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Fog Drip

CSEF · 2003 Earth Sciences/ Planetary Sciences/ Physical Environments

Ian M. Bergman · Woodside Elementary School, Woodside

Overview

Objectives/Goals The objective was to find out how much water a Douglas fir tree can pull from fog and turn to drip during the coastal fog season. Methods/Materials For seven months I measured the amount of water a Douglas fir tree pulled from fog and turned to drip. I placed a rain gauge beneath the Douglas fir and one in the open. I measured them every day from April to October, which is the fog season. Results The Douglas fir created 28.2 inches of water from the fog during a period of time in which 2.8 inches of rain fell. Conclusions/Discussion My conclusion is that the Douglas fir pulled 28.2 inches of water to the ground and it created 10 times more water than rain.

Summary statement

My project is to determine the amount of water a Douglas fir tree can pull from fog and turn to drip.

Help received

My mom reminded me to measure the rain gauge everyday. My brother helped make the graphs. My dad helped find information for my research report.

Competition history

  • CSEF 2003 Earth Sciences/ Planetary Sciences/ Physical Environments · Entry J0601

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