| Title | Funder | Bigelow Principle Investigator(s) |
| GEOTRACES: Atlantic Section: Characterization of phytoplankton trace metal quotas and their contribution to the particulate metal pool in the upper ocean | NSF | Twining |
| Collaborative Research: The great southern coccolithophore belt | NSF | Balch, Twining |
| Collaborative Research: FeCycle II - Natural variability in plankton iron quotas during an unamended lagrangian experiment | NSF | Twining |
| Collaborative Research: Agent-based modeling and observation of intra-population variability in phytoplankton | NSF | Twining |
| Collaborative Research: Iron storage in diatoms and N2 fixing cyanobacteria: Mechanisms, regulation, and biogeochemical significance | NSF | Twining |