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

Stream Name: MACKAY CREEK Survey Date: 2023-07-22
Organization Name: PSKF Project Name:
Stream Segment #: Stream Section #:
Data entered by: ZoAnn Morten Survey ID: 109

Step 1. Benchmark Location

Directions to Benchmark: -27.7m downstream of the footbridge in Heywood Park by the washrooms / salmon hatchery

Step 2. Cross-Sectional Survey

Latitude: 49.32437 Longitude: -123.10016
Location relative to benchmark: @ Photos Taken? yes
Bankfull Channel Width: 12.30 Average Bankfull Depth: 22.33
Wetted Channel Width: 4.90 Average Wetted Depth: 5.20
Measurements taken every 0.00 metres Number of measurements taken: 15

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

Left Bank 0.10 1.00 2.00 4.00 4.50 5.50 6.00 6.50 7.00 7.50 8.00 8.50 9.00 10.00 12.20 Right Bank
Wetted Depth 0.00 0.00 0.00 0.00 4.00 12.00 13.00 10.00 11.00 13.00 7.00 6.00 2.00 0.00 0.00 Wetted Depth
Bankfull Depth 13.00 12.00 22.00 17.00 24.00 30.00 30.00 27.00 26.00 26.00 23.00 20.00 18.00 15.00 19.00 Bankfull Depth

Step 3. Stream Discharge

Cross-sectional area of wetted stream (m2)
Discharge Wetted Width: 4.900 Discharge Average Depth: 0.090 = 0.441
Average Time (sec)
16.140 19.270 16.380 15.120 22.530 89.44 17.89
Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Total Trials / 5 Average Time
Average Velocity (sec)
10.000 17.89 0.559
Length (m) Average Time (sec) Average Velocity (m/sec)
Average Stream Discharge (m3/sec)
0.441 0.559 x 0.8 0.197
Cross sectional area (m2) Average velocity (m/sec) correction factor Discharge (m3/sec)