One asterisk (*) denotes samples in which it was not possible to estimate coccolith absolute numbers. Semiquantitative estimates of coccolith preservation based on SEM observations have been indicated
The US Science Operator for the Integrated Ocean Drilling Program (IODP) operated the drilling vessel JOIDES Resolution from 2004-2013 for worldwide expeditions numbering between 301 through 346. IODP
NOAA National Centers for Environmental Information2010-01-01 更新30