Walker circulation and global warming: Lessons from the geologic past

Oceanography

Volumn 19, Issue SPL.ISS. 4, 2006, Pages 114-122

  Ravelo, Ana Christina ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 56649088772     PISSN: 10428275     EISSN: None     Source Type: Journal    
DOI: 10.5670/oceanog.2006.10     Document Type: Article

References (47)

1. Anand, P., H. Elderfield, and M.H. Conte. 2003. Calibration of Mg/Ca thermometry in planktonic foraminifera from a sediment trap time series. Paleoceanography 18:28-21-28-15.
2. Barreiro, M., G. Philander, R. Pacanowski, and A. Federov. 2005. Simulations of warm tropical conditions with application to middle Pliocene atmospheres. Climate Dynamics 26:349-365, doi 10.1007/s00382-005-0086-4.
3. Boccaletti, G., R.C. Pacanowski, S.G.H. Philander, and A.V. Federov. 2004. The thermal structure of the upper ocean. Journal of Physical Oceanography 34:888-902.
4. Broccoli, A.J., K.A. Dahl, and R.J. Stouffer. 2006. Response of the ITCZ to Northern Hemisphere cooling. Geophysical Research Letters 33:L01702, doi:10.1029/2005GL024546.
5. Cai, W., and P.H. Whetton. 2001. A time-varying greenhouse warming pattern and the tropical-extratropical circulation linkage in the Pacific Ocean. Journal of Climate 14:3337-3355.
6. Cane, M.A. 2005. The evolution of El Niño, past and future. Earth and Planetary Science Letters 230:227-240.
7. Cane, M.A., and P. Molnar. 2001. Closing of the Indonesian seaway as a precursor to east African aridification around 3-4 million years ago. Nature 411:157-162.
8. Chaisson, W., and A.C. Ravelo. 2000. Pliocene development of the East-West hydrographic gradient in the Equatorial Pacific. Paleoceanography 15:497-505.
9. Chiang, J., and C. Bitz. 2005. Influence of high latitude ice cover on the marine Intertropical Convergence Zone. Climate Dynamics 25:477-496, doi 10.1007/ s00382-005-0040-5.
10. Collins, M., and the CMIP Modeling Groups. 2005. El Niño or La Niña-like climate change? Climate Dynamics 24(1):89-104.
11. Dekens, P.S., D.S. Lea, D.K. Pak, and H.J. Spero. 2002. Core top calibration of Mg/Ca in tropical foraminifera: Refining paleotemperature estimation. Geochemistry, Geophysics, Geosystems, doi:10.1029/ 2001GC000200.
12. Dekens, P., A.C. Ravelo, and M. McCarthy. In preparation. Warm upwelling regions in the warm Pliocene. Paleoceanography.
13. Dowsett, H., J. Barron, and R. Poore. 1996. Middle Pliocene sea surface temperatures: A global reconstruction. Marine Micropaleontology 27:13-26.
14. Fedorov, A., and G. Philander. 2000. Is El Niño changing? Science 288:1997-2002.
15. Fedorov, A.V., R.C. Pacanwski, S.G. Philander, and G. Boccaletti. 2004. The effect of salinity on the wind-driven circulation and the thermal structure of the upper ocean. Journal of Physical Oceanography 34:1949-1966.
16. Fedorov, A.V., P.S. Dekens, M. McCarthy, A.C. Ravelo, P.B. deMenocal, M. Barreiro, R.C. Pacanowski, and S.G. Philander. 2006. The Pliocene Paradox (mechanisms for a permanent El Niño). Science 312:1485-1489, doi: 10.1126/science.1122666.
17. Haug, G.H., F. Sigman, D. Tiedemann, R. Pedersen, and T. Sarnthein. 1999. Onset of permanent stratification in the subarctic Pacific Ocean. Nature 401:779-782.
18. Haug, G.H., R. Tiedemann, R. Zahn, and A.C. Ravelo. 2001. Role of Panama uplift on oceanic freshwater balance. Geology 29:207210.
19. Haywood, A.M., and P.J. Valdes. 2004. Modelling Pliocene warmth: Contribution of atmosphere, oceans and cryosphere. Earth and Planetary Science Letters 218:363-377.
20. Haywood, A.M., P. Dekens, A.C. Ravelo, and M. Williams. 2005. Warmer tropics during the mid-Pliocene? Evidence from alkenone paleothermometry and a fully coupled ocean-atmosphere GCM. Geochemistry Geophysics Geosystems 6:Q03010, doi:10.1029/2004GC000799
21. Herbert, T.D. 2000. Review of alkenone calibrations. Geochemistry, Geophysics, Geosystems 2:2000GC000055.
22. Herbert, T.D., and J.D. Schuffert. 1998. Alkenone unsaturation estimates of Late Miocene through Late Pliocene sea-surface temperatures at Site 958. Pp. 17-21 in Proceedings of the Ocean Drilling Program, J.V. Firth, ed. Ocean Drilling Program, College Station, TX.
23. Intergovernmental Panel on Climate Change. 2001. Climate Change: The Scientific Basis. [Online] Available at: http://www.grida.no/climate/ipcc_tar/wg1/.
24. Kaplan, A., Y. Kushnir, and M.A. Cane. 2000. Reduced space optimal interpolation of historical marine sea level pressure: 1854-1992. Journal of Climate 13(16):2987-3002.
25. Kurschner, W.M., J. Burgh, H. Visscher, and D.L. Dilcher. 1996. Oak leaves as biosensors of late neogene and early pleistocene paleoatmospheric CO2 concentrations. Marine Micropaleontology 27:299-312.
26. Lawrence, K.T., Z. Liu, and T.D. Herbert. 2006. Evolution of the eastern tropical Pacific through PlioPleistocene glaciation. Science 312:79-83, doi: 10.1126/science.1120395.
27. 18O records. Paleoceanography 20, doi: 10.1029/2004PA001071.
28. Liu, Z., and B. Huang. 2000. Cause of tropical Pacific warming trend. Geophysical Research Letters 27:1935-1938.
29. Liu, Z., and H. Yang. 2003. Extratropical control of tropical climate, the atmospheric bridge and ocean tunnel. Geophysical Research Letters 30:1230, doi:1210.1029/2002GL016492.
30. Marlow, J.R., C.B. Lange, G. Wefer, and A. RosellMelé. 2000. Upwelling intensification as part of the Pliocene-Pleistocene climate transition. Science 290:2288-2291.
31. Molnar, P., and M.A. Cane. 2002. El Niño's tropical climate and teleconnections as a blueprint for pre-Ice Age climates. Paleoceanography 17, doi: 10.1029/2001PA000663.
32. Mudelsee, M., and M.E. Raymo. 2005. Slow dynamics of the Northern Hemisphere glaciation. Paleoceanography 20:PA4022, doi:10.1029/2005PA001153.
33. Palacios, D., S.J. Bograd, R. Mendelssohn, and E.B. Schwing. 2004. Long-term and seasonal trends in stratification in the California Current, 1950-1993. Journal of Geophysical Research 109:1-12.
34. Nurnberg, D., J. Bijma, and C. Hemleban. 1996. Assessing the reliability of magnesium in foraminiferal calcite as a proxy for water mass temperatures. Geochimica et Cosmochimica Acta 60:803.
35. Philander, S.G., and A. Fedorov. 2003a. Is El Niño sporadic or cyclic? Annual Review of Earth and Planetary Sciences 31:579-594.
36. Philander, S.G., and A.V. Fedorov. 2003b. Role of tropics in changing the response to Milankovich forcing some three million years ago. Paleoceanography 18(2):1045, doi:10.1029/2002PA000837.
37. Ravelo, A.C., and C. Hillaire-Marcel. In press. The use of oxygen and carbon isotopes of foraminifera in studies of paleoceanography. In: Proxies in Late Cenozoic Paleoceanography, C. Hillaire-Marcel, and A. de Vernal. Elsevier, Amsterdam, The Netherlands.
38. Ravelo, A.C., D.H. Andreasen, M. Lyle, L.A. Olivarez, and M.W. Wara. 2004. Regional climate shifts caused by gradual global cooling in the Pliocene epoch. Nature 429:263-267.
39. Ravelo, A.C., P.S. Dekens, and M. McCarthy. 2006. Evidence for El Niño-like conditions during the Pliocene. GSA Today 16:4-11.
40. Raymo, M.E., and K. Nisancioglu. 2003. The 41 kyr world: Milankovitch's other unsolved mystery. Paleoceanography 18(1):1011, doi:10.1029/ 2002PA000791.
41. Raymo, M.E., W.F. Ruddiman, J. Backman, B.M. Clement, and D.G. Martinson. 1989. Late Pliocene variation in northern hemisphere ice sheets and North Atlantic deepwater circulation. Paleoceanography 4:413-446.
42. Raymo, M.E., B. Grant, M. Horowitz, and G.H. Rau. 1996. Mid-Pliocene warmth: Stronger greenhouse and stronger conveyor. Marine Micropaleontology 27:313-326.
43. Rohling, E.J., and S. Cooke. 1999. Stable oxygen and carbon isotope ratios in foraminiferal carbonate. Pp. 239-258 in Modern Foraminifera, B.K. Sen Gupta, ed. Kluwer Academic, Dordrecht, The Netherlands.
44. Sloan, L.C., T.J. Crowley, and D. Pollard. 1996. Modeling of middle Pliocene climate with the NCAR GENESIS general circulation model. Marine Micropaleontology 27:51-61.
45. Van der Burgh, J., H. Visscher, D.L. Dilcher, and W.M. Kurschner. 1993. Paleoatmospheric signatures in Neogene fossil leaves. Science 260:1778-1790.
46. Vecchi, G.A., B.J. Soden, A.T. Wittenberg, I.M. Held, A. Leetmaa, and M.J. Harrison. 2006. Weakening of tropical Pacific atmospheric circulation due to anthropogenic forcing. Nature 441:73-76.
47. Wara, M.W., A.C. Ravelo, and M.L. Delaney. 2005. Permanent El Niño-like conditions during the Pliocene Warm Period. Science 309:758-761.