Module 2 Bechmark Location, Cross-sectional Survey, Stream Discharge
| Stream Name: DEER LAKE | Survey Date: 2017-06-14 |
| Organization Name: PSKF | Project Name: Student streamkeeper |
| Stream Segment #: | Stream Section #: |
| Data entered by: ZoAnn | Survey ID: 67 |
Step 1. Benchmark Location
| Directions to Benchmark: at first riffle downstream of where creek exits Deer Lake 28.6m upstream of traffic bridge |
Step 2. Cross-Sectional Survey
| Latitude: 49.23860 | Longitude: -122.96800 |
| Location relative to benchmark: at | Photos Taken? yes |
| Bankfull Channel Width: 5.42 | Average Bankfull Depth: 35.33 |
| Wetted Channel Width: 4.65 | Average Wetted Depth: 15.56 |
| Measurements taken every 0.50 metres | Number of measurements taken: 12 |
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 | 4.50 | 5.00 | 5.30 | Right Bank | Wetted Depth | 8.00 | 20.00 | 24.00 | 22.00 | 23.00 | 19.00 | 11.00 | 7.00 | 6.00 | Wetted Depth |
| Bankfull Depth | 9.00 | 10.00 | 35.00 | 45.00 | 47.00 | 48.00 | 49.00 | 44.00 | 36.00 | 36.00 | 37.00 | 28.00 | Bankfull Depth |
Step 3. Stream Discharge
| Cross-sectional area of wetted stream (m2) | Discharge Wetted Width: 4.650 | Discharge Average Depth: 0.160 | = 0.744 | ||||
| Average Time (sec) | |||||||
| 23.890 | 22.830 | 24.940 | 21.790 | 23.400 | 116.85 | 23.37 | |
| Trial 1 | Trial 2 | Trial 3 | Trial 4 | Trial 5 | Total Trials | / 5 | Average Time |
| Average Velocity (sec) | |||||||
| 10.000 | 23.37 | 0.428 | |||||
| Length (m) | Average Time (sec) | Average Velocity (m/sec) | |||||
| Average Stream Discharge (m3/sec) | |||||||
| 0.74400 | 0.42790 | x 0.8 | 0.02547 | ||||
| Cross sectional area (m2) | Average velocity (m/sec) | correction factor | Discharge (m3/sec) | ||||