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Kikki Flesche Kleiven

Associate Professor
  • E-mailkikki@uib.no
  • Phone+47 55 58 35 35
  • Visitor Address
    Realfagbygget, Allégt. 41
  • Postal Address
    Postboks 7803
    5020 Bergen

Paleoceanography

is the study of the history of the oceans in the geologic past with regard to circulation, chemistry, biology, geology and patterns of sedimentation and biological productivity. Paleoceanographic studies using environment models and different proxies enable the scientific community to assess the role of the oceanic processes in the global climate by the re-construction of past climate at various intervals. Paleoceanographic research is also intimately tied to paleoclimatology.

Historical Geology (Geol/Geov 105) V2005-V2009

Marine Geology (Geol110/Geov108) V2008-H2013

Introduction to Geology (Geov 101) V2013

Geodidatics (GEOVDID 200) V2014

Supervisor on The Norwegian Research School in Climate Dynamics (ResClim)

Lecturer on Bergen Summer Research School (BSRS) 2014

Climatevise and Generation Green climateoutreach 2009-ongoing

Academic article
  • Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Kessler, Augustin; Irvali, Nil; Rosenthal, Yair; Tjiputra, Jerry; Bouttes, Nathaelle; Roche, Didier M.; Kleiven, Helga Flesche; Hodell, David A. 2020. Interglacial instability of North Atlantic Deep Water ventilation. Science. 1485-1489.
  • Irvali, Nil; Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Rosenthal, Yair; Born, Andreas; Kleiven, Helga Flesche. 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.
  • Hasenfratz, Adam P.; Jaccard, Samuel L.; Martínez-García, Alfredo; Sigman, Daniel L.; Hodell, David A.; Vance, Derek; Bernasconi, Stefano M.; Kleiven, Helga Flesche; Haumann, F. Alexander; Haug, Gerald H. 2019. The residence time of Southern Ocean surface waters and the 100,000-year ice age cycle . Science. 1080-1084.
  • Rohling, E.J.; Hibbert, F.D.; Grant, K.M.; Galaasen, Eirik Vinje; Irvali, Nil; Kleiven, Helga Flesche; Marino, G.; Ninnemann, Ulysses S; Roberts, A.P.; Rosenthal, Y.; Schulz, H.; Williams, F.H.; Yu, J. 2019. Asynchronous Antarctic and Greenland ice-volume contributions to the last interglacial sea-level highstand. Nature Communications.
  • Alonso-Garcia, Montserrat; Kleiven, Helga Flesche; McManus, Jerry F.; Moffa-Sanchez, Paola; Broecker, Wallace; Flower, Benjamin P. 2017. Freshening of the Labrador Sea as a trigger for Little Ice Age development. Climate of the Past. 317-331.
  • Morley, Audrey; Balbila, Tali L.; Wright, James; Ninnemann, Ulysses S; Kleiven, Helga Flesche; Irvali, Nil; Rosenthal, Yair. 2017. Environmental Controls on Mg/Ca in Neogloboquadrina incompta: A Core-Top Study From the Subpolar North Atlantic. Geochemistry Geophysics Geosystems. 4276-4298.
  • Langehaug, Helene R.; Mjell, Tor Lien; Otterå, Odd Helge; Eldevik, Tor; Ninnemann, Ulysses S; Kleiven, Helga Flesche. 2016. On the reconstruction of ocean circulation and climate based on the "Gardar Drift". Paleoceanography. 399-415.
  • Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche; Hall, Ian R. 2016. Multidecadal changes in Iceland Scotland Overflow Water vigor over the last 600 years and its relationship to climate. Geophysical Research Letters. 2111-2117.
  • Irvali, Nil; Ninnemann, Ulysses S; Kleiven, Helga Flesche; Galaasen, Eirik Vinje; Morley, Audrey; Rosenthal, Yair. 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.
  • Lohmann, Katja; Mignot, Juliette; Langehaug, Helene R.; Jungclaus, Johann H.; Matei, Daniela; Otterå, Odd Helge; Gao, Yongqi; Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche. 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.
  • Hasenfratz, Adam P.; Martinez-Garcia, Alfredo; Jaccard, Samuel L.; Hodell, David A.; Vance, Derek; Bernasconi, Stefano; Greaves, Mervyn; Kleiven, Helga Flesche; Haug, Gerald H. 2015. Paleoceanographic Evolution of the Atlantic Sector of the Antarctic Southern Ocean across the Mid-Pleistocene Transition. Nova Acta Leopoldina. 297-300.
  • Mjell, Tor Lien; Ninnemann, Ulysses S; Eldevik, Tor; Kleiven, Helga Flesche. 2015. Holocene multidecadal- to millennial-scale variations in Iceland-Scotland overflow and their relationship to climate. Paleoceanography. 558-569.
  • Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Irvali, Nil; Kleiven, Helga Flesche; Kissel, Catherine. 2015. Deep Atlantic variability during the last interglacial period. Past Global Changes Magazine. 20-21.
  • Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Irvali, Nil; Kleiven, Helga Flesche; Rosenthal, Yair; Kissel, Catherine; Hodell, David A. 2014. Rapid reductions in North Atlantic Deep Water during the peak of the last Interglacial period. Science. 1129-1132.
  • Thornalley, David J.R.; Blaschek, Michael; Davies, Frazer J.; Praetorius, Summer K.; Oppo, Delia W.; McManus, Jerry F.; Hall, Ian R.; Kleiven, Helga Flesche; Renssen, Hans; McCave, I. Nicholas. 2013. Long-term variations in Iceland-Scotland overflow strength during the Holocene. Climate of the Past. 2073-2084.
  • Irvali, Nil; Ninnemann, Ulysses S; Galaasen, Eirik Vinje; Rosenthal, Yair; Kroon, Dick; Oppo, Delia W.; Kleiven, Helga Flesche; Darling, Kate F.; Kissel, Catherine. 2012. Rapid switches in subpolar North Atlantic hydrography and climate during the Last Interglacial (MIS 5e). Paleoceanography. 16 pages.
  • Tzedakis, P. Chronis; Channell, James E.T.; Hodell, David A.; Kleiven, Helga Flesche; Skinner, Luke C. 2012. Determining the natural length of the current interglacial. Nature Geoscience. 138-141.
  • Kleiven, Helga Flesche; Hall, Ian R.; McCave, Ian Nicholas; Knorr, Gregor; Jansen, Eystein. 2011. Coupled deep-water flow and climate variability in the middle Pleistocene North Atlantic. Geology. 343-346.
  • Kleiven, Helga Flesche; Kissel, Catherine; Laj, Carlo; Ninnemann, Ulysses S; Richter, Thomas O.; Cortijo, Elsa. 2008. Reduced North Atlantic Deep Water coeval with the glacial Lake Agassiz freshwater outburst. Science. 60-64.
  • Raymo, ME; Oppo, DW; Flower, BP; Hodell, DA; McManus, JF; Venz, KA; Kleiven, Helga Flesche; McIntyre, K. 2004. Stability of North Atlantic water masses in face of pronounced climate variability during the Pleistocene. Paleoceanography. art. no.-PA2008.
  • Kleiven, Helga Flesche; Jansen, Eystein; Fronval, T.; Smith, T.M. 2002. Intensification of Northern Hemisphere glaciations in the circum Atlantic region (3.5-2.4 Ma) ice-rafted detrius evidence. Palaeogeography, Palaeoclimatology, Palaeoecology. 213-223.
  • Channell, James E.T.; Kleiven, Helga Flesche. 2000. Geomagnetic paleointensities and astrochronological ages for the Matuyama-Brunhes boundary and the boundaries of the Jaramillo Subchron: palaeomagnetic and oxygen isotope records from ODP Site 983. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. 1027-1047.
Lecture
  • Kleiven, Helga Flesche. 2016. Tåler vi 2 grader C? Klimaendringer og klimautfordringer.
  • Kleiven, Helga Flesche. 2016. Klimautfordringer og muligheter.
  • Kleiven, Helga Flesche. 2016. Klimastatus 2016.
  • Kleiven, Helga Flesche. 2016. Klimaendringer: utfordringer og muligheter.
  • Kleiven, Helga Flesche. 2016. Klimaendringer: tilpasning og muligheter.
  • Kleiven, Helga Flesche. 2016. Hvordan små skift i den snittlige fordelingen av temperatur kan føre til store endringer i frekvens og intensitet av ekstremhendelser. .
  • Kleiven, Helga Flesche. 2016. Hvordan bli geolog!
  • Kleiven, Helga Flesche. 2016. Hva styrer klima?
  • Kleiven, Helga Flesche. 2016. Hva driver jordens klimaendringer?
  • Kleiven, Helga Flesche. 2016. How to present a research paper.
  • Kleiven, Helga Flesche. 2016. Globale klimautfordringer.
  • Kleiven, Helga Flesche. 2016. Globale klimaendringer: effekter og utfordringer.
  • Kleiven, Helga Flesche. 2016. Globale Klimaendringer.
  • Kleiven, Helga Flesche. 2016. Geologen er på stedet.
  • Kleiven, Helga Flesche. 2015. Status for klimaforskningen.
  • Kleiven, Helga Flesche. 2015. Southern Ocean - Antarctica.
  • Kleiven, Helga Flesche. 2015. På jakt etter Eirik den Raudes badevannstemperatur.
  • Kleiven, Helga Flesche. 2015. Oppdatering fra klimavitenskapen.
  • Kleiven, Helga Flesche. 2015. Klimautviklingen globalt og nasjonalt.
  • Kleiven, Helga Flesche. 2015. Klimautvikling.
  • Kleiven, Helga Flesche. 2015. Klimautfordringer nasjonalt og globalt.
  • Kleiven, Helga Flesche. 2015. Klimautfordringer globalt og nasjonalt.
