Tree core (IMAGE)

University of Texas at Austin

Tree core

Caption

Researchers pull a fresh wood core from a bald cypress tree growing along Waller Creek. An analysis of growth rings in the core revealed that the Waller Creek trees have always had a dependable water supply. This finding suggests that Waller Creek has long been a conduit for water leaking from surrounding pipes. 

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The University of Texas at Austin Jackson School of Geosciences

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