A Long-Term Look Beneath an Antarctic Ice Shelf

A Long-Term Look Beneath an Antarctic Ice Shelf

Source: Journal of Geophysical Research: Oceans Antarctica’s massive ice shelves melt largely from the bottom, as warmer seawater eats away at the floating ice. What’s going on beneath these shelves isn’t well-known, however. Because Antarctic conditions are challenging, few boreholes exist from which to gather data on temperature, currents, salinity, and other properties beneath hundreds of meters of ice. With the first multiyear hydrographic d…