  • Kleiven, Helga Flesche. 2015. Klimasystemet.
  • Kleiven, Helga Flesche. 2015. Klimastatus og forskningsmetoder.
  • Kleiven, Helga Flesche. 2015. Klimaforskning-hva tåler planeten?
  • Kleiven, Helga Flesche. 2015. Hvorfor er det viktig å gjøre en innsats for klima og miljø?
  • Kleiven, Helga Flesche. 2015. Hva skjer med kloden og klimaet?
  • Kleiven, Helga Flesche. 2015. Hva skjer med klimaet og kloden?
  • Kleiven, Helga Flesche. 2015. Globale og nasjonale klimaendringer - trender og utfordringer.
  • Kleiven, Helga Flesche. 2015. Global klimautvikling.
  • Kleiven, Helga Flesche. 2015. Global klimautvikling.
  • Kleiven, Helga Flesche. 2015. Generasjon Grønn klimakurs.
  • Kleiven, Helga Flesche. 2015. Brems norsk oljeutvinning av hensyn til klima.
  • Kleiven, Helga Flesche. 2014. Siste nytt fra klimaforskningen med spesielt fokus på klimaløsningene og publikasjonen 2°C Ny Energi.
  • Kleiven, Helga Flesche. 2014. Menneskeskapte klimaendringer og løsninger.
  • Kleiven, Helga Flesche. 2014. Klimasystemet.
  • Kleiven, Helga Flesche. 2014. Klimastatus – faglig og politisk. Hvor står vi i dag?
  • Kleiven, Helga Flesche. 2014. Klimaproblemet – hva trengs?
  • Kleiven, Helga Flesche. 2014. Klimaforskning – hva tåler planeten?
  • Kleiven, Helga Flesche. 2014. Klimaendringer og karbonbudsjett.
  • Kleiven, Helga Flesche. 2014. Klimaendringer.
  • Kleiven, Helga Flesche. 2014. Klima – siste nytt fra FNs klimapanel.
  • Kleiven, Helga Flesche. 2014. Hvordan endres klima?
  • Kleiven, Helga Flesche. 2014. Generasjon Grønn klimakurs.
  • Kleiven, Helga Flesche. 2014. Generasjon Grønn klimakurs.
  • Kleiven, Helga Flesche. 2014. Folgefonna bidreg med meir enn til is i drinken! Kan isbreen på Fonna nyttast i global klimaforskning?
  • Kleiven, Helga Flesche. 2014. Eirik den Raudes “badetemperatur” på 1400-talet, kvifor er det spanande?
  • Kleiven, Helga Flesche. 2014. Climate change vulnerability and resilience.
  • Kleiven, Helga Flesche. 2014. Climate change and governance challenges.
  • Kleiven, Helga Flesche. 2013. Siste nytt fra IPCC.
  • Kleiven, Helga Flesche. 2013. Klimastatus 2013.
  • Kleiven, Helga Flesche. 2013. Highlights from IPCC5: How to tell stories about climate facts?
  • Kleiven, Helga Flesche. 2013. Global climate status.
Academic lecture
  • Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Kessler, Augustin; Irvali, Nil; Rosenthal, Yair; Tjiputra, Jerry; Bouttes, Nathaelle; Roche, Didier M.; Kleiven, Helga Flesche; Hodell, David A. 2019. Variability in ocean ventilation during recent interglacial periods.
  • Ninnemann, Ulysses S; Galaasen, Eirik Vinje; Irvali, Nil; Rosenthal, Yair; Kleiven, Helga Flesche; Hodell, David A. 2019. Variability in North Atlantic Deep Water Ventilation During Late Pleistocene Interglacials.
  • Irvali, Nil; Ninnemann, Ulysses S; Galaasen, Eirik Vinje; Rosenthal, Yair; Born, Andreas; Kleiven, Helga Flesche. 2019. East Greenland Ice Sheet variability and thresholds through late Pleistocene interglacials .
  • Galaasen, Eirik Vinje; Irvali, Nil; Ninnemann, Ulysses S; Rosenthal, Yair; Kleiven, Helga Flesche; Hodell, David A. 2018. North Atlantic Deep Water reductions a persistent feature of the last five interglacial periods.
  • Irvali, Nil; Ninnemann, Ulysses S; Galaasen, Eirik Vinje; Rosenthal, Yair; Born, Andreas; Kleiven, Helga Flesche. 2018. East Greenland Ice Sheet variability and thresholds through late Pleistocene interglacials .
  • Irvali, Nil; Ninnemann, Ulysses S; Kleiven, Helga Flesche; Haflidason, Haflidi; Mjell, Tor Lien. 2017. Resolving the phasing and forcing dynamics between North Atlantic climate and deep ocean circulation changes .
  • Kleiven, Helga Flesche. 2017. Havstrømmenes hemmeligheter: på jakt etter Eirik den Raudes badevannstemperatur.
  • Kleiven, Helga Flesche. 2016. Status Global warming: challenges and opportunities.
  • Ninnemann, Ulysses S; Mjell, Tor Lien; Kleiven, Helga Flesche; Langehaug, Helene R.; Eldevik, Tor; Olsen, Are; Eide, Marie; Otterå, Odd Helge; Irvali, Nil; Rosenthal, Yair; Hall, Ian. 2016. Natural variability in Nordic Seas overflows: Toward a mechanistic understanding of proxy records.
  • Kleiven, Helga Flesche. 2016. Klimastatus.
