Imaggeo on Mondays

Imaggeo on Mondays: Journey to Bolivia’s Laguna Negra

Olivia Trani November 25, 2019

Laguna Negra, Salar de Uyuni, Bolivia. Credit: Katleen Wils (distributed via imaggeo.egu.eu).

This week’s featured photo showcases one of the most geologically diverse landscapes of South America: the Altiplano, the high plateau of the Andes. This plateau covers roughly 200,000 square kilometres in central South America, stretching from southern Peru to northern Argentina. The high-elevation plain sits between the eastern and western chains of the Central Andes and is home to a myriad of n ...[Read More]

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]

Imaggeo on Mondays: Civita di Bagnoregio – the dying town

Elenora van Rijsingen November 11, 2019

Civita di Bagnoregio - The Dying Town. Credit: Elenora van Rijsingen (distributed via imaggeo.egu.eu)

On top of a steep cliff standing out from the surrounding countryside, lies the small town of Civita di Bagnoregio, one of the most famous villages of Italy. It is often called the dying town, although more recently people have started to refer to it as fighting to live. What this little town is fighting against is the threat of erosion, as its walls are slowly crumbling down. Located in central I ...[Read More]

Imaggeo on Mondays: Rocks weather, soil takes form

Alwyn Biju November 4, 2019

Weathering of Rock - Soil Formation. Credit: Alwyn Biju (distributed via imaggeo.egu.eu).

This image depicts the soil formation, that is weathering of rock. Soil is actually formed by weathering of rock by physical, chemical and biological methods. This image depicts physical and biological weathering. Physical weathering by the action of temperature and biological weathering by the growth of some species of grass through the cracks. Image clicked from Trivandrum district of Kerala, In ...[Read More]