Stable oxygen isotope data of Thoracosphaera heimii in surface sediment samples of the equatorial Atlantic and South Atlantic, supplement to: Zonneveld, Karin A F (2004): Potential use of stable oxygen isotope composition of Thoracasphaera heimii for upper water column (thermocline) temperature reconstruction. Marine Micropaleontology, 50(3-4), 307-317

Karin A F Zonneveld
To investigate the potential use of the stable isotope composition of the vegetative cysts of the photosynthetic dinoflagellate Thoracosphaera heimii for quantitative palaeotemperature reconstructions a method has been developed to purify T. heimii cysts from sediment samples. Stable oxygen and carbon isotopes have been measured on T. heimii cysts from 21 surface sediment samples from the equatorial Atlantic and South Atlantic Oceans. Calculated temperatures based on the palaeotemperature equation for inorganic calcite precipitation generally reflect...
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