GeoLog

24 search results for "dust in the desert"

Imaggeo on Mondays: The unique bogs of Patagonia

October 9, 2017
Imaggeo on Mondays: The unique bogs of Patagonia
Oceanic ombrotrophic peatland at the Seno Skyring Fjord, Patagonia, Chile . Credit: Klaus-Holger Knorr (distributed via imaggeo.egu.eu).

Patagonia, the region in southernmost tip of South America, is as diverse as it is vast. Divided by the Andes, the arid steppes, grasslands and deserts of Argentina give way to the temperate rainforests, fjords and glaciers of Chile. Also on the Chilean side are rolling hills and valleys of marshy topography: Patagonia’s bogs. Today, Klaus-Holger Knorr, a researcher at the University of Münster’s ...[Read More]

Artificial floods: Restoring the ecological integrity of rivers

May 31, 2017
Artificial floods: Restoring the ecological integrity of rivers
A local fisherman enjoys a peaceful morning on the Sarine River following an artificial flood. (Credit: Terri Cook)

“You can never step into the same river, for new waters are always flowing on to you.” —Heraclitus of Ephesus Rushing rivers, with their unremitting twists and turns and continuous renewal, are often used as a metaphor for life, but the analogy is just as appropriate for scientific research, I reflected as I walked along the banks of a sparkling, turquoise-blue river in the heart of th ...[Read More]

Imaggeo on Mondays: America’s dead sea

February 13, 2017
Imaggeo on Mondays: America’s dead sea
America's Dead Sea: The Great Salt Lake . Credit: Jennifer Ziesch (distributed via imaggeo.egu.eu).

On the blog today, Jennifer Ziesch, a researcher at the Leibniz Institute for Applied Geophysics, takes us on a tour of the Great Salt Lake, located in the north of Salt Lake City (Utah). Did you know it is one of the largest salt water lakes in the world? The large salt lake and Salt Lake City, named after the lake, lie on a flat plain about 1300 m above sea level. The salt lake is bordered to th ...[Read More]

Geosciences Column: The World’s soils are under threat

July 22, 2016
Geosciences Column: The World’s soils are under threat
Tillage in vineyards with heavy machinery is inducing soil degradation. Utiel, Eastern Spain . Credit: Artemi Cerdá (distributed via imaggeo.egu.eu)

An increasing global population means that we are more dependant than ever on soils. Soils are crucial to securing our future supplies of water, food, as well as aiding adaptation to climate change and sustaining the planet’s biosphere; yet with the decrease in human labour dedicated to working the land, never have we been more out of touch with the vital importance of this natural resource. Now, ...[Read More]