GeoSphere

Climate

Geology Photo of the Week #45

This weeks photo is once again related to permafrost and the Arctic….something tells me I miss being there. Anyway, the gorgeous photo below shows a terrific example of polygonal patterned ground from Siberia. Patterned ground is a phenomenon that occurs frequently in cold regions and is caused by the seasonal freeze-thaw of the active layer/soil. This process can produce a phenomenon called ...[Read More]