ice cores

Submitted by Phyllis Hello Scientists: I am wondering about the purity of the oldest water that makes up the oldest glaciers. That is, if a very old (pre-Homo-sapiens) sample of ice is taken from a glacier in Antarctica, what is found in there? It’s not salty, I would guess, but is it extremely pure? Does …

How pure is the oldest ice water? Read More »

Question: how cold do we need to keep ice cores to save the data? Submitted by Kettaashano Hi Kettaashano, Thank you for a very interesting question! The world’s major ice core storage facilities, such as the National Science Foundation Ice Core Facility, store ice cores in large freezers at a temperature of around -36°C. Often, …

What temperatures are ice cores stored at? Read More »