Ice streams deform due to tiny ice quakes
Alfred Wegener Institute (AWI)
Published: 6 February 2025
Tiny icequakes deep within Greenland's NEGIS ice stream reveal a stick-slip motion, not just viscous flow. This discovery by AWI, ETH Zurich and others could improve sea-level rise predictions and explains long-mysterious ice core structures.
Keywords: icequakes, ice stream, NEGIS, sea-level rise, AWI, fibre-optic, Greenland
Northernmost hot springs of the earth discovered
Alfred Wegener Institute (AWI)
Published: 20 February 2025
Researchers discovered Earth's northernmost hydrothermal field near the North Pole. Unlike typical vents, it emits metal-poor fluids rich in hydrogen and methane, revealing unexpected diversity in deep-sea systems.
Keywords: hydrothermal vents, Arctic Ocean, Polaris field, Gakkel Ridge, Polarstern, methane, deep sea
Unique communities directly under the Arctic ice
Alfred Wegener Institute (AWI)
Published: 7 March 2025
AWI researchers found high biodiversity directly under Arctic sea ice in the Fram Strait. Melting ice alters this unique habitat, threatening specialized species before they can be fully identified or understood.
Keywords: Arctic, sea ice, biodiversity, Fram Strait, marginal ice zone, eDNA
