GeoLog

Geomorphology

Geosciences Column: Pollen tells a 7300 year old story of Malta’s climate and vegetation

July 1, 2016
Geosciences Column: Pollen tells a 7300 year old story of Malta’s climate and vegetation
Birch pollen by Per Harald of NTNU, Faculty of Natural Sciences and Technology. Distributed via Flickr .

Figuring out what the climate was like, and how it changed, throughout Earth’s history is like trying to complete a 1000 piece puzzle. Except that scientists usually don’t have all the nuggets and building a comprehensive picture relies on a multidisciplinary approach in order to fill in the blanks. This is particularly true during the Holocene, which spans the last 11,700 years of the Earth’ ...[Read More]

Imaggeo on Mondays: A sunrise over Kelimutu’s three-colour lakes

June 20, 2016
Imaggeo on Mondays: A sunrise over Kelimutu’s three-colour lakes
A Kelimutu sunrise . Credit: Danielle Su (distributed via imaggeo.egu.eu)

Volcanoes are undeniably home to some of the most beautiful landscapes on Earth. It doesn’t take much imagination to picture slopes of exceedingly fertile mineral rich soils, covered in lush vegetation; high peaks punching through cloud cover offering stunning vistas and bubbling pools of geothermally warmed waters were one can soak ones worries away. What about strikingly coloured crater lakes? Y ...[Read More]

Imaggeo on Mondays: Storm on the Rock

May 30, 2016
Imaggeo on Mondays: Storm on the Rock
Storm on the rock. Credit: John Clemens (distributed via imaggeo.egu.eu)

This is a photograph of Uluru, in the Northern Territory of Australia, on a hot and humid summer afternoon. As lightning flashed about, torrential rains swept across the landscape and silver rivulets of water began to rush down the sides of the mountain. Uluru is made of red-coloured Proterozoic arkosic sandstones, a coarse grained lithology rich in quartz and feldspars. However, on rare days such ...[Read More]

Imaggeo on Mondays: Moving images – Photo Contest 2016

May 23, 2016

Since 2010, the European Geosciences Union (EGU) has been holding an annual photo competition and exhibit in association with its General Assembly and with Imaggeo – the EGU’s open access image repository. In addition to the still photographs, imaggeo also accepts moving images – short videos – which are also a part of the annual photo contest. However, 20 or more images have to be submitted ...[Read More]