This week’s Imaggeo on Mondays is brought to you by Joanna Nield, a lecturer in physical geography at the University of Southampton. Nield explains how volcanic eruptions can impact glaciers and how ash fall can both accelerate and slow down glacial melt… This photo was taken at Fjallsjökull, Iceland in July 2011, shortly after the eruption of Grímsvötn volcano (21 – 30 May 2011). The Gríms ...[Read More]
Imaggeo on Mondays: Flying over flysch
In this week’s Imaggeo on Mondays, Ian Watkinson transports us to the Sulaiman Mountain Range and shows why it’s always worth bringing a camera in your hand luggage… This image is the view from the window of a plane crossing the Pakistan-Afghanistan border close to Zhob. I took it just before the weather closed in on a clear crossing of the Indus valley foreland and the entire Sulaiman Mountain ...[Read More]
Imaggeo on Mondays: All kinds of exposure
This photo was taken by Grant Wilson at Arches National Park, Utah, USA. The park is home to more than 2,000 sandstone arches, exposed by years of weathering and the removal of softer rock. They are part of the Entrada Sandstone formation, which was deposited during the Jurassic. “The arches form as ice accumulated in fissures expands and breaks the rock forming fins. Wind and water eroded the fin ...[Read More]
Imaggeo on Mondays: How to forge a fjord
The West Norwegian Fjords are the reference point for fjords around the world. One such fjord is Geiranger, which features in this week’s Imaggeo on Mondays. The geological setting of Geirangerfjord – and its climate – has earned the area a spot on UNESCO’s World Heritage List. During the last ice age, much of northern Europe was glaciated; covered by a large ice sheet known as the Fennoscandian I ...[Read More]