Bedrock tapping map (IMAGE)

University of Texas at Austin

Bedrock tapping map

Caption

The spatial extent of annual bedrock water withdrawal by woody plants in the continental United States. Colored areas encompass the extent of woody vegetation where bedrock is encountered within the upper 1.5 meters. This area is divided into four colors corresponding to bedrock water withdrawal. Areas in green were tapped each year of the study; Areas in pink were tapped some years; Areas in black do not need to have been tapped to explain tree water usage; and areas in gray were excluded from the study.

Credit

McCormick et al.

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