Biogeosciences

Imaggeo on Mondays: Measuring the wind direction

Laura Roberts-Artal October 2, 2017

Measuring the wind direction. Credit: Andrew Moss (distributed via imaggeo.egu.eu).

Remote, rugged, raw and beautiful beyond measure, the island of South Georgia rises from the wild waters of the South Atlantic, 1300 km south east of the Falkland Islands. The Allardyce Range rises imposingly, south of Cumberland Bay, dominating the central part of the island. At its highest, it towers 2935 m (Mount Paget) above the surrounding landscape. In the region of 150 glaciers carve their ...[Read More]

Record-setting forest fires in 2017 – what is to blame?

Robert Emberson September 28, 2017

Styggkärret reserve burning fire . Credit: Ylvers , distributed via Pixabay .

Forest fires have once again seized the public consciousness in both Europe and North America. Extreme drought and temperatures contributed to a tinderbox in many forests, and have led to deadly fires across Europe and record-breaking, highly disruptive fires in the USA and Canada, from where I’m currently writing. A simple way to understand fire is by thinking about the fire triangle – the three ...[Read More]

GeoSciences Column: Catch of the day – what seabirds can tell us about the marine environment

Laura Roberts-Artal September 22, 2017

An adult northern gannet mid-flight . Credit: Andreas Trepte , distributed via Wikimedia Commons .

Off the coast of Germany, a male northern gannet (for ease, we’ll call him Pete) soars above the cold waters of the North Sea. He’s on the hunt for a shoal of fish. Some 40km due south east, Pete’s mate and chick await, patiently, for him to return to the nest with a belly full of food. Glints of silver just below the waves; the fish have arrived. Pete readies himself. Body rigid, wings tucked in ...[Read More]

Imaggeo on Mondays: A prehistoric forest

Laura Roberts-Artal September 11, 2017

1.6 hectares of wilderness. Give me more . Credit: Vytas Huth (distributed via imaggeo.egu.eu)

This stunning vista encompasses the south-western wilderness of Tasmania as seen from the Tahune air walk 60 m above the Huon river valley. In front lies the beginning of a huge UNESCO World Heritage Site, covering almost a fourth of the area of Tasmania. The site mostly consists of a pristine, temperate rainforest of Gondwanan origin that is home to the tallest flowering trees in the world; Eucal ...[Read More]