GeoLog | sand

Imaggeo On Monday: Yardangs in the Gobi desert

Jonathan D. Müller May 24, 2021

Yardangs in the Gobi desert. Credit: Jonathan D. Müller (distributed via imaggeo.egu.eu)

Seeing the Yardang rock formations during sunset was a surreal experience. While they seem to have be standing in a sea of water that formed them, the fluid dynamics that actually lead to their existence is the result of wind abrasion by dust and sand and the removal of loose material by wind turbulence. The air flow and resulting pattern of erosion and the distribution of rocks determines their s ...[Read More]

Imaggeo On Monday: Tides at Young Sound

Maria Scheel May 10, 2021

Tides at Young Sound. Credit: Maria Scheel (distributed via imaggeo.egu.eu)

The work of the autumn tides at Young Sound, Northeast Greenland, created a fine sand artwork just before the freezing in of the fjord with the approaching winter. Due to the changing sediment of the nearby Zackenberg river, the local coastal erosion is an object of great recent investigations. Description by Maria Scheel, after the description on imaggeo.egu.eu. Imaggeo is the EGU’s ...[Read More]

Imaggeo On Monday: Great Sand Dunes Sunset

John Counts November 23, 2020

Great Sand Dunes Sunset . Credit: John Counts (distributed via imaggeo.egu.eu)

On a late afternoon in Colorado’s Great Sand Dunes, the sun came out from behind the clouds for a brief moment before it went behind the horizon, illuminating the stoss side of an eroding dune. Sand originated from lacustrine deposits in the San Luis Valley; the Sangre de Cristo mountains, which can be seen in the background, provided a source of some of the sand. This image therefore illust ...[Read More]

May GeoRoundUp: the best of the Earth sciences from around the web

Laura Roberts-Artal June 7, 2017

French Foreign Minister Laurent Fabius - President of the COP21 climate change conference - bangs down the gavel on December 12, 2015, after representatives of 196 countries approved a sweeping environmental agreement during a multinational meeting at LeBourget Airport in Paris, France. Credit: U.S. Department of State from United States [Public domain], distributed by Wikimedia Commons

Drawing inspiration from popular stories on our social media channels, as well as unique and quirky research news, this monthly column aims to bring you the best of the Earth and planetary sciences from around the web. Major Story In the last couple of weeks of May, the news world was abuzz with the possibility of Donald Trump withdrawing from the Paris Agreement. Though the announcement actually ...[Read More]