Sediments from the bottom of lakes are often layered. The individual layers, called warves, preserve information from the past and can be "read" like tree rings. By identifying pollen or ashes ...
Professor Russel Kuhel at The School of Freshwater Sciences of UW-Milwaukee says less ice for less time means the bottom and ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback