GeoLog

Atmospheric gravity waves

Imaggeo on Mondays: Measuring the wind direction

October 2, 2017
Imaggeo on Mondays: Measuring the wind direction
Measuring the wind direction. Credit: Andrew Moss (distributed via imaggeo.egu.eu).

Remote, rugged, raw and beautiful beyond measure, the island of South Georgia rises from the wild waters of the South Atlantic, 1300 km south east of the Falkland Islands. The Allardyce Range rises imposingly, south of Cumberland Bay, dominating the central part of the island. At its highest, it towers 2935 m (Mount Paget) above the surrounding landscape. In the region of 150 glaciers carve their ...[Read More]

Imaggeo on Mondays: Atmospheric gravity waves

April 10, 2017
Imaggeo on Mondays: Atmospheric gravity waves
Atmospheric gravity waves . Credit: Jorge Magalhaes and Jose da Silva (distributed via imaggeo.egu.eu)

From the tiny vibrations which travel through air, allowing us to hear music, to the mighty waves which traverse oceans and the powerful oscillations which shake the ground back and forth during an earthquake, waves are an intrinsic part of the world around us. As particles vibrate repeatedly, they create an oscillation, which when accompanied by the transfer of energy, creates a wave.  The way in ...[Read More]