Coccolithophore productivity in the North Atlantic during the Middle Pleistocene based on coccolith fraction Sr/Ca ratios from IODP Hole 306-U1313D, supplement to: Cavaleiro, Catarina; Voelker, Antje H L; Stoll, Heather M; Baumann, Karl-Heinz; Kulhanek, Denise; Naafs, Bernhard David A; Stein, Ruediger; Gruetzner, Jens; Ventura, C; Kucera, Michal (2018): Insolation forcing of coccolithophore productivity in the North Atlantic during the Middle Pleistocene. Quaternary Science Reviews, 191, 318-336

Catarina Cavaleiro, Antje H L Voelker, Heather M Stoll, Karl-Heinz Baumann, Denise Kulhanek, Bernhard David A Naafs, Ruediger Stein, Jens Gruetzner, C Ventura & Michal Kucera
Coccolithophores play a key role in the oceanic carbon cycle through the biological and carbonate pumps. Understanding controls on coccolithophore productivity is thus fundamental to quantify oceanic carbon cycling. We investigate changes in coccolithophore productivity over several Pleistocene glacial-interglacial cycles using a high-resolution coccolith Sr/Ca ratio record, which is an indicator of growth rate and thus a proxy for coccolithophore productivity. We use Middle Pleistocene sediments from the North Atlantic Integrated Ocean Drilling Program (IODP)...
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