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: Arctic cottongrass in Svalbard
In the High Arctic, where vegetation is limited in height, cottongrass stands out as some of the tallest plant species around. This photo shows a wispy white patch of Arctic cottongrass growing amongst other tundra vegetation in the Advent river floodplain of Adventdalen, a valley on the Norwegian archipelago island Svalbard. Svalbard is of particular scientific interest as it is a relatively warm ...[Read More]
Imaggeo on Mondays: Science in the Arctic trenches
Pictured here are climate scientists processing ice core samples in the East Greenland Ice-core Project (EastGRIP) science trench 10 m under the surface of the Greenland ice cap. The trenches of this ice core camp require minimum building materials, utilising giant inflatable balloons that are dug in and covered with snow. The snow is left to compact for a few days, thereafter leaving back an arch ...[Read More]
Imaggeo on Mondays: The breath of our Earth
This picture was taken in the Myvatn geothermal area in southeast Iceland. Seeing the geothermal steam vent in this area while the temperature was -22 degrees Celsius is the best experience in Myvatn. The difference between Iceland’s cold ambient temperature and the released heat from inside the Earth is a really stunning event to see. Iceland is situated in the middle of two tectonic plates (the ...[Read More]