  • Irvali, Nil; Ninnemann, Ulysses S; Kleiven, Helga Flesche; Galaasen, Eirik Vinje; Morley, Audrey; Rosenthal, Yair. 2015. Subpolar gyre changes from the penultimate glaciation to glacial inception and their relationship to Nordic Seas exchanges.
  • Kleiven, Helga Flesche; Irvali, Nil; Rosenthal, Yair; Ninnemann, Ulysses S. 2015. Nordic Seas Overflows and Climate Variability Trough the Holocene.
  • Kleiven, Helga Flesche; Irvali, Nil; Rosenthal, Yair; Ninnemann, Ulysses S. 2015. Multiproxy evidence for Climate and North Atlantic Deep Water variability spanning the last two millennia.
  • Kleiven, Helga Flesche. 2015. Global Climate Changes.
  • Kleiven, Helga Flesche. 2015. Global Climate Challenges.
  • Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Irvali, Nil; Kleiven, Helga Flesche; Kissel, Catherine. 2015. Deep Atlantic circulation during the last interglacial period.
  • Kleiven, Helga Flesche. 2015. Climate Changes.
  • Kleiven, Helga Flesche. 2014. Status for klimavitenskapen.
  • Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Irvali, Nil; Kleiven, Helga Flesche; Rosenthal, Yair; Kissel, Catherine; Hodell, David A. 2014. Rapid reductions in North Atlantic Deep Water during the last interglacial period.
  • Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Irvali, Nil; Kleiven, Helga Flesche. 2014. North Atlantic Deep Water variability during the last two interglacial periods.
  • 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.
  • Kleiven, Helga Flesche. 2014. Abrupt climate change in the Southern Ocean.
  • Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche; Rosenthal, Yair; Hall, Ian, R. 2013. Variability in the vigor of the eastern branch of the Nordic Seas overflows during the last two millennia and its relationship to climate.
  • Kleiven, Helga Flesche. 2013. The ocean’s role in natural climate variability: North Atlantic Deep Water changes since 600 A.D.
  • Irvali, Nil; Ninnemann, Ulysses S; Galaasen, Eirik Vinje; Rosenthal, Yair; Kroon, Dick; Oppo, Delia W.; Kleiven, Helga Flesche; Darling, Kate F.; Kissel, Catherine. 2013. Rapid switches in subpolar North Atlantic hydrography and climate during the Last Interglacial (MIS 5e).
  • Kleiven, Helga Flesche. 2013. Klimasystemet, Global oppvarming og globale og lokale klimaeffekter.
  • Kleiven, Helga Flesche. 2013. Jakten på Eirik den Raudes badevatn-Klimautfordringene frå eit lokalt og globalt perspektiv.
  • Kleiven, Helga Flesche. 2012. What may cause the “Gulf Stream” to fail.
  • Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche; Rosenthal, Y.; Hall, I.R. 2012. Variability in ISOW vigor over the last two millennia and its relationship to climate.
  • Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche; Rosenthal, Yair; Hall, Ian R. 2012. Variability in ISOW Vigor Over the Last two Millennia and its Relationship to Climate.
  • Ninnemann, Ulysses S; Galaasen, Eirik Vinje; Irvali, Nil; Kleiven, Helga Flesche; Rosenthal, Yair; Kissel, Catherine. 2012. Reductions in North Atlantic Deep Water in a warmer climate—lessons from the last interglacial.
  • Ninnemann, Ulysses S; Galaasen, Eirik Vinje; Irvali, Nil; Kleiven, Helga Flesche; Rosenthal, Yair; Kissel, Catherine. 2012. Rapid reductions in North Atlantic Deep Water during the last interglacial period and their relationship to Greenland Ice Sheet variability.
  • Lohmann, K; Langehaug, Helene R.; Mignot, J.; Jungclaus, J.; Otterå, Odd Helge; Ninnemann, Ulysses S; Mjell, Tor Lien; Kleiven, Helga Flesche. 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".
  • Jungclaus, J.; Lohmann, K; Kleiven, Helga Flesche. 2012. North Atlantic climate and ocean circulation variability during the last millennium in paleo reconstructions and simulations.
  • Kolstø, S.; Kleiven, Helga Flesche; Ninnemann, Ulysses S. 2012. North Atlantic climate and deep water variability over the last 1300 years.
  • Ninnemann, Ulysses S; Kleiven, Helga Flesche; Mjell, Tor Lien; Kolsto, Synnove; Irvali, Nil; Rosenthal, Yair; Hall, Ian; Langehaug, Helene R.; Otterå, Odd Helge; Eldevik, Tor. 2012. Nordic Seas overflows—the last two millennia.
