Hydrological Sciences

Imaggeo on Mondays: Great sand dunes and beyond

Meriel J. Bittner November 18, 2019

Great Sanddunes and beyond. Credit: Meriel J. Bittner (distributed via imaggeo.egu.eu)

Driving eastwards through the San Luis Valley in south central Colorado, United States, the Great Sand Dunes emerge at the foot of the Sangre de Cristo Range in the northeast of the region’s upland plain. The origin story of these great dunes begins during a time of glacial melt, five to three million years ago, when the rivers of the surrounding mountains filled the basin with water and sediments ...[Read More]

Educators: apply now to take part in the 2020 GIFT workshop!

Olivia Trani October 16, 2019

EGU General Assembly 2019 GIFT Workshop Practical questions, making people think (Credit: EGU/Foto Pfluegl)

The General Assembly is not only for researchers but also for teachers and educators with an interest in the geosciences. Every year the Geosciences Information For Teachers (GIFT) workshop is organised by the EGU Committee on Education to bring first class science closer to primary and high school teachers. The topic of the 2020 edition of GIFT is ‘Water in the solar system’. This year’s workshop ...[Read More]

Imaggeo on Mondays: The polje between sky and Earth

Cyril Mayaud September 23, 2019

The polje between sky and earth. Credit: Cyril Mayaud (distributed via imaggeo.egu.eu).

Poljes are one of the most impressive features existing in karst landscapes. These large flat closed depressions are prone to regular flooding that can form temporary lakes on their surface. Planinsko Polje [in Slovenia] is surely the most famous example of polje existing. The highest floods can reach up to 8 metres above the gauging station and last for more than two months. The lake is then more ...[Read More]

Imaggeo on Mondays: A lifeline between light and shadow

Florian Konrad September 9, 2019

A Lifeline Between Light and Shadow. Credit: Florian Konrad (distributed via imaggeo.egu.eu)

The Rapaälven making its way through the Rapadalen valley in Northern Sweden. After over a week of hiking through pure wilderness I reached the summit of Skierffe together with three friends. We were just blown away by the view and completely in awe for the beautiful shape of the rivers course… little lakes in between river channels of different sizes as well as dense vegetation forming a ha ...[Read More]