Module 2 Bechmark Location, Cross-sectional Survey, Stream Discharge
| Stream Name: BOWKER CREEK | Survey Date: 2020-09-16 |
| Organization Name: Friends of Bowker Creek | Project Name: Bowker Creek |
| Stream Segment #: 3 | Stream Section #: 3.5 |
| Data entered by: Val Aloian | Survey ID: 103 |
Step 1. Benchmark Location
| Directions to Benchmark: 26.9m upstream of centre circle of outdoor classroom |
Step 2. Cross-Sectional Survey
| Latitude: | Longitude: |
| Location relative to benchmark: at benchmark | Photos Taken? yes |
| Bankfull Channel Width: 12.65 | Average Bankfull Depth: 0.83 |
| Wetted Channel Width: 2.55 | Average Wetted Depth: 0.02 |
| Measurements taken every 1.00 metres | Number of measurements taken: 8 |
First and Last Measurements Taken .1m from the streambank edge
| Left Bank | 0.10 | 1.10 | 2.10 | 3.10 | 4.10 | 5.10 | 6.10 | 7.10 | Right Bank | Wetted Depth | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.04 | 0.00 | Wetted Depth |
| Bankfull Depth | 0.04 | 0.37 | 0.67 | 0.93 | 1.02 | 1.32 | 1.26 | 1.01 | Bankfull Depth |
Step 3. Stream Discharge
| Cross-sectional area of wetted stream (m2) | Discharge Wetted Width: 2.000 | Discharge Average Depth: 0.037 | = 0.074 | ||||
| Average Time (sec) | |||||||
| 21.200 | 32.400 | 26.500 | 36.500 | 45.800 | 162.4 | 32.48 | |
| Trial 1 | Trial 2 | Trial 3 | Trial 4 | Trial 5 | Total Trials | / 5 | Average Time |
| Average Velocity (sec) | |||||||
| 3.000 | 32.48 | 0.092 | |||||
| Length (m) | Average Time (sec) | Average Velocity (m/sec) | |||||
| Average Stream Discharge (m3/sec) | |||||||
| 0.074 | 0.092 | x 0.8 | 0.005 | ||||
| Cross sectional area (m2) | Average velocity (m/sec) | correction factor | Discharge (m3/sec) | ||||