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David Wahl

joined in May 4, 2020

Research Geographer; Associate Adjunct Professor at U.S. Geological Survey; UC Berkeley, USA.

Wahl has 1 break published.

Lake mud reveals the fate of an ancient Maya city

The mud that accumulates at the bottom of lakes contains a rich archive of past environments, in part because it preserves much of what is buried with it. It preserves pollen grains that tell us what plants were growing in the watershed. It also preserves... click to read more

  • David Wahl | Research Geographer; Associate Adjunct Professor at U.S. Geological Survey; UC Berkeley, USA
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Reading time 3.5 min
published on May 4, 2020