Layers in Lake Sediment (IMAGE)

GFZ GeoForschungsZentrum Potsdam, Helmholtz Centre

Layers in Lake Sediment

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

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