GeoLog

ocean sciences

Underwater robot shares ocean secrets

Underwater robot shares ocean secrets

Buoyancy-driven drones are helping scientists paint a picture of the ocean with sound. Around the world, silent marine robots are eavesdropping on the ocean and its inhabitants. The robots can travel 1000 metres beneath the surface and cover thousands of kilometres in a single trip, listening in on the ocean as they go. These bright yellow bots, known as Seagliders, are about the size of a diver, ...[Read More]

Imaggeo on Mondays: Iceberg viewing in Cape Spear, Newfoundland, Canada

Imaggeo on Mondays: Iceberg viewing in Cape Spear, Newfoundland, Canada

Cape Spear in Newfoundland, Canada is the easternmost location in North America and one of the few places in the world where you can contemplate icebergs from the shore. Every year, about 400 to 800 bergs journey down to this particular point. These 10,000-year-old ice giants drift along the northern shore of Newfoundland with the Labrador Current. About 90 percent of these icebergs come from west ...[Read More]

GeoSciences Column: Catch of the day – what seabirds can tell us about the marine environment

GeoSciences Column: Catch of the day – what seabirds can tell us about the marine environment

Off the coast of Germany, a male northern gannet (for ease, we’ll call him Pete) soars above the cold waters of the North Sea. He’s on the hunt for a shoal of fish. Some 40km due south east, Pete’s mate and chick await, patiently, for him to return to the nest with a belly full of food. Glints of silver just below the waves; the fish have arrived. Pete readies himself. Body rigid, wings tucked in ...[Read More]