GeoLog

soil system science

Imaggeo on Mondays: Namibia’s mysterious fairy circles

July 9, 2018
Imaggeo on Mondays: Namibia’s mysterious fairy circles
The mysterious fairy circles. Credit: Hezi Yizhaq (distributed via imaggeo.egu.eu)

The grassy Namibian desert is pock-marked with millions of circular patches of bare earth just like these shown in the picture between linear dunes. Viewed from a balloon, they make the ground look like a moonscape. Commonly known as fairy circles, the patches range from two to 12 metres across and appear in a 2000 kilometre strip that stretches from Angola to South Africa. For many decades, the f ...[Read More]

Imaggeo on Mondays: The soil in your veg patch

October 26, 2015
Imaggeo on Mondays: The soil in your veg patch
Gardens for vegetables production depend on the soil quality. Credit: Artemio Cerdá (distributed via imaggeo.egu.eu)

Do a search for images of dirt in Google and you might be surprised to find that the vast majority of returned images are of a substance that we ought to be protecting and treasuring, rather than dismissing as something unclean and without value: soil. It’s not the first time we’ve featured this precious resource on GeoLog recently, remember that post about soil in art? It’s not without reason eit ...[Read More]