Two ice cores from Antarctica. In the core in the foreground, gas bubbles are visible. The core in the background contains a volcanic ash layer. Photo by Karin Kirk. Originally uploaded in Cutting Edge:Topics:Climate Change:Workshop 08.
Image 12160 is a 632 by 400 pixel JPEG Uploaded:
Provenance Karin Kirk, Independent Educational Consultant
Reuse This item is offered under a Creative Commons Attribution-NonCommercial-ShareAlike license http://creativecommons.org/licenses/by-nc-sa/3.0/ You may reuse this item for non-commercial purposes as long as you provide attribution and offer any derivative works under a similar license.