Image: Glaciers and mountains in West Antarctica

Image: Glaciers and mountains in West Antarctica
Credit: NASA/Michael Studinger

Glaciers and mountains in the evening sun are seen on an Operation IceBridge research flight, returning from West Antarctica on Oct. 29, 2014.

NASA is carrying out its sixth consecutive year of Operation IceBridge research flights over Antarctica to study changes in the continent's ice sheet, glaciers and sea ice. This year's airborne campaign revisits a section of the Antarctic ice sheet that recently was found to be in irreversible decline.

IceBridge uses a suite of instruments that includes a laser altimeter, radar instruments, cameras, and a gravimeter, which is an instrument that detects small changes in gravity. These small changes reveal how much mass these glaciers have lost. Researchers plan to measure previously unsurveyed regions of Antarctica, such as the upper portions of Smith Glacier in West Antarctica, which is thinning faster than any other glaciers in the region. The mission also plans to collect data in portions of the Antarctic Peninsula, such as the Larsen C, George VI and Wilkins ice shelves and the that drain into them. The Antarctic Peninsula has been warming faster than the rest of the continent.

In addition to extending the data record of NASA's Ice, Cloud and Land Elevation Satellite (ICESat), which stopped collecting data in 2009, IceBridge will also help set the stage for ICESat-2 by measuring ice the satellite will fly over.


Explore further

NASA begins sixth year of airborne Antarctic ice change study

Provided by NASA
Citation: Image: Glaciers and mountains in West Antarctica (2014, November 4) retrieved 18 August 2019 from https://phys.org/news/2014-11-image-glaciers-mountains-west-antarctica.html
This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only.
0 shares

Feedback to editors

User comments

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more