Sea Surface Microlayer: Trace Elements Collaborative Proposal: Vibrio as a model microbe for opportunistic heterotrophic response to Saharan dust deposition events in marine waters PI's: E. Lipp (UGA), W. Landing (FSU) E. Ottesen (UGA), M. Wetz (TAMU) Version 2017-08-2 sml=sea surface microlayer; uwc=0.3 m depth water column BDL = below detection limit sample_type: dissolved = passed through 0.2 µm pore sized filter; reactive_particulate = labile particulate matter retained on 0.2 µm pore sized filter; refractory_particulate = refractory particulate matter retained on 0.2 µm pore sized filter