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

Stream Name: BROWNE CREEK Survey Date: 2017-09-06
Organization Name: Pearson Ecological Project Name: Project Monitoring
Stream Segment #: Stream Section #:
Data entered by: ZoAnn Survey ID: 74

Step 1. Benchmark Location

Directions to Benchmark: 62.1m upstream of culvert at Browne Creek Wetland trail

Step 2. Cross-Sectional Survey

Latitude: 49.09820 Longitude: -122.01600
Location relative to benchmark: at benchmark Photos Taken? no
Bankfull Channel Width: 3.40 Average Bankfull Depth: 20.13
Wetted Channel Width: 3.15 Average Wetted Depth: 8.43
Measurements taken every 0.50 metres Number of measurements taken: 8

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

Left Bank 0.10 0.50 1.00 1.50 2.00 2.50 6.00 3.30 Right Bank
Wetted Depth 9.00 5.00 3.00 8.00 10.00 6.00 9.00 Wetted Depth
Bankfull Depth 23.00 18.00 15.00 20.00 21.00 16.00 20.00 5.00 Bankfull Depth

Step 3. Stream Discharge

Cross-sectional area of wetted stream (m2)
Discharge Wetted Width: 3.150 Discharge Average Depth: 0.070 = 0.221
Average Time (sec)
12.400 22.400 16.300 15.000 22.800 88.9 17.78
Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Total Trials / 5 Average Time
Average Velocity (sec)
4.000 17.78 0.225
Length (m) Average Time (sec) Average Velocity (m/sec)
Average Stream Discharge (m3/sec)
0.221 0.225 x 0.8 0.040
Cross sectional area (m2) Average velocity (m/sec) correction factor Discharge (m3/sec)