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]
Imaggeo on Mondays: A marvellous moving image
Every year, in association with our annual General Assembly, we run a photo contest to feature and celebrate fantastic geoscience images. Last year we introduced a moving image component to the competition, giving photographers the chance to submit short clips of great geoscience footage. Here’s this year’s highly commended entry by Matthias Buschmann… Svalbard’s stunning scenery (Credit: Matthias ...[Read More]
GeoTalk: What can you learn from a human hair?
Jim Ehleringer is Director of the Stable Isotope Ratio Facility at the University of Utah in Salt Lake City in the US. In the past few years he has been developing a method for deducing people’s diets and travel history from a sample of their hair. Here, he talks to the EGU press office about his research. Thanks for agreeing to chat, Jim. Can you tell me a bit about how your project started? This ...[Read More]