Millennial-scale iron fertilization of the eastern equatorial Pacific over the past 100,000 years

• DOI: 10.1038/ngeo3024
• Publication Date: 2017-09-11T15:06:37Z
• Authors: Matthew R. Loveley; Franco Marcantonio; Marilyn M. Wisler; Jennifer E. Hertz...; Matthew W. Schmidt; Mitchell Lyle
• Keywords: Iron fertilization; Stadial; Biological pump; Deglaciation; Authigenic; Ice core

Productivity in the eastern equatorial Pacific is limited by the availability of iron. Geochemical analyses of a 100,000-year-long sediment core suggest that pulses of dust deposition during Heinrich stadials fuelled primary productivity.