  • Kleiven, Helga Flesche. 2012. Multi-proxy evidence for climate and North Atlantic Deep Water variability spanning the mid to late Holocene at the Erik sediment drift.
  • Kleiven, Helga Flesche. 2012. Klimaendringer-klimastatus 2012.
  • Kleiven, Helga Flesche. 2012. Klimaendringer-klimastatus 2012.
  • Alonso-Garcia, M.; Flower, Benjamin P.; Andrews, J. T.; Kleiven, Helga Flesche. 2012. Ice-rafting during the last 1000 yr in the western subpolar North Atlantic and its relationship with other Northern Hemisphere climate proxies.
  • Kleiven, Helga Flesche; Thorleifsson, T; Marino, Sjøvaag M. 2012. Generasjon Grønn lærerkurs.
  • Kleiven, Helga Flesche; Marino, Marit Sjøvaag; Thorleifsson, Tobias. 2012. Generasjon Grønn.
  • Kleiven, Helga Flesche; Thorleifsson, T; Sjøvaag, Marino. 2012. Generasjon Grønn.
  • Kleiven, Helga Flesche; Marino, Marit Sjøvaag; Thorleifsson, Tobias. 2012. Generasjon Grønn.
  • Kleiven, Helga Flesche; Thorleifsson, T; Marino, Sjøvaag M. 2012. Generasjon Grønn.
  • Kleiven, Helga Flesche; Thorleifsson, T; Marino, Sjøvaag M. 2012. Generasjon Grønn.
  • Kleiven, Helga Flesche; Thorleifsson, T; Sjøvaag, Marino. 2012. Generasjon Grønn.
  • Kleiven, Helga Flesche; Marino, Marit Sjøvaag; Thorleifsson, Tobias. 2012. Generasjon Grønn.
  • Kleiven, Helga Flesche; Rosenthal, Y.; Ninnemann, Ulysses S. 2012. Climate and North Atlantic Deep Water since 600 AD.
  • Ninnemann, Ulysses S; Galaasen, Eirik Vinje; Irvali, Nil; Kleiven, Helga Flesche; Rosenthal, Yair; Kissel, Catherine. 2012. 8.2 kyr-like deep ocean circulation changes during the last interglacial.
  • Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche; Rosenthal, Yair; Hall, Ian R. 2011. Variability in ISOW vigor over the last two millennia and its relationship to climate.
  • Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche; Rosenthal, Y.; Hall, I.R. 2011. Variability in ISOW vigor over the last two millennia and its relationship to climate.
  • Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche; Rosenthal, Yair; Hall, Ian, R. 2011. Variability in ISOW vigor over the last two Millennia and its relationship to climate.
  • Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche; Hall, Ian, R. 2011. Variability in ISOW Vigor Over the Last two Millennia and its Relationship to Climate.
  • Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche; Hall, Ian R. 2011. Variability in ISOW Vigor Over the Last two Millennia and its Relationship to Climate.
  • Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche; Hall, Ian R. 2011. Variability in ISOW Vigor Over the Last two Millennia and its Relationship to Climate.
  • Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Irvali, Nil; Kleiven, Helga Flesche. 2011. Rapid centennial scale reductions in North Atlantic Deep Water during the peak of the last interglacial period.
  • Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Irvali, Nil; Kleiven, Helga Flesche. 2011. Rapid centennial scale reductions in North Atlantic Deep Water during the peak of the last interglacial period.
  • Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Irvali, Nil; Kleiven, Helga Flesche. 2011. Rapid centennial scale reductions in North Atlantic Deep Water during the peak of the last interglacial period.
  • Galaasen, Eirik Vinje; Ninnemann, Ulysses S; Irvali, Nil; Kleiven, Helga Flesche. 2011. Rapid centennial scale reductions in North Atlantic Deep Water during the peak of the last interglacial period.
  • Kleiven, Helga Flesche; Stenseth, Nils Christian; Kolmannskog, Vikram Espen Odedra. 2011. Nye fisker, nye folk.
  • Kleiven, Helga Flesche; Rosenthal, Yair; Ninnemann, Ulysses S. 2011. North Atlantic climate and deep water variability since 600 AD.
  • Kleiven, Helga Flesche. 2011. Klimautfordringene sett i et globalt og regional perspektiv.
  • Kleiven, Helga Flesche; Sundström, Stefan; Wendelboe, Matilda. 2011. Idetalkshow om Klima.
  • Kleiven, Helga Flesche. 2011. Havets rolle i naturlig klimavariabilitet -hva skal til for at Golfstømmen stopper?
  • Kleiven, Helga Flesche. 2011. Globale klimautfordringer, hvordan ser de ut? Energi i et klimaperspektiv- utfordringer og muligheter.
