Skip to main content
Article thumbnail
Location of Repository

Tropical ocean-atmosphere controls on inter-annual climate variability in the Cretaceous Arctic

By Andrew Davies, Alan E.S. Kemp and Heiko Pälike


The first annually resolved sedimentary record from the Cretaceous is used to develop time series of inter-annual and decadal scale climate variability from the Arctic Ocean. Analysis of records spanning 1000 years reveals strong periodicities in the quasi-biennial oscillation and El Niño – Southern Oscillation (ENSO) band as well as a 14 year period, which all closely match periodicities typical of modern high latitude climate variability. This supports the view that an Arctic Ocean free of permanent sea ice would be driven by similar forcing to the present state, implicating tropical ocean atmosphere interaction and demonstrating that stratosphere- troposphere coupling likely played a prominent role in the transmission of Cretaceous equatorial climate forcing to polar latitudes as has recently been established for the modern earth system. On the other hand, the prominent ENSO periodicities in our records argue against the hypothesized link between past warm climates and “permanent El Niño” states

Year: 2011
OAI identifier:
Provided by: e-Prints Soton

Suggested articles


  1. (2010). A 600 k.y. record of El Nino-Southern Oscillation (ENSO): Evidence for persisting teleconnections during the Middle Eocene greenhouse climate of Central Europe, doi
  2. (2009). A Perpetually Running ENSO in the Pliocene?, doi
  3. (1998). A practical guide to wavelet analysis, doi
  4. (2002). Advanced spectral methods for climatic time series, doi
  5. (1999). Alternative global Cretaceous paleogeography, in Evolution of the Cretaceous Ocean-Climate System, edited by doi
  6. (2010). Analysis of ENSO interannual oscillations using non-stationary quasiperiodic statistics: a study of ENSO memory, doi
  7. (2000). ENSO and Climatic Variability in the Past 150 years, in El Nino and the Southern Oscillation, edited by doi
  8. (2003). Eocene El Niño: Evidence for Robust Tropical Dynamics in the "Hothouse", doi
  9. (2010). Evidence for active El Nino Southern Oscillation variability in the Late Miocene greenhouse climate, doi
  10. (2006). Future abrupt reductions in the summer Arctic sea ice, doi
  11. (2009). Impact of a projected future Arctic Sea Ice reduction on extratropical storminess and the NAO, doi
  12. (1999). Interdecadal changes in the ENSO-monsoon system, doi
  13. (2002). Late cretaceous ocean: coupled simulations with the national center for atmospheric research climate system model, doi
  14. (2009). Late Cretaceous seasonal ocean variability from the Arctic, doi
  15. (2008). Life in a temperate Polar sea: a unique taphonomic window on the structure of a Late Cretaceous Arctic marine ecosystem, doi
  16. (1995). Modulation of hemispheric sea-ice cover by ENSO events, doi
  17. (2010). Observed connection of the stratospheric quasi-biennial oscillation with ENSO in radiosonde data, doi
  18. (2004). Oceanic and atmospheric transport of multiyear El Nino-Southern Oscillation (ENSO) signatures to the polar regions, doi
  19. (2000). Oxygen isotope evidence for high-altitude snow in the Laramide Rocky Mountains of North America during the Late Cretaceous and Paleogene, doi
  20. (2001). Regional climate impacts of the Northern Hemisphere annular mode, doi
  21. (1999). Signature of recent climate change in frequencies of natural atmospheric circulation regimes,
  22. (2006). The Arctic amplification debate, doi
  23. (2010). The central role of diminishing sea ice in recent Arctic temperature amplification, doi
  24. (2006). The Pliocene paradox (mechanisms for a permanent El Nino), doi
  25. (2001). The quasi-biennial oscillation, doi
  26. (2009). The role of the stratosphere in the European climate response to El Nino, doi
  27. Tung (2007), Stratospheric polar warming by ENSO in winter: A statistical study, doi
  28. (2006). Twenty-first-century climate impacts from a declining Arctic sea ice cover, doi
  29. (2008). Vertical structure of recent Arctic warming, doi

To submit an update or takedown request for this paper, please submit an Update/Correction/Removal Request.