Fig. 5: Relation of North Atlantic sea surface warming and MOW activity from 3.8–2.6 Ma. | Communications Earth & Environment

Fig. 5: Relation of North Atlantic sea surface warming and MOW activity from 3.8–2.6 Ma.

From: Mediterranean heat injection to the North Atlantic delayed the intensification of Northern Hemisphere glaciations

Fig. 5

a Ice volume reconstruction with Glacial M2 and warmphase KM5c denoted44 (b) different atmospheric pCO2 reconstructions for the Plio–Pleistocene transition (white circles;2 orange circles;3 blue circles4); with LOESS smoother (black line; factor: 0.07) and 95% confidence interval (green shading) derived from a Monte Carlo Simulation with 1000 iterations. c Sea surface temperatures (SST) of high-latitude site ODP Site 98264 on the revised age model of;41 the data have been LOESS-smoothed (factor: 0.2). d Ice volume corrected δ18O of the bottom water (δ18Oivf-sw) as a measure of western Mediterranean deep-water salinity from Site 978 (red symbols; red line denotes LOESS smoothing by factor 0.07, shading indicates 95% confidence interval).41 e Sapropels (representing wet phases) in Eastern Mediterranean Site 96967. The grey shadings indicate intervals of anomalous SST warming in the high-latitude North Atlantic concomitant to inferred increases in MOW production, including the “iMOW-Phase” discussed in the text.

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