Changes in upwelling and surface productivity in the Eastern Pacific during Terminations I and II

Zeynep Erdem, NIOZ Royal Netherlands Institute for Sea Research, Den Burg, Netherlands, Marijke De Bar, NIOZ Royal Netherlands Institute for Sea Research, Department of Marine Microbiology and Biogeochemistry, Den Burg, Netherlands, Dave Stolwijk, NIOZ Royal Netherlands Institute for Sea Research, and Utrecht University, Den Burg, Netherlands, Ralph Robert Schneider, University of Kiel, Kiel, Germany, Jaap S. Sinninghe Damsté, NIOZ Royal Netherlands Institute for Sea Research, Department of Marine Microbiology and Biogeochemistry, 't Horntje, Netherlands and Stefan Schouten, NIOZ Royal Netherlands Institute for Sea Research, Department of Marine Microbiology and Biogeochemistry, Texel, Netherlands