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García Chapori, Natalia Luz; Chiessi, Cristiano Mazur; Bickert, Torsten; Laprida, Cecilia (2015): Sea-surface temperature reconstruction and calibration-function of sediment cores from the Southern Ocean. PANGAEA,, Supplement to: García Chapori, NL et al. (2015): Sea-surface temperature reconstruction of the Quaternary western South Atlantic: New planktonic foraminiferal correlation function. Palaeogeography, Palaeoclimatology, Palaeoecology, 425, 67-75,

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We provide a new multivariate calibration-function based on South Atlantic modern assemblages of planktonic foraminifera and atlas water column parameters from the Antarctic Circumpolar Current to the Subtropical Gyre and tropical warm waters (i.e., 60°S to 0°S). Therefore, we used a dataset with the abundance pattern of 35 taxonomic groups of planktonic foraminifera in 141 surface sediment samples. Five factors were taken into consideration for the analysis, which account for 93% of the total variance of the original data representing the regional main oceanographic fronts. The new calibration-function F141-35-5 enables the reconstruction of Late Quaternary summer and winter sea-surface temperatures with a statistical error of ~0.5°C. Our function was verified by its application to a sediment core extracted from the western South Atlantic. The downcore reconstruction shows negative anomalies in sea-surface temperatures during the early-mid Holocene and temperatures within the range of modern values during the late Holocene. This pattern is consistent with available reconstructions.
Median Latitude: -37.231593 * Median Longitude: -45.950025 * South-bound Latitude: -56.830000 * West-bound Longitude: -66.930000 * North-bound Latitude: 0.067000 * East-bound Longitude: 17.367000
Date/Time Start: 1957-01-28T00:00:00 * Date/Time End: 1994-07-17T00:00:00
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