the last interglacial period.
- (2011). Rapid centennial scale reductions in North Atlantic Deep Water during the peak of the last interglacial period.
- (2011). Preindustrial NorthAtlantic {delta}13C distribution reconstructed.
- (2011). PALEODRAKE-climate at the gateway.
- (2011). North Atlantic climate and deep water variability since 600 AD.
- (2011). Links between the Antarctic Circumpolar Current, intermediate ocean ventilation, and deglacial CO2 changes.
- (2011). DYNAWARM: Dynamics of Past Warm Climates.
- (2011). Climate and North Atlantic Deep Water variability since 600 AD.
- (2011). Abrupt changes in North Atlantic climate and hydrography and their relationship to Greenland Ice Sheet variability during the penultimate interglacial (MIS 5e).
- (2011). Abrupt changes in North Atlantic climate and hydrography and their relationship to Greenaldn ice sheet variability during the penultimate interglacial (MIS 5e).
- (2010). Southern ocean natural variability and its connection to global climate-ocean changes on multi-decadal to millennial timescales.
- (2010). Sea surface temperature and marine productivity changes at Southern South America (53°S) over the past 52 kyr BP.
- (2010). Rapid surface and intermediate ocean variability in the Southeast Pacific since the Last Glacial Maximum.
- (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.
- (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.
- (2010). RG 1 Past warm climate.
- (2010). Paleoceanographic and climatic variability on decadal to millennial timescales across the Drake Passage (PALEODRAKE)—project update (INVITED.
- (2010). Paleoceanographic and climatic variability on decadal to millennial timescales across the Drake Passage (PALEODRAKE)-project update.
- (2010). Decadal-Millennial Scale Variability in the Nordic Seas overflows and their relationship to climate during the Holocene.
- (2010). Decadal-Millennial Scale Variability in the Nordic Seas overflows and their relationship to climate during the Holocene.
- (2010). Climate and North Atlantic Deep Water variability since 600 AD.
- (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.
- (2009). The Origin of Rapid Changes in Circumpolar Deep Water Chemistry During the Peak of the Penultimate Interglacial.
- (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.
- (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.
- (2009). North Atlantic climate and deep water variability since 600 AD.
- (2009). Multi-decadal to centennial scale variability of South Pacific surface water properties – a comparison between Holocene and Last Glacial Maximum.
- (2009). Holocene climate variability: response to natural and man-made forcing in data and models.
- (2009). Climate and North Atlantic Deep Water variability since 600 AD: Multiproxy Evidence From the Eirik Drift.
- (2009). 10 000 years of climate behavior as a guide to future climate misbehavior.
- (2008). New constraints on North Atlantic Meridonal Overturning Circulation during the Holocene and the last interglacial.
- (2008). Glacial to Interglacial Changes in Southern Ocean Water Mass Geometry, the ACC, and the Southern Westerlies at Drake Passage.
- (2008). Changes in Southern Hemisphere Surface, Intermediate, and Deep Water as Constraints on the Origin of the Younger Dryas.
- (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.
- (2007). Southern Ocean Multi-Decadally Resolved Sea Surface and Intemediate Water Multi Proxy Reconstructions Spanning the A2 Antarctic Warm Event at ODP Site 1233.
- (2007). On the evidence linking ocean circulation to (rapid) climate change.
- (2007). Modulation of the bipolar seesaw in the Southeast Pacific during Termination 1.
- (2007). High Latitude Climate Variability and Its Effect on Fishery Resources As Revealed by Fossil Otoliths.
- (2007). Decadal Scale Variability in sub Antarctic Surface and Intermediate Water Properties Across the Laschamp Geomagnetic Excursion at ODP Site 1233.
- (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.
- (2007). Changes in AAIW properties and their role in decadal to millennial scale climate change.
- (2006). Patagonian Ice Sheet melting over the last deglaciation and possible impact on the oceanic circulation off Chile.
- (2006). Paleoclimate changes through the last 67,000 years in the northeastern Caribbean derived from planktonic foraminifera.
- (2006). North Atlantic surface ocean radiocarbon reservoir age variation: links to rapid global climate change.
- (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.
- (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.
- (2006). Carbon fluxes within a natural plankton assemblage during the PeECE III SCO2 enrichment study.
- (2006). Carbon changes in the high latitude North Atlantic.
- (2006). Benthic foraminifera as proxies for climate and oceanographic changes in the Holocene off southern Chile.
- (2005). Rapid climate changes: causal connections.
- (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.
- (2005). Meridional Overturning Circulation in the Sout Atlantic at the Last Glacial Maximum.
