Module 2 Bechmark Location, Cross-sectional Survey, Stream Discharge
| Stream Name: LIZARD CREEK | Survey Date: 2013-10-20 |
| Organization Name: Elk River Alliance | Project Name: CBWM |
| Stream Segment #: | Stream Section #: |
| Data entered by: Ayla Bennett | Survey ID: 24 |
Step 1. Benchmark Location
| Directions to Benchmark: Site 1 on Lizard Creek. Approximately 100 meters upstream of highway 3 bridge over Lizard Creek. Heading West on hwy. 3, take turnoff on right immediately past bridge. |
Step 2. Cross-Sectional Survey
| Latitude: | Longitude: |
| Location relative to benchmark: 1 m downstream | Photos Taken? yes |
| Bankfull Channel Width: 12.30 | Average Bankfull Depth: 0.30 |
| Wetted Channel Width: 8.30 | Average Wetted Depth: 0.16 |
| Measurements taken every 1.00 metres | Number of measurements taken: 15 |
First and Last Measurements Taken .1m from the streambank edge
| Left Bank | 0.10 | 1.00 | 2.00 | 3.00 | 3.20 | 4.00 | 5.00 | 6.00 | 7.00 | 8.00 | 9.00 | 10.00 | 11.00 | 11.30 | 12.00 | Right Bank | Wetted Depth | 0.08 | 0.07 | 0.05 | 0.17 | 0.18 | 0.25 | 0.28 | 0.29 | 0.12 | 0.07 | Wetted Depth |
| Bankfull Depth | 0.06 | 0.21 | 0.23 | 0.23 | 0.27 | 0.26 | 0.24 | 0.36 | 0.37 | 0.44 | 0.47 | 0.48 | 0.31 | 0.26 | 0.18 | Bankfull Depth |
Step 3. Stream Discharge
| Cross-sectional area of wetted stream (m2) | Discharge Wetted Width: 8.300 | Discharge Average Depth: 0.150 | = 1.245 | ||||
| Average Time (sec) | |||||||
| 11.150 | 9.310 | 11.130 | 10.280 | 11.030 | 52.9 | 10.58 | |
| Trial 1 | Trial 2 | Trial 3 | Trial 4 | Trial 5 | Total Trials | / 5 | Average Time |
| Average Velocity (sec) | |||||||
| 10.000 | 10.58 | 0.945 | |||||
| Length (m) | Average Time (sec) | Average Velocity (m/sec) | |||||
| Average Stream Discharge (m3/sec) | |||||||
| 1.245 | 0.945 | x 0.8 | 0.941 | ||||
| Cross sectional area (m2) | Average velocity (m/sec) | correction factor | Discharge (m3/sec) | ||||