OverviewEXPORTS: Controls on the gravitational carbon pump in the oceanSnoCam+: a platform-agnostic sediment trap controller and imaging sensorTowards in situ bio-optical observations on ice-shrouded ocean worldsDo biological particles scavenge and remove microplastic fibers from the ocean?LISST-OST: A Bio-optical Sensor to Detect Sinking ParticlesRemote sensing of CDOM in Maine’s estuaries General themes Oceanic biogeochemical processes mediated