Summary
Antarctica holds vast, hidden reservoirs of salty groundwater beneath its ice and frozen soils; an extensive network that may influence earth system variability, ocean ecosystems, and ice sheet stability. This project will directly measure groundwater discharge and potential associated gas seeps along the Antarctic coast, revealing how these subsurface waters transport nutrients, trace metals, microorganisms, and atmospheric-reactive gases to the Southern Ocean. Understanding these exchanges is vital because they can shape marine productivity, influence carbon cycling, and control the release