Module 2 Bechmark Location, Cross-sectional Survey, Stream Discharge
| Stream Name: SANDHILL CREEK | Survey Date: 2023-10-15 |
| Organization Name: Peninsula Streams Society | Project Name: |
| Stream Segment #: | Stream Section #: |
| Data entered by: ZoAnn Morten | Survey ID: 118 |
Step 1. Benchmark Location
| Directions to Benchmark: 26.7 m downstream of road to parking lot at Heritage Acres - within one of the enhanced riffles |
Step 2. Cross-Sectional Survey
| Latitude: 48.57999 | Longitude: -123.39820 |
| Location relative to benchmark: @ | Photos Taken? no |
| Bankfull Channel Width: 3.58 | Average Bankfull Depth: 12.40 |
| Wetted Channel Width: 3.20 | Average Wetted Depth: 4.73 |
| Measurements taken every 0.50 metres | Number of measurements taken: 15 |
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 | 3.48 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | Right Bank | Wetted Depth | 0.00 | 4.00 | 13.00 | 19.00 | 16.00 | 12.00 | 7.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | Wetted Depth |
| Bankfull Depth | 10.00 | 19.00 | 27.00 | 33.00 | 31.00 | 27.00 | 22.00 | 7.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | Bankfull Depth |
Step 3. Stream Discharge
| Cross-sectional area of wetted stream (m2) | Discharge Wetted Width: 3.200 | Discharge Average Depth: 0.120 | = 0.384 | ||||
| Average Time (sec) | |||||||
| 244.000 | 212.000 | 218.000 | 0.000 | 0.000 | 674 | 134.80 | |
| Trial 1 | Trial 2 | Trial 3 | Trial 4 | Trial 5 | Total Trials | / 5 | Average Time |
| Average Velocity (sec) | |||||||
| 10.000 | 134.80 | 0.074 | |||||
| Length (m) | Average Time (sec) | Average Velocity (m/sec) | |||||
| Average Stream Discharge (m3/sec) | |||||||
| 0.384 | 0.074 | x 0.8 | 0.023 | ||||
| Cross sectional area (m2) | Average velocity (m/sec) | correction factor | Discharge (m3/sec) | ||||