- (2005). Centennial-millennial scale coupling between Pacific surface and intermediate water bariability over the last 30 kyr (solicited).
- (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.
- (2003). Evidence for rapid reorganisations in thermohaline circulation from paleorecords in the Atlantic Ocean: A review.
Interview
- (2013). Flott NORKLIMA-uttelling for UiB og GEO!
- (2013). Circulation changes in a warmer ocean.
- (2012). En amerikansk drøm.
- (2011). Verdens største havstrøm.
- (2010). UiB-forskere bedrer fortidsvarsel.
- (2010). Ny metode revolusjonerer tolking av fortidens havklima.
- (2009). Norsk klimavarsling kan bli svekket.
Documentary
- (2018). Veiing av atomer i Arktis. Blogg: Arven etter Nansen.
Academic chapter/article/Conference paper
- (2011). Hvordan kan klimaendringer forandre verdens største hvastrøm? 3 pages.
Poster
- (2017). Centennial-millennial scale variations in Western Antarctic Ice Sheet discharge and their relationship to climate and ocean changes during the late Holocene.
- (2017). Assessing linkages between ice sheet calving, subpolar gyre density and deep water ventilation during the last glaciation .
- (2016). Centennial- to millennial-scale evolution of lower North Atlantic Deep Water ventilation during MIS 5e.
- (2014). The global ocean 13C Suess effect and uptake of anthropogenic CO2.
- (2014). Ocean Drilling Program (ODP) Site 1233, SE Pacific Ocean: paleoclimatic reconstructions over Antarctic warming event 1.
- (2013). Natural δ13C distributions in the Global Ocean.
- (2010). Ventilation of Intermediate Waters Along the Southern Chile Margin During the Last Deglaciation.
- (2010). Rapid Centennial Scale Reductions in North Atlantic Deep Water During the Peak of the Last Interglacial Period.
- (2010). Climate and North Atlantic Deep Water variability since 600 AD.
- (2009). The Relationship between North Atlantic Deep Water (NADW), climate and the Greenland Ice Sheet during the Penultimate Interglacial (MIS 5e).
- (2008). Variability in ISOW Vigor Over the Last Millennium and its Relationship to Climate.
- (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.
- (2008). Pacific high resolution multi proxy study from ODP site 1233 during the Antarctic Isotope Maximum AIM 12.
- (2008). Decadal to centennial scale extratropical climate variability in the Southeast Pacific- mid versus late Holocene.
- (2008). Atlantic Meridional Overturning Circulation since 800 AD and its link to surface climate variability.
- (2008). A Possible Record of the Laschamp Excursion From High Sedimentation Rate Sediments in the Southern Hemisphere.
- (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.
- (2007). Modulation of the Bipolar Seesaw in the Southeast Pacific During Termination 1.
- (2007). Decadal to centennial scale variability in sub Antarctic surface and intermediate water properties during the mid Holocene.
- (2007). Coupling between Pacific surface and intermediate water properties during the late Holocene inferred from decadally resolved foram isotope records.
- (2006). Mesolithic seasonal sea temperatures revealed from stable isotope analysis of cod otoliths.
- (2006). Mesolithic seasonal sea temperatures revealed from stable isotope analysis of cod otoliths.
- (2005). Nordic Seas Anthropogenic CO2 Increase and 13C Suess Effect Over the Last two Decades.
- (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.
- (2004). Bjerknes activity 8: Ocean carbon cycle and biogeochemistry.
- (2003). Ocean-climate variability and ice sheet stability in the Atlantic sector of the Southern Ocean.
- (2003). Ocean-climate variability and ice sheet stability in the Atlantic sector of the Southern Ocean.
- (2003). Glacial/Interglacial Changes in the Subtropical Convergence Zone off Tasmania - Implications from Marine Productivity, Terrigenous Flux and Sea Surface Temperatures (ODP Leg 189).
- (2003). Glacial/Integlacial Changes in the Subtropical Convergence Zone off Tasmania - implications from Marine Productivity, Terrigenois Flux and Sea Surface Temperatyres (ODP Leg 189).
Academic literature review
- (2023). Southern Ocean glacial conditions and their influence on deglacial events. Nature Reviews Earth & Environment.
- (2011). Radiocarbon chronology of the late-glacial Puerto Bandera moraines, southern Patagonian Icefield, Argentina. Quaternary Science Reviews. 2551-2569.
- (2007). Atlantic meridional overturning circulation during the Last Glacial Maximum. Science. 66-69.
More information in national current research information system (CRIStin)
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Fields of competence