Geodynamics

Imaggeo on Mondays: Dragon Blood Tree

Laura Roberts-Artal August 24, 2015

Dracaena Cinnabari [Dragon Blood Tree, Socotra, Yemen] . Credit: Annalisa Molini (distributed via imaggeo.egu.eu)

On a small and isolated island in the Indian Ocean you’ll find an endemic population of Dragon Blood Trees (Dracaena cinnabari). Burly, with an interesting umbrella-shaped fractal canopy, these unique trees are a sight to behold. To see them for yourself, you’ll have to travel to the little known Socotra archipelago. Off the coast of Somalia, but belonging to Yemen, the group of islands boast an i ...[Read More]

Imaggeo on Mondays: Strombolian eruption

Laura Roberts-Artal July 20, 2015

Strombolian eruption. Credit: Jonas Kuhn (distributed via imaggeo.egu.eu)

Jonas Kuhn, a researcher at Heidelberg University , took the photograph during a field campaign at Stromboli volcano in Italy. The objective of this campaign was to gather data from different gaseous compounds of the volcanic plume. Via emission fluxes of volcanic gases (e.g. SO2, CO2, halogen compounds…) or the ratio of emitted gases, one can retrieve information about the interior of the v ...[Read More]

Imaggeo on Mondays: The place where water runs through rocks

Laura Roberts-Artal July 13, 2015

Waved rocks of Antelope slot canyon. Credit: Frederik Tack (distributed via imaggeo.egu.eu)

Antelope Canyon, located in Arizona, USA, was formed by erosion of the Navajo Sandstone, primarily due to flash flooding and secondarily due to other sub-aerial processes (think of physical weathering processes such as freeze-thaw weathering exfoliation and salt crystallisation). Rainwater runs into the extensive basin above the slot canyon sections, picking up speed and sand as it rushes into the ...[Read More]

GeoTalk: Meet Andi Rudersdorf, winner of I’m a Geoscientist 2015!

Laura Roberts-Artal June 26, 2015

Meet Andi! Credit: Andreas Rudersdorf

Earlier this year we ran the second I’m a Geoscientist event, an online chat-based game show in which school kids vote for their favourite geoscience communicators. In this week’s GeoTalk, Laura Roberts talks to Andi Rudersdorf, a neotectonics PhD student and winner of this year’s I’m a Geoscientist… First, for those who didn’t been following I’m a Geoscientist, can you tell us a little about you ...[Read More]