Module 2 Bechmark Location, Cross-sectional Survey, Stream Discharge
| Stream Name: COHO CREEK-MAPLE RID | Survey Date: 2021-06-27 |
| Organization Name: Alouette River Management Society | Project Name: Streamkeeper Trainin |
| Stream Segment #: | Stream Section #: |
| Data entered by: ZoAnn | Survey ID: 104 |
Step 1. Benchmark Location
| Directions to Benchmark: We came in through the small trail off the end of 127th Ave heading towards the Alouette River. We are approx 40 m upstream of the confluence with the Alouette |
Step 2. Cross-Sectional Survey
| Latitude: 49.23368 | Longitude: -122.59894 |
| Location relative to benchmark: @ | Photos Taken? yes |
| Bankfull Channel Width: 4.20 | Average Bankfull Depth: 7.47 |
| Wetted Channel Width: 2.80 | Average Wetted Depth: 1.53 |
| 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 | 4.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | Right Bank | Wetted Depth | 0.00 | 0.00 | 0.00 | 3.00 | 5.00 | 9.00 | 4.00 | 2.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | Wetted Depth |
| Bankfull Depth | 0.00 | 0.00 | 5.00 | 15.00 | 15.00 | 18.00 | 13.00 | 15.00 | 17.00 | 14.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | Bankfull Depth |
Step 3. Stream Discharge
| Cross-sectional area of wetted stream (m2) | Discharge Wetted Width: 2.800 | Discharge Average Depth: 0.050 | = 0.140 | ||||
| Average Time (sec) | |||||||
| 108.000 | 78.000 | 159.000 | 93.000 | 149.000 | 587 | 117.40 | |
| Trial 1 | Trial 2 | Trial 3 | Trial 4 | Trial 5 | Total Trials | / 5 | Average Time |
| Average Velocity (sec) | |||||||
| 10.000 | 117.40 | 0.085 | |||||
| Length (m) | Average Time (sec) | Average Velocity (m/sec) | |||||
| Average Stream Discharge (m3/sec) | |||||||
| 0.140 | 0.085 | x 0.8 | 0.010 | ||||
| Cross sectional area (m2) | Average velocity (m/sec) | correction factor | Discharge (m3/sec) | ||||