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

Stream Name: HASTINGS CREEK Survey Date: 2017-08-17
Organization Name: North Shore Streamkeepers Project Name: Baseline 2017
Stream Segment #: 1 Stream Section #: 3
Data entered by: ZoAnn Morten Survey ID: 70

Step 1. Benchmark Location

Directions to Benchmark: Between the 2 bridges at Ross Road by DNV outfall

Step 2. Cross-Sectional Survey

Latitude: 49.33590 Longitude: -123.03000
Location relative to benchmark: at benchmark Photos Taken? yes
Bankfull Channel Width: 5.40 Average Bankfull Depth: 23.13
Wetted Channel Width: 3.00 Average Wetted Depth: 2.40
Measurements taken every 0.50 metres Number of measurements taken: 15

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

Left Bank 0.10 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.30 0.00 0.00 0.00 Right Bank
Wetted Depth 0.00 0.00 0.50 5.50 8.00 9.50 8.00 4.50 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Wetted Depth
Bankfull Depth 11.00 25.00 29.00 36.00 40.00 44.00 42.00 38.00 30.00 32.00 0.00 9.00 0.00 0.00 0.00 Bankfull Depth

Step 3. Stream Discharge

Cross-sectional area of wetted stream (m2)
Discharge Wetted Width: 3.000 Discharge Average Depth: 0.060 = 0.180
Average Time (sec)
34.000 40.000 38.000 31.000 34.000 177 35.40
Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Total Trials / 5 Average Time
Average Velocity (sec)
6.000 35.40 0.169
Length (m) Average Time (sec) Average Velocity (m/sec)
Average Stream Discharge (m3/sec)
0.180 0.169 x 0.8 0.024
Cross sectional area (m2) Average velocity (m/sec) correction factor Discharge (m3/sec)