Proposed deployment of tripod to measure waves, currents, suspended sediment and bottom erosion in a tidal flat; tidal flat transects to determine changes in biofilm and sediment erodibility as a function of elevation and nutrient enrichment; tidal flat organs to increase the range of elevations of the transects b) Zoe Hughes measuring fluxes in a tidal channel in Plum Island; c) Sergio Fagherazzi deploying wave instruments in a tidal flat; d) Carol Wilson and local fisherman coring a salt marsh.