Located just southeast of Bergen on the Norwegian Atlantic coast, Hardangerfjorden is the third longest fjord in the world, measuring more than 170 km from the Atlantic Ocean to the Hardangervidda mountain plateau. Its longest branch, Sørfjorden, cuts 50 km from the main fjord and ends at Odda. Geormorphologist Martin Mergili visited the area in 2008, following the 33rd International Geological Co ...[Read More]
Geosciences Column: Promise and challenges of space elevators for tourism
From Star Trek to Arthur C. Clarke, machines that carry humans into space inside a cable-driven chamber – space elevators – have remained in the realm of science fiction. However, recently a Japanese construction company revealed it has aspirations to actually build such a device, claiming it could be operational as early as 2050. Despite assurances from its backers, the project remains scientific ...[Read More]
Imaggeo on Mondays: Open pit in Mirny, Siberia
This former open-pit diamond mine is currently the second largest excavated hole in the world. After diamond was discovered in there in 1955, the area became the first and largest diamond mine in the Soviet Union, producing up to 2,000 kg of diamond per year during the 1960s. Its surface operations continued until 2001 and the mine was permanently shut in 2011. This photo was taken on 22 July 2008 ...[Read More]
Imaggeo on Mondays: Seeing double
On 6 September 2009, monsoon clouds had built up throughout the day over the Donggi Cona lake in central China. Janneke IJmker, now a researcher at Deltares in the Netherlands, was doing fieldwork there as part of her PhD at RWTH Aachen University in Germany. By dinner time, the sun shone on raindrops from the clouds producing a magnificent double rainbow over the lake, which IJmker captured with ...[Read More]