Fig. 2: Orbital-scale variability of sea surface temperature in the eastern South Pacific and current strength. | Nature Communications

Fig. 2: Orbital-scale variability of sea surface temperature in the eastern South Pacific and current strength.

From: 790,000 years of millennial-scale Cape Horn Current variability and interhemispheric linkages

Fig. 2: Orbital-scale variability of sea surface temperature in the eastern South Pacific and current strength.The alternative text for this image may have been generated using AI.

a Sortable silt record from sediment core PS75/093-2 representing Antarctic Circumpolar Current (ACC) strength changes at the entrance of the Drake Passage37. b Cape Horn Current (CHC) Strength. c Alkenone-derived sea surface temperature (SST) from Site U1542, the yellow dots indicate the modern SST at the core location). d Alkenone-derived SST from core PS75/034-234. e Antarctic ice core EPICA Dome C temperature record17 on the AICC2012 age model73. f Correlation between CHC strength and every alkenones-derived SST measurement from Site U1542. g Respective spectral power of (a) to (f). Timing and nomenclature of Marine Isotope Stages (MIS) follow Lisiecki and Raymo77 and glacial periods are blue shaded. MBT corresponds to the Mid-Brunhes Transition55.

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