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  • 235-1; AGE; Color, L*, lightness; DEPTH, sediment/rock; M78/1; M78/1_235-1; Meteor (1986); N. Tobago; PC; Piston corer; Spectrophotometer Minolta CM-508d  (1)
  • Age model; Calculated from Mg/Ca ratios (Dekens et al. 2002); Calculated from Mg/Ca ratios (this study); Calculated from Mg/Ca ratios and d18O and corrected for ice volume; DEPTH, sediment/rock; Foraminifera, planktic δ18O; GC; Globigerinoides ruber pink, Magnesium/Calcium ratio; Gravity corer; M125; M125_428-3; M125-35-3; Meteor (1986); Mg/Ca; SAMBA; Sea surface temperature; Sea surface temperature, annual mean; South Atlantic Ocean; stable oxygen isotopes; tropical western South Atlantic; δ18O, ice volume free, seawater  (1)
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  • 1
    Publication Date: 2023-03-03
    Description: This dataset provides depth, age, and sediment reflectance data of piston core M78/1-235-1, which was recovered from Tobago Basin (11°36.53'N 60°57.86'W) from 852 m water depth. A MINOLTA CM-508d hand-held spectrophotometer was used during R/V Meteor Cruise 78/1 to measure the light reflectance (L*) of the sediment. The spectral reflectance is measured over a wavelength spectrum from 400 to 700 nm at a 10 nm pitch. Routine measurements were made at 1 cm intervals and automatically recorded using the SPECTRAMAGIC® v.2.11 software. The L*- dataset without age information is archived at doi:10.1594/PANGAEA.788740 (Bahr et al., 2012). The L* data provide stratigraphical information, and information on fluvial supply of terrigenous matter to the core location.
    Keywords: 235-1; AGE; Color, L*, lightness; DEPTH, sediment/rock; M78/1; M78/1_235-1; Meteor (1986); N. Tobago; PC; Piston corer; Spectrophotometer Minolta CM-508d
    Type: Dataset
    Format: text/tab-separated-values, 757 data points
    Location Call Number Limitation Availability
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  • 2
    Publication Date: 2024-02-02
    Description: This dataset includes stable oxygen isotope (δ¹⁸O ‰ V-SMOW) data and reconstructed Sea Surface Temperatures (SST) based on foraminiferal Mg/Ca measured on Globigerenoides ruber (pink variety) covering the last deglacial period (20 to 10 ka). Raw Mg/Ca data were converted to SSTs using the species-specific calibration provided by Dekens et al. (2002; doi:10.1029/2001GC000200). Combined stable oxygen isotope data and Mg/Ca based SSTs were used to calculate ice-volume free seawater (δ¹⁸Oivf-sw). Foraminiferal species G. ruber (p) were sampled from sediment Gravity Core M125-35-3 retrieved during research cruise M125 (RV METEOR) in 2016. Core M125-35-3 is located off south western Brazil in the tropical western South Atlantic in the pathway of the tropical warm southward-flowing Brazil Current.
    Keywords: Age model; Calculated from Mg/Ca ratios (Dekens et al. 2002); Calculated from Mg/Ca ratios (this study); Calculated from Mg/Ca ratios and d18O and corrected for ice volume; DEPTH, sediment/rock; Foraminifera, planktic δ18O; GC; Globigerinoides ruber pink, Magnesium/Calcium ratio; Gravity corer; M125; M125_428-3; M125-35-3; Meteor (1986); Mg/Ca; SAMBA; Sea surface temperature; Sea surface temperature, annual mean; South Atlantic Ocean; stable oxygen isotopes; tropical western South Atlantic; δ18O, ice volume free, seawater
    Type: Dataset
    Format: text/tab-separated-values, 509 data points
    Location Call Number Limitation Availability
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