Seafarer citizen scientist ocean transparency data as a resource for phytoplankton and climate research Seafarers, Secchi Disk ; Lavender, Samantha ; Beaugrand, Gregory ; Outram, Nicholas ; Barlow, Nigel ; Crotty, David ; Evans, Jake ; Kirby, Richard Abstract Publication: PLoS ONE Pub Date: December 2017 DOI: 10.1371/journal.pone.0186092 Bibcode: 2017PLoSO..1286092S