Photo: Wikimedia Commons / CC BY-SA 2.0 Powerful ditch under the cover of Antarctica
Powerful trench – deeper than the Grand Canyon – found under the ice of Antarctica, scientists, thanks to the satellite and radar. Communicate this to the “Geological Society of America Bulletin.”
Source: Flickr (CC BY-SA 3.0) topography of Antarctica
British scientists are working on a map Ellsworth Mountains – formed millions of years ago the mountain chain which lies in West Antarctica under several kilometers of ice. For three seasons exploring this part of the continent and its plotting maps, using data provided by the satellites and from the special radar, towed behind the vehicle on the tires or placed on board the light planes.
Deep discovery
the way these works have figured out that the glacier cover also hides a huge valley, deep and 3 km long at over 300 km and 25 km wide. In some places the bottom of the valley is more than 2 km lower than sea level.
Both the mountain range and the valley formed millions of years ago. The new analysis provides new information on the extent, thickness and dynamics of ancient ice field, through which they originated, as well as on the history of the West Antarctic glacier.Views from Space
The discovery of this massive ditch and characterization of the surrounding mountain landscape is incredible coincidence – admits lead author Dr. Neil Ross from Newcastle University, quoted on the website of the University. – With penetrating radar ice we obtained data from both ends of the great, hidden valleys. But we had information to determine what is between them. Helped fill the gap, however, the satellite data. Although the valley covers several kilometers of ice, it is so vast that it can be seen from space.The unknown
Earth
According to Dr. Ross is a discovery shows how little we still know about the surface of our own planet. – Discovering and exploring hitherto unknown landscapes is still possible, and wildly exciting. Even today, – he added.
Author: pw / jk / Source: PAP
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