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Geology has shaped the rugged landscape of the Isle of Skye – the largest island of Scotland’s Inner Hebrides archipelago. From the very old Precambrian rocks (approximately 2.8 billion years old) in the south of the island, through to the mighty glaciers which covered much of Scotland as recently as 14,700 years ago, the modestly-sized …[Read More]
Post by Scott Jasechko, Assistant Professor of Water Resources at the University of Calgary, in Canada, and by Debra Perrone, Postdoctoral Research Scholar at Stanford University, in the United States of America. __________________________________________________ Wells are excavated structures, dug, drilled or driven into the ground to access groundwater for drinking, cleaning, irrigating, and cooling. We recently mapped groundwater wells across …[Read More]
This month’s GeoPolicy post is a guest post from Sarah Connors, a Science Officer in the Intergovernmental Panel on Climate Change (IPCC) Working Group 1 Technical Support Unit (and former EGU Science Policy Officer). The IPCC is starting its sixth cycle, in which hundreds of scientists take stock of the world’s climate change knowledge by …[Read More]
Geotalk is a regular feature highlighting early career researchers and their work. In this interview we speak to Jay Shah, a PhD student at Imperial College London, who is investigating the South Atlantic Anomaly, a patch over the South Atlantic where the Earth’s magnetic field is weaker than elsewhere on the globe. He presented some …[Read More]
This guest post is by Dr Grace Shephard, a postdoctoral researcher in tectonics and geodynamics at the Centre of Earth Evolution and Dynamics (CEED) at the University of Oslo, Norway. This blog entry describes the latest findings of a study that maps deep remnants of past oceans. Her open access study, in collaboration with colleagues …[Read More]
The Geodynamics 101 series serves to showcase the diversity of research topics and methods in the geodynamics community in an understandable manner. We welcome all researchers – PhD students to Professors – to introduce their area of expertise in a lighthearted, entertaining manner and touch upon some of the outstanding questions and problems related to their fields. …[Read More]
“Summer break is over, which means we will continue with our Minds over Methods blogs! For this edition we invited Andrew Cross to write about his experiments with a new rock deformation device – the Large Volume Torsion (LVT) apparatus. Andrew is currently working as a Postdoctoral Research Associate in the Department of Earth and …[Read More]
Most of the energy that drives glacier melting comes directly from sunlight, with the amount of melting critically dependent on the amount of solar energy absorbed compared to that reflected back into the atmosphere. The amount of solar energy that is reflected by a surface without being absorbed is called the albedo. A low albedo …[Read More]
A large majority of igneous rocks on Earth are formed by a process known as fractional crystallization (summarized in the diagram below). To understand this process, start by imagining a large liquid magma (melt) body. As we cool the magma, mineral phases become stable and crystals start to form. The newly formed minerals are likely …[Read More]
This week’s “Wit and Wisdom” post is a guest entry by researcher Fabio Crameri from the Centre for Earth Evolution of Dynamics (CEED), University of Oslo. Many of us are guilty of creating figures using the colours of the rainbow in their full glory – it’s bold, exciting, and justifies the golden data contained within, …[Read More]