  • Risebrobakken, Bjørg; Li, Camille; Andersson, Carin ; Birks, Hilary H; Birks, Harry John Betteley; Esau, Igor; Jansen, Eystein; Jenks, Cathy; Kleiven, Helga Flesche; langebroek, petra; Ninnemann, Ulysses S; Nisancioglu, Kerim Hestnes; Smedsrud, Lars Henrik; Zhang, Zhongshi. 2011. DYNAWARM: Dynamics of Past Warm Climates.
  • Kleiven, Helga Flesche; Rosenthal, Y.; Ninnemann, Ulysses S. 2011. Climate and North Atlantic Deep Water variability since 600 AD.
  • Irvali, Nil; Ninnemann, Ulysses S; Galaasen, Eirik Vinje; Rosenthal, y; Kroon, D.; Oppo, D.W.; Kleiven, Helga Flesche. 2011. Abrupt changes in North Atlantic climate and hydrography and their relationship to Greenland Ice Sheet variability during the penultimate interglacial (MIS 5e).
  • Irvali, Nil; Ninnemann, Ulysses S; Galaasen, Eirik Vinje; Rosenthal, y; Kroon, D.; Oppo, D.W.; Kleiven, Helga Flesche. 2011. Abrupt changes in North Atlantic climate and hydrography and their relationship to Greenaldn ice sheet variability during the penultimate interglacial (MIS 5e).
  • Kleiven, Helga Flesche. 2010. The role of Southern Ocean dynamics in abrupt climate change revealed by decadally resolved records of sub Antarctic surface and intermediate water property changes.
  • Ninnemann, Ulysses S; Kleiven, Helga Flesche. 2010. Rapid surface and intermediate ocean variability in the Southeast Pacific since the Last Glacial Maximum.
  • 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.
  • 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.
  • Risebrobakken, Bjørg; Andersson, Carin ; Born, Andreas; Galaasen, E.V.; Irvali, Nil; Kleiven, Helga Flesche; Ninnemann, Ulysses S; Nisancioglu, Kerim Hestnes; Zhang, Z. 2010. RG 1 Past warm climate.
  • Kleiven, Helga Flesche. 2010. Quaternary ocean-climate changes on decadal-orbital timescales.
  • Ninnemann, Ulysses S; Paasche, Øyvind; Bakke, Jostein; Kleiven, Helga Flesche. 2010. Paleoceanographic and climatic variability on decadal to millennial timescales across the Drake Passage (PALEODRAKE)-project update.
  • Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche; Hall, Ian R. 2010. Decadal-Millennial Scale Variability in the Nordic Seas overflows and their relationship to climate during the Holocene.
  • Mjell, Tor Lien; Ninnemann, Ulysses S; Kleiven, Helga Flesche; Haflidason, Haflidi; Eldevik, Tor. 2010. Decadal-Millennial Scale Variability in the Nordic Seas overflows and their relationship to climate during the Holocene.
  • Kleiven, Helga Flesche; Rosenthal, Yair; Ninnemann, Ulysses S. 2010. Climate and North Atlantic Deep Water variability since 600 AD.
  • 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.
  • Kleiven, Helga Flesche. 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 0-75 000 years.
  • Kleiven, Helga Flesche. 2009. Southern Ocean activity - PaleoDrake.
  • 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.
  • 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.
  • Kleiven, Helga Flesche; Johansen, I.V.; Ninnemann, Ulysses S. 2009. North Atlantic climate and deep water variability since 600 AD.
  • 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.
  • Kleiven, Helga Flesche; Jansen, Eystein; Ninnemann, Ulysses S; Otterå, Odd Helge. 2009. Holocene climate variability: response to natural and man-made forcing in data and models.
  • Kleiven, Helga Flesche; Ninnemann, Ulysses S. 2009. Climate and North Atlantic Deep Water variability since 600 AD: Multiproxy Evidence From the Eirik Drift.
  • Kleiven, Helga Flesche; Jansen, Eystein; Ninnemann, Ulysses S; Otterå, Odd Helge. 2009. 10 000 years of climate behavior as a guide to future climate misbehavior.
  • Kleiven, Helga Flesche. 2008. The SH/SO paleoclimate research and its implication and influence on extratropic to tropical dynamics.
  • Kleiven, Helga Flesche. 2008. The SH/SO paleoclimate research and its implication and influence on extratropic to tropical dynamics.
  • Kleiven, Helga Flesche. 2008. Superlakes, megafloods and rapid climate change.
  • Kleiven, Helga Flesche. 2008. Om raske klimaendringer / fortidsklima.
  • Kleiven, Helga Flesche. 2008. New constraints on North Atlantic Meridonal Overturning Circulation during the Holocene and the last interglacial.
  • Kleiven, Helga Flesche; Ninnemann, Ulysses S; Jansen, Eystein. 2008. New constraints on North Atlantic Meridonal Overturning Circulation during the Holocene and the last interglacial.
