Nothing better characterises the wild US West than endless landscapes of red hoodoos, spires of rock protruding from the bottom of an arid drainage basin or badland. Found mainly in desert and dry, hot areas, hoodoos are distinctive from similarly-shaped formations, such as spires or pinnacles, because their profiles vary in thickness throughout their length. Their distinctive colour bands are the ...[Read More]
Imaggeo on Mondays: Amazonian floodplain
After the Nile, the Amazon River is the second longest river in the world and, by releasing up to 300,000 cubic metres per second into the Atlantic Ocean, accounts for approximately one-fifth of the planet’s total river flow. The river and its tributaries are characterised by extensive annual flooding of over 350,000 square kilometres of forested areas. Floodplain water levels may exceed 9m. Not a ...[Read More]
Imaggeo on Mondays: Storm in Mount Waddington
This week’s Imaggeo on Mondays is brought to you by the photographer herself, Marion Bisiaux (now at Stendhal University, Grenoble, France), who tells us about her exciting field trip to the British Columbia’s Coast Range. This picture was taken during the Waddington Range Ice Core Project in which I participated during my PhD at the University of Nevada, Reno, US and at the Desert Research Instit ...[Read More]
Imaggeo on Mondays: Irish coast
Among geoscientists, the beautiful island of Ireland is best known for its Giant’s Causeway, an area with some 40,000 polygonal columns of layered basalt that formed 60 million years ago as a result of a volcanic eruption. But another recognisable feature of the Emerald Isle, is its lush green vegetation, a product of the island’s mild climate and frequent rainfall. It was on a rare sunny day of a ...[Read More]