Layers in Lake Sediment (IMAGE)
Caption
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, landscape evolution, climate and even political events can be traced.
Credit
Achim Brauer/GFZ
Usage Restrictions
Credit must be given to the creator.
License
CC BY