Ocean acidification could be described as climate change’s evil twin, not that it needs one. The world’s oceans are partly absorbing the carbon dioxide we are pumping into the planet’s atmosphere, which then reacts with seawater and forms carbonic acid. This process decreases the pH of the oceans, making them more acidic. If you are a crab resident of the ocean, this is not good news. Norma ...[Read More]
Imaggeo on Mondays: The Grid – A serpentine pseudomorph after carbonate
The structures in this photo might look three-dimensional, but they are completely flat. It is a photo of a polished thinsection of a rock, taken through a petrographic microscope under cross-polarized light. The width of the image is just 2 mm. The brownish mineral around the edges is carbonate, the white to grey mineral in the centre is serpentine, a water-bearing silicate mineral. The different ...[Read More]
GeoTalk: Inaugural Katia and Maurice Krafft Award winner, Rhian Meara talks about the EGU award nominations.
Hi Rhian, thanks for talking with us today about the EGU’s Award nominations, please start by introducing yourself! I’m a physical geography and geology lecturer at Swansea University, with a particular focus on teaching through the medium of Welsh. I have been awarded the Katia and Maurice Krafft Award for my work on the British Sign Language Glossary Project, with colleagues from the ...[Read More]
Imaggeo on Mondays: Moonrise at Kata Tjuta
This is a high-dynamic-range (HDR) photograph of moonrise over the hills of Kata Tjuta in central Australia. The HDR technique allows details to be seen in the deep shadows and well as in the brighter parts of the image. Kata Tjuta (formerly known as The Olgas) means ‘many heads’ in the Pitjantjatjara language, spoken by the local Anangu people. The location is approximately 360 km SW of the ...[Read More]