Tinted detail of a photo: Weathered limestone cliff built of hundreds of thin stacked layers like a pile of pancakes, grey at the top and orange-brown below, with a small dark pool in a hollow.
CL
Climate: Past, Present & Future

ice sheets

Reconstructing ice sheets and topography of the past

Reconstructing ice sheets and topography of the past

  One of the most profound consequences of past climate changes are the geologically rapid (<100,000 year) changes in global topography. For thousands of years, large ice sheets, similar to what currently exists in Greenland and Antarctica, waxed and waned on North America and Europe. Only 20,000 years ago, if you were sitting in the …[Read More]