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  • Title: High-resolution record of climate stability in France during the last interglacial period.
    Author: Rioual P, Andrieu-Ponel V, Rietti-Shati M, Battarbee RW, de Beaulieu JL, Cheddadi R, Reille M, Svobodova H, Shemesh A.
    Journal: Nature; 2001 Sep 20; 413(6853):293-6. PubMed ID: 11565028.
    Abstract:
    The last interglacial period (127-110 kyr ago) has been considered to be an analogue to the present interglacial period, the Holocene, which may help us to understand present climate evolution. But whereas Holocene climate has been essentially stable in Europe, variability in climate during the last interglacial period has remained unresolved, because climate reconstructions from ice cores, continental records and marine sediment cores give conflicting results for this period. Here we present a high-resolution multi-proxy lacustrine record of climate change during the last interglacial period, based on oxygen isotopes in diatom silica, diatom assemblages and pollen-climate transfer functions from the Ribains maar in France. Contrary to a previous study, our data do not show a cold event interrupting the warm interglacial climate. Instead, we find an early temperature maximum with a transition to a colder climate about halfway through the sequence. The end of the interglacial period is clearly marked by an abrupt change in all proxy records. Our study confirms that in southwestern Europe the last interglacial period was a time of climatic stability and is therefore still likely to represent a useful analogue for the present climate.
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