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Massachusetts Institute of Technology As the Chemistry-Kayak (affectionately known as the ChemYak) swept over the Arctic estuary waters, Victoria Preston was glued to a monitor in a boat nearby, watching as the robot’s sensors captured new data. She and her team had spent weeks preparing for this deployment. With only a week to work on-site, they were making use of the long summer days to collect thousands of observations of a hypothesized chemical anomaly associated with the annual ice-cover retreat. The robot moved up and down the stream, using its chemical sensors to detect the composition of the flowing water. Its many measurements revealed a short-lived but massive influx of greenhouse gases in the water during the annual “flushing” of the estuary as ice thawed and receded. For Preston, the experiment’s success was a heartening affirmation of how robotic platforms can be leveraged to help scientists understand the environment in fundamentally new ways.

Chesapeake bayUnited statesRoger revelleNicholas royAnna michelOlin college of engineeringNational deep submergence facilityScripps institution of oceanographyWoods hole oceanographic institutionVictoria prestonOlin collegeWoods hole oceanographicMassachusett wareham riverScripps institutionGuaymas basinசெசபீக் வளைகுடா