Module 2 Bechmark Location, Cross-sectional Survey, Stream Discharge
| Stream Name: MURRAY CREEK | Survey Date: 2017-09-26 |
| Organization Name: Nechako Secondary School | Project Name: Streamkeepers traini |
| Stream Segment #: | Stream Section #: |
| Data entered by: ZoAnn Morten | Survey ID: 77 |
Step 1. Benchmark Location
| Directions to Benchmark: more directions to follow |
Step 2. Cross-Sectional Survey
| Latitude: 54.05000 | Longitude: -124.03000 |
| Location relative to benchmark: at benchmark | Photos Taken? no |
| Bankfull Channel Width: 3.05 | Average Bankfull Depth: 20.80 |
| Wetted Channel Width: 2.00 | Average Wetted Depth: 12.10 |
| Measurements taken every metres | Number of measurements taken: 15 |
First and Last Measurements Taken .1m from the streambank edge
| Left Bank | 0.10 | 0.30 | 0.50 | 0.70 | 0.90 | 1.10 | 1.30 | 1.50 | 1.70 | 1.90 | 2.10 | 2.30 | 2.50 | 2.70 | 3.00 | Right Bank | Wetted Depth | 7.00 | 15.00 | 16.00 | 15.00 | 17.00 | 15.00 | 12.00 | 11.00 | 9.00 | 4.00 | Wetted Depth |
| Bankfull Depth | 7.00 | 17.00 | 24.00 | 27.00 | 26.00 | 29.00 | 28.00 | 26.00 | 26.00 | 26.00 | 22.00 | 15.00 | 15.00 | 13.00 | 4.00 | Bankfull Depth |
Step 3. Stream Discharge
| Cross-sectional area of wetted stream (m2) | Discharge Wetted Width: 2.000 | Discharge Average Depth: 0.120 | = 0.240 | ||||
| Average Time (sec) | |||||||
| 21.470 | 19.600 | 22.870 | 22.500 | 31.100 | 117.54 | 23.51 | |
| Trial 1 | Trial 2 | Trial 3 | Trial 4 | Trial 5 | Total Trials | / 5 | Average Time |
| Average Velocity (sec) | |||||||
| 3.500 | 23.51 | 0.149 | |||||
| Length (m) | Average Time (sec) | Average Velocity (m/sec) | |||||
| Average Stream Discharge (m3/sec) | |||||||
| 0.240 | 0.149 | x 0.8 | 0.029 | ||||
| Cross sectional area (m2) | Average velocity (m/sec) | correction factor | Discharge (m3/sec) | ||||