Module 2 Bechmark Location, Cross-sectional Survey, Stream Discharge
| Stream Name: BOWKER CREEK | Survey Date: 2020-09-03 |
| Organization Name: Friends of Bowker Creek | Project Name: Bowker Creek Salmon |
| Stream Segment #: 1 | Stream Section #: 1.3 |
| Data entered by: Stormy Kirkland | Survey ID: 100 |
Step 1. Benchmark Location
| Directions to Benchmark: 15.3m from the upper end of section 1.3 ie., 15.3m downstream from culvert under Monteith street. |
Step 2. Cross-Sectional Survey
| Latitude: | Longitude: |
| Location relative to benchmark: at benchmark | Photos Taken? yes |
| Bankfull Channel Width: 10.50 | Average Bankfull Depth: 0.91 |
| Wetted Channel Width: 4.00 | Average Wetted Depth: 0.11 |
| Measurements taken every 1.00 metres | Number of measurements taken: 11 |
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 | 8.10 | 9.10 | 10.00 | Right Bank | Wetted Depth | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.28 | 0.31 | 0.38 | 0.19 | 0.00 | 0.00 | Wetted Depth |
| Bankfull Depth | 0.02 | 0.20 | 0.51 | 0.62 | 1.00 | 1.47 | 1.50 | 1.57 | 1.38 | 0.78 | Bankfull Depth |
Step 3. Stream Discharge
| Cross-sectional area of wetted stream (m2) | Discharge Wetted Width: 4.000 | Discharge Average Depth: 0.290 | = 1.160 | ||||
| Average Time (sec) | |||||||
| 237.000 | 177.000 | 234.000 | 459.000 | 342.000 | 1449 | 289.80 | |
| Trial 1 | Trial 2 | Trial 3 | Trial 4 | Trial 5 | Total Trials | / 5 | Average Time |
| Average Velocity (sec) | |||||||
| 3.000 | 289.80 | 0.010 | |||||
| Length (m) | Average Time (sec) | Average Velocity (m/sec) | |||||
| Average Stream Discharge (m3/sec) | |||||||
| 1.160 | 0.010 | x 0.8 | 0.010 | ||||
| Cross sectional area (m2) | Average velocity (m/sec) | correction factor | Discharge (m3/sec) | ||||