Module 2 Bechmark Location, Cross-sectional Survey, Stream Discharge
| Stream Name: Frank Dan Slough | Survey Date: 2017-09-08 |
| Organization Name: Pearson Ecological | Project