  • 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.
  • Euler, Christine; Marchitto, T.M.; Kleiven, Helga Flesche; Ninnemann, Ulysses S. 2007. Southern Ocean Multi-Decadally Resolved Sea Surface and Intemediate Water Multi Proxy Reconstructions Spanning the A2 Antarctic Warm Event at ODP Site 1233.
  • Bjune, Anne Elisabeth; Kleiven, Helga Flesche. 2007. Rapid cooling in the present climate- the 8.2k year event.
  • 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.
  • 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.
  • Ninnemann, Ulysses S; Kleiven, Helga Flesche; Euler, Christine; Lamy, F. 2007. Changes in AAIW properties and their role in decadal to millennial scale climate change.
  • Kleiven, Helga Flesche. 2006. The 8.2 Kyr event: Multi-Proxy Evidence for North Atlantic Deep Water changes coeval with glacial lake Agassiz fresh water outburst.
  • 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.
  • 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.
  • Kleiven, Helga Flesche; Euler, Christine. 2005. Rapid changes in Antarctic Intermediate Water properties coupled to surface ocean and climate on decadal to millennial timescales.
  • Kleiven, Helga Flesche; Kissel, C; Laj, C; Ninnemann, Ulysses S; Richter, T; Cortijo, E. 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.
  • Ninnemann, Ulysses S; Kleiven, Helga Flesche; Euler, Christine; Cassar, R; Lamy, F. 2005. Centennial-millennial scale coupling between Pacific surface and intermediate water bariability over the last 30 kyr (solicited).
  • Kleiven, Helga Flesche. 2004. Variations in the exchange of surface and deep waters between the Norwegian Sea and the North Atlantic through the Holocene.
  • 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.
  • Dokken, Trond Martin; Ninnemann, Ulysses S; Kleiven, Helga Flesche; Jansen, Eystein. 2003. Evidence for rapid reorganisations in thermohaline circulation from paleorecords in the Atlantic Ocean: A review.
  • Kleiven, Helga Flesche; Jansen, Eystein. 2000. Millennial-scale Climate Records Spanning the Early-mid Pleistocene in the Atlantic Sector of the Southern Ocean: new Results from ODP Leg 177.
  • Kleiven, Helga Flesche; Jansen, Eystein. 1998. Coupling between High-Frequency Oscillations in North Atlantic Deep Water Production and Sea Surface Processes During the Mid Pleistocene: Evidence from the North Atlantic.
  • Jansen, Eystein; Fronval, T.; Kleiven, Helga Flesche; Channell, J.E.T.; Ortiz, Joseph; Solheim, A.; Dokken, Trond Martin. 1997. A continuous record of Northern Hemisphere glaciation from ODP Leg 162.
  • Kleiven, Helga Flesche; Jansen, Eystein. 1996. Millenial-scale climate variability changes in the North Atlantic during the Mid-Pleistocene.
Popular scientific article
  • Kleiven, Helga Flesche. 2014. Å se en verden i et sandkorn. Bergens Tidende.
Feature article
  • Hviding, Edvard; Kleiven, Helga Flesche. 2015. Danser om dødsfrykten: klimaskeptikere har dårlige kår på øyene som trues av utslettelse (kronikk). Bergens Tidende. 46-46.
  • Kalvig, Siri M.; Kleiven, Helga Flesche. 2014. Skadelig synsing. Dagbladet.
  • Jansen, Eystein; Kleiven, Helga Flesche. 2014. Kritikk uten fundament. Dagens næringsliv.
  • Jansen, Eystein; Kleiven, Helga Flesche. 2014. Klimakritikk uten fundament. Energi og Klima : Norsk klimastiftelses nettmagasin.
  • Kleiven, Helga Flesche; Knutsen, Terje. 2013. DigUiB: alene mot kamera. På Høyden - nettavis for Universitetet i Bergen.
  • Kalvig, Siri M.; Kleiven, Helga Flesche; Torleifsson, Tobias. 2011. Klimakritikk tilbake. Bergens Tidende.
Doctoral dissertation
  • Kleiven, Helga Flesche. 2000. Orbital and millenial scale ice sheet and ocean variability in the North Atlantic during the Pliocene climate transitions.
Documentary
  • Kleiven, Helga Flesche. 2012. Is the thermohaline circulation really at risk?
Abstract
  • Alonso-Garcia, Montserrat; Flower, Benjamin P.; Kleiven, Helga Flesche; Andrews, John T. 2011. Relationship between solar irradiance and climatic variability in the subpolar North Atlantic since the Medieval Warm Period. Abstracts AGU Fall meeting 2011.

More information in national current research information system (CRIStin)

Eirik Vinje Galaasen, Ulysses S. Ninnemann1, Nil Irvalı, Helga (Kikki) F. Kleiven, Yair Rosenthal, Catherine Kissel, David A. Hodell. Rapid reductions in North Atlantic Deep Water during the peak of the last interglacial period. Science 343; DOI: 10.1126/science.1248667, 2014

Irvali, N., Ninnemann, U.S., Kleiven, H.F., Galaasen, E.V., Morlely, A. and Rosenthal, Y. Evidence for regional cooling and East Greenland Ice Sheet changes during the demise of the last interglacial. To be submitted to Earth And Planetary Science Letters

D. J. R. Thornalley, M. Blaschek, F. J. Davies, S. Praetorius, D. W. Oppo, J. F. McManus, I. R. Hall, H. Kleiven, H. Renssen, and I. N. McCave
Long-term variations in Iceland–Scotland overflow strength during the Holocene
Clim. Past, 9, 2073-2084, 2013 

N. Irvalı, U. S. Ninnemann, E. V. Galaasen, Y. Rosenthal, D. Kroon, D. W. Oppo, H. F. Kleiven, K. F. Darling, and C. Kissel. Rapid switches in subpolar North Atlantic hydrography and climate during the Last Interglacial (MIS 5e). Paleoceanography VOL. 27, PA2207, [doi:10.1029/2011PA002244], 2012

P. C. Tzedakis, J. E. T. Channell, D. A. Hodell, H. F. Kleiven and L. C. Skinner. Determening the natural length of the current interglacial. Nature Geoscience Published online 09 January 2012, [doi:10.1038/ngeo1358], 2012 PUBLISHED

Helga F. Kleiven, Ian R. Hall, I. Nicholas McCave, Gregor Knorr and Eystein Jansen. Coupled deep-water flow and climate variability in the middle Pleistocene North Atlantic. Geology. 39 (4): 343–346 [doi: 10.1130/G31651.1.] 2011

Clark, P.U., Delworth, T.L., Weaver A.J., H. F. Kleiven, Catherine Kissell, Carlo Laj, Ulysses S. Ninnemann, Thomas O. Richter, and Elsa Cortijo, Freshwater Forcing: Will History Repeat Itself? Science 320: 316-317 [DOI: 10.1126/Science.320.5874.316a] 2008

Helga (Kikki) Flesche Kleiven, Catherine Kissel, Carlo Laj, Ulysses S. Ninnemann, Thomas O. Richter, and Elsa Cortijo, Reduced North Atlantic Deep Water Coeval with the Glacial Lake Agassiz Freshwater Outburst, Science, 319: 60-64; (published online 4 December 2007 [DOI: 10.1126/science.1148924] 2008

Stable isotope Geochemistry

Oxygen isotope stratigraphy

Paleoclimate

Foraminifera

Marine sedimentation/ice rafted debris/mean sortable silt

Climate outreach/popular science outreach and dissemination

EU Large Scale Integrated project THOR (2009-2012)
Norwegian PI, Core Team Co Leader and Work Package Leader: Helga (Kikki) F. Kleiven:

 

EU Large Scale Integrated project Past4Future (2010-2014)

Work Package leader and Norwegian Co-PI: Helga (Kikki) F. KLeiven

 


SKD project (IMMUNITY) (2011-2014)

PI: Odd Helge Otteraa (UNI Klima); Team members from Geo: Helga (Kikki) F. Kleiven, Ulysses Ninnemann, Jostein Bakke and Atle Nesje

 

NFR Forskerprosjekt FRINAT NOCWARM (2011-2014)

PI: Helga (Kikki) F. Kleiven, Co-PI: U.S. Ninnemann

Team: O.H. Otteraa (Uni Bjerknessenteret, N), Y. Rosenthal (Rutgers, USA), A. Piotrowski (Cambridge, UK), C. Kissell (LSCE, F)

 

NFR project SNACS (2014-2016)

PI: Are Olsen, GFI, Team members from Geo: Helga (Kikki) Kleiven, Ulysses Ninnemann

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