Module 2 Bechmark Location, Cross-sectional Survey, Stream Discharge

Stream Name: MCMILLAN CREEK Survey Date: 2015-09-15
Organization Name: Prince George Streamkeepers Project Name: Streamkeepers Traini
Stream Segment #: Stream Section #:
Data entered by: ZoAnn Morten Survey ID: 51

Step 1. Benchmark Location

Directions to Benchmark: At McMillan Creek Fishing Parking parking lot, head northwest to small trail from picnic tables

Step 2. Cross-Sectional Survey

Latitude: 53.92870 Longitude: -122.76600
Location relative to benchmark: @ Photos Taken? yes
Bankfull Channel Width: 4.05 Average Bankfull Depth: 22.70
Wetted Channel Width: 1.85 Average Wetted Depth: 12.00
Measurements taken every 0.50 metres Number of measurements taken: 11

First and Last Measurements Taken .1m from the streambank edge

Left Bank 0.10 0.20 0.50 1.00 1.50 1.75 2.00 2.50 3.00 3.50 3.95 Right Bank
Wetted Depth 10.00 11.00 14.00 17.00 9.00 1.00 Wetted Depth
Bankfull Depth 22.00 25.00 24.00 34.00 28.00 23.00 15.00 12.00 17.00 5.00 Bankfull Depth

Step 3. Stream Discharge

Cross-sectional area of wetted stream (m2)
Discharge Wetted Width: 1.850 Discharge Average Depth: 0.100 = 0.185
Average Time (sec)
23.700 14.900 21.000 14.700 16.100 90.4 18.08
Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Total Trials / 5 Average Time
Average Velocity (sec)
8.000 18.08 0.442
Length (m) Average Time (sec) Average Velocity (m/sec)
Average Stream Discharge (m3/sec)
0.185 0.442 x 0.8 0.065
Cross sectional area (m2) Average velocity (m/sec) correction factor Discharge (m3/sec)