Monitoring river discharge near Mount St. Helens, WA.

Monitoring river discharge near Mount St. Helens, Washington....

Detailed Description

Crews test two methods of measuring discharge of the Muddy River near Mount St. Helens, Washington. The computer and tethered orange float create a vertical discharge profile; the hand-held flow tracker confirms the data. Data collection is becoming more electronic-oriented with periodic confirmation of results by physical observations.

Details

Image Dimensions: 3264 x 2448

Date Taken: