Monday, November 24, 2008

Water Chemistry Survey #2 and Discharge (Flow) data

La Russell Stream Team #2945 members completed their 1st Stream Discharge calibrations and 2nd Water Chemistry Survey. The Stream Discharge (flow) was completed after measuring the width of the river (62') and taking water depth measurements every 2 feet (average 1.19') and conducting 'velocity' measurements at 10 different locations across the river (average float time 6.40 seconds). We calculated Stream Discharge of 103.9 cubic feet per second. The USGS #07185700 equipment recorded the flow rate of 109 cu ft/second.

The Water Chemistry Survey results were: air temperature 11 C; water temperature 8 C; Dissolved Oxygen 16 mg/L, and 135% saturation; pH 8.6; Nitrate 4.0 mg/L; Conductivity 420; and turbidity 10. If you are interested in participating in the next water quality survey, just let us know.

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