GeoLog

Grand Canyon

Artificial floods: Restoring the ecological integrity of rivers

Artificial floods: Restoring the ecological integrity of rivers

“You can never step into the same river, for new waters are always flowing on to you.” —Heraclitus of Ephesus Rushing rivers, with their unremitting twists and turns and continuous renewal, are often used as a metaphor for life, but the analogy is just as appropriate for scientific research, I reflected as I walked along the banks of a sparkling, turquoise-blue river in the heart of th ...[Read More]

The best of Imaggeo in 2015: in pictures

The best of Imaggeo in 2015: in pictures

Last year we prepared a round-up blog post of our favourite Imaggeo pictures, including header images from across our social media channels and Immageo on Mondays blog posts of 2014. This year, we want YOU to pick the best Imaggeo pictures of 2015, so we compiled an album on our Facebook page, which you can still see here, and asked you to cast your votes and pick your top images of 2015. From the ...[Read More]

Imaggeo on Mondays: The Grand Canyon and celebrating Earth Science Week

Imaggeo on Mondays: The Grand Canyon and celebrating Earth Science Week

Today marks the start of Earth Science Week – a yearly international event which aims to help the public gain a better understanding and appreciation for the Earth Sciences. The event is promoted by the American Geosciences Institute and the Geological Society of London, amongst others, so be sure to head to their websites to find out more. Our Imaggeo on Monday’s image celebrates Earth Science We ...[Read More]

Imaggeo on Mondays: Layers of leg-like sandstone

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]