Saavedra-Pellitero, Mariem; Baumann, Karl-Heinz; Hernández-Almeida, Iván; Flores, José-Abel; Sierro, Francisco Javier (2014): Sea surface productivity and temperature detected by coccolith accumulation rates from the southeastern Pacific off Chile. PANGAEA, https://doi.org/10.1594/PANGAEA.831487, Supplement to: Saavedra-Pellitero, M et al. (2013): Modern sea surface productivity and temperature estimations off Chile as detected by coccolith accumulation rates. Palaeogeography, Palaeoclimatology, Palaeoecology, 392, 534-545, https://doi.org/10.1016/j.palaeo.2013.10.010
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Recent coccoliths from 74 surface sediment samples recovered from the southeastern Pacific off Chile were examined quantitatively to investigate modern regional gradients of sea surface productivity and temperature. All findings are based on coccolith accumulation rates. Therefore an approach was designed to estimate recent sedimentation rates based on 210Pb and bulk chemistry analyses of the same set of surface samples. Highest total coccolith accumulation rates were found off north-central Chile, where seasonal upwelling takes place. Based on amultiple linear regression between calculated coccolith accumulation rates andWorld Ocean Atlas derived sea surface temperatures, a calibrationmodel to reconstruct annual average temperatures of the uppermost 75 mof thewater column is provided. Themodelwas cross-validated and the SST estimateswere compared with SST observed and SST estimates based on diatoms and planktonic foraminifera, showing a good correlation.
Median Latitude: -33.749811 * Median Longitude: -73.173483 * South-bound Latitude: -44.284160 * West-bound Longitude: -75.864660 * North-bound Latitude: -22.841660 * East-bound Longitude: -70.489830
Date/Time Start: 2001-04-02T08:16:00 * Date/Time End: 2001-05-11T20:09:00
Datasets listed in this publication series
- Saavedra-Pellitero, M; Baumann, K-H; Flores, J-A et al. (2014): (Supplement 1) Coccolith Accumulation Rate (CAR) from the southeastern Pacific off Chile. https://doi.org/10.1594/PANGAEA.831485
- Saavedra-Pellitero, M; Baumann, K-H; Flores, J-A et al. (2014): (Supplement 2) Sea surface temperature analysis from the southeastern Pacific off Chile. https://doi.org/10.1594/PANGAEA.831486
- Saavedra-Pellitero, M; Baumann, K-H; Flores, J-A et al. (2014): (Table 2) Sedimentation rates and dry bulk densities measurements as well as observed annual sea surface temperature from the southeastern Pacific off Chile. https://doi.org/10.1594/PANGAEA.831484