"These explosions sent out sound waves, which then echoed off different layers in the ice and bedrock," he said.
Dr Galton-Fenzi said "a substantial amount of water" was contained in the subglacial lakes, which could impact the rate at which ice flows into the ocean.
"We know there's warm water present under the glacier, so we expect this is one of the regions in east Antarctica that's going to change first."
Warm water on top of bedrock..........2 klm's under the ice........Hmmmm
