Natural Hazards

Imaggeo on Mondays: Hole in a hole in a hole…

Olivia Trani October 29, 2018

Hole in a hole in a hole.. Credit: Djamil Al-Halbouni (distributed via imaggeo.egu.eu)

This photo, captured by drone about 80 metres above the ground, shows a nested sinkhole system in the Dead Sea. Such systems typically take form in karst areas, landscapes where soluble rock, such as limestone, dolomite or gypsum, are sculpted and perforated by dissolution and erosion. Over time, these deteriorating processes can cause the surface to crack and collapse. The olive-green hued sinkho ...[Read More]

GeoPolicy: the EU’s Bioeconomy Strategy – what is it and how is it linked with geoscience?

Chloe Hill October 26, 2018

Europe's bioeconomy. Source: europa.eu/!HR84cV

What is the bioeconomy? Global threats such as climate change, ocean acidification, land degradation and an ever-expanding population means that it’s essential for us to reduce our environmental impact while still meetings our demand for food, resources and energy. The bioeconomy covers all sectors and systems that rely on biological resources and their functions including renewable biological re ...[Read More]

Geosciences Column: How climate change put a damper on the Maya civilisation

Olivia Trani October 25, 2018

Overview of the central plaza of the Maya city of Palenque (Chiapas, Mexico), one of the many remnants of the Maya civilisation. (Credit: Jan Harenburg via Wikimedia Commons)

More than 4,000 years ago, when the Great Pyramid of Giza and Stonehenge were being built, the Maya civilisation emerged in Central America. The indigenous group prospered for thousands of years until its fall in the 13th century (potentially due to severe drought). However, thousands of years before this collapse, severely soggy conditions lasting for many centuries likely inhibited the civilisat ...[Read More]

September GeoRoundUp: the best of the Earth sciences from around the web

Olivia Trani October 5, 2018

Astronaut Ricky Arnold, from aboard the International Space Station, shared this image of Hurricane Florence on Sept. 10. Credit: NASA.

Drawing inspiration from popular stories on our social media channels, major geoscience headlines, as well as unique and quirky research, this monthly column aims to bring you the latest Earth and planetary science news from around the web. Major stories This month has been a whirlwind of Earth and space science news; the majority focusing on natural hazards. Powerful cyclones, earthquakes, and ts ...[Read More]