GeoLog

Imaggeo on Mondays

Imaggeo on Mondays: A thermal inversion

Imaggeo on Mondays: A thermal inversion

This week’s Imaggeo on Mondays image is brought to you by Cyril Mayaud, from the University of Graz (Austria), who writes about an impressive hike and layers of cold and warm air. Thermal inversion is a meteorological phenomenon which occurs when a layer of cold air is trapped near the Earth’s surface by an overlying layer of warmer air. This can happen frequently at the boundary between mountaino ...[Read More]

Imaggeo on Mondays: Foehn clouds

This week’s post is brought to you by Stefan Winkler, a Senior Lecturer in Quaternary Geology & Palaeoclimatology, who explains how the mountain tops of the Southern Alps become decorated by beautiful blanket-like cloud formations. The Sothern Alps of New Zealand are a geoscientifically dynamic environment in all aspects. They are arguably one of the youngest high mountain ranges in the ...[Read More]

Imaggeo on Mondays: Colourful hydrovolcanism

Imaggeo on Mondays:  Colourful hydrovolcanism

Like in a beautiful painting, layers of colour adorn the flanks of this volcano. In this week’s Imaggeo on Monday’s post, Stephanie Flude describes how these colourful layers came to be and gives an insight into why she became a geologist. What inspired you? Share your reasons for becoming a geoscientist with us in the comment section or via twitter using the hashtag #WhyGeo! “Why do you want to s ...[Read More]

Imaggeo on Mondays: Finger Rock

Finger

Standing proud amongst the calm waters of Golovnina Bay is ‘The Devil’s Finger’, a sea stack composed of volcanic sediments. Located on the Pacific coast of Kunashir Island -which is controlled by Russia but claimed by Japan – the stack is testament to the volcanic nature of the region. The island itself is formed of four active volcanoes which are joined together by low-lying geothermally active ...[Read More]