GeoLog

EGU Scientific Divisions

Imaggeo on Mondays: Light fantastic – flashing phenomena in Norway’s night sky

In this week’s Imaggeo on Mondays, Bjørn Gitle Hauge – from Østfold University College – opens our eyes to the astounding aurora borealis, and the unusual phenomena seen in Norway’s night sky… Hessdalen is a former mining district in the middle of Norway with huge ores of copper and mineshafts up to a kilometre deep. The climate here is sub-Arctic, with temperatures reaching as low as -50 de ...[Read More]

Capturing Cassini – 10 years of Saturnian science on camera

This year marks the 10th anniversary of the Cassini-Huygens mission to study Saturn and its moons. But what’s 10 years to us is only a fraction of the Saturnian calendar – in the decade we’ve been studying Saturn up close, the planet has been through only a third of its annual cycle. In that short time though, scientists have made a multitude of amazing and surprising discoveries about the system ...[Read More]

Imaggeo on Mondays: Layers of leg-like sandstone

John Clemens, a researcher from Stellenbosch University and one of the winners in the EGU Photo Contest 2014, opens our eyes to erosional processes in the Grand Canyon in this week’s Imaggeo on Mondays… The photo below was taken late in the afternoon while doing some geological tourism at the Grand Canyon in Arizona, USA. The light at this time of day is ideal for such locations as it has a ...[Read More]

GeoTalk: Want a record of historical floods? Ask the taxman

Extreme weather events, like catastrophic floods, are the malicious exclamation points of Earth’s chaotic and variable climate system; they arrive without warning and extract huge costs, both economic and humanitarian, from the communities they strike. Evidence suggests the frequency and severity of these events may be on the rise in a changing climate, but scientists struggle to place modern even ...[Read More]