Alex123 wrote:Interestingly, CO2 lags an average of about 800 years behind the temperature changes-- confirming that CO2 is not the cause of the temperature increases.
References:
Historical Isotopic Temperature Record from the Vostok Ice Core
The data available from CDIAC represent a major effort by researchers from France, Russia, and the U.S.A.
1) Vostok ice core: a continuous isotope temperature record over the last climatic cycle (160,00 years).
Jouzel, J., C. Lorius, J.R. Petit, C. Genthon, N.I. Barkov,
V.M. Kotlyakov, and V.M. Petrov. 1987.
Nature 329:403-8.
2) Extending the Vostok ice-core record of palaeoclimate to the penultimate glacial period.
Jouzel, J., N.I. Barkov, J.M. Barnola, M. Bender, J. Chappellaz, C. Genthon, V.M. Kotlyakov, V. Lipenkov, C. Lorius, J.R. Petit, D. Raynaud, G. Raisbeck, C. Ritz, T. Sowers, M. Stievenard, F. Yiou, and P. Yiou. 1993.
Nature 364:407-12.
3) Climatic interpretation of the recently extended Vostok ice records.
Jouzel, J., C. Waelbroeck, B. Malaize, M. Bender, J.R. Petit, M. Stievenard, N.I. Barkov, J.M. Barnola, T. King, V.M. Kotlyakov, V. Lipenkov, C. Lorius, D. Raynaud, C. Ritz, and T. Sowers. 1996.
Climate Dynamics 12:513-521.
4) Climate and atmospheric history of the past 420,000 years from the Vostok ice core, Antarctica.
Petit, J.R., J. Jouzel, D. Raynaud, N.I. Barkov, J.-M. Barnola, I. Basile, M. Bender, J. Chappellaz, M. Davis, G. Delayque, M. Delmotte, V.M. Kotlyakov, M. Legrand, V.Y. Lipenkov, C. Lorius, L. Pepin, C. Ritz, E. Saltzman, and M. Stievenard. 1999.
Nature 399: 429-436.
http://www.geocraft.com/WVFossils/last_400k_yrs.html