GeoLog

Imaggeo

Imaggeo on Mondays: Plate it up – a recipe for sea ice errors

Last week, a team of cryospheric scientists published a paper in The Cryosphere that showed how tiny plates of ice can lead to spurious estimates of sea ice thickness. This week, we’re featuring their findings, as well as some spectacular sea ice images in the latest in our Imaggeo on Mondays series… Viewing the poles from above is a stunning sight – a seemingly endless expanse of bril ...[Read More]

Imaggeo on Mondays: Soil and water conservation in the Dogon Plateau, Mali

Velio Coviello, a scientist from the Research Institute for Hydrogeological Protection, Italy, and one of the winners of the EGU 2014 Photo Contest, brings us this week’s Imaggeo on Mondays. He sheds light on his winning image and the problems associated with conserving soils and water in Western Africa…  This picture was taken on Mali’s Dogon plateau during the dry season, in the course of a late ...[Read More]

Imaggeo on Mondays: Long-lived lakes have a lot to tell

The world’s oldest, deepest freshwater lake lies in southeast Siberia: Lake Baikal. Stretching some 600 kilometres across the Russian landscape, Baikal marks what the very early stages of a new ocean – an ancient rift that cleaved the centre of Asia apart throughout the Palaeozoic, Mesozoic and Cenozoic. Today, there are still signs of tectonic activity and the rift continues to diverge 4 mm furth ...[Read More]

Imaggeo on Mondays: Quartz lawns and crystal flowers

Petrologists spend a large part of their time peering down microscopes at wafer thin slices of rock to work out what they’re made of and how they were formed. What lies on the other side of the lens can be an incredibly beautiful pattern, a kaleidoscope of colour, or stark bands of black and white, all of which provide clues to the rock’s history, and the history of the landscape it came from. Ber ...[Read More]