High-resolution assessment of coccolith assemblages during the last 150 years, Carmen Basin, Gulf of California

摘要

One hundred and thirteen samples from the Carmen Basin, Gulf of California, were studied in order to evaluate the abundance variations in coccolith assemblages during the last 150 years. The box core DIPALIV-C53B (25°53.311'N, 110°52.267'W) was recovered from a 670-m water depth by the R/V El Puma, which is owned by the National University of Mexico. Core C53B (34 cm) was sampled every 3 mm,and an age model was determined based on ~(210)Pb, indicating a sedimentation rate of 1.7 mm/year.