Stable carbon and oxygen isotope ratios of Cibicidoides wuellerstorfi in the 340 to 0 kyr section of ODP Site 162-980 in the subpolar North Atlantic, supplement to: McManus, Jerry F; Oppo, Delia W; Cullen, James L (1999): A 0.5-million-year record of millennial-scale climate variability in the North Atlantic. Science, 283(5404), 971-975

Jerry F McManus, Delia W Oppo & James L Cullen
Long, continuous, marine sediment records from the subpolar North Atlantic document the glacial modulation of regional climate instability throughout the past 0.5 million years. Whenever ice sheet size surpasses a critical threshold indicated by the benthic oxygen isotope (delta18O) value of 3.5 per mil during each of the past five glaciation cycles, indicators of iceberg discharge and sea-surface temperature display dramatically larger amplitudes of millennial-scale variability than when ice sheets are small. Sea-surface temperature oscillations...
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