WSU Whatcom County Extension

Agriculture in Whatcom County

WSU Whatcom County Extension        

Agricultural Waterways

Images montage of the Agricultural Waterway Buffer Study


In the summer of 2012, four different planted agricultural waterway buffers in Whatcom County, Washington were monitored for air temperature and effective shade.  Buffer areas examined in this study consisted of the following widths: 0 feet (no buffer), 5 feet, 15 feet, 35 feet, and 180 feet.  

Our objective in performing this work was to evaluate planted buffers on agricultural waterways to determine if buffer width influences factors that affect water temperature:

1) Evaluate the effect of riparian buffer width on waterway effective shade (percent reduction of total solar radiation) and,
2) Determine whether planted buffers have a microclimate effect and whether buffer width increases that effect.

The above file is the final report from 2012 activities and represents the culmination of our knowledge to date.




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WSU Whatcom County Extension • 1000 N. Forest St., Bellingham, WA 98225 • (360) 778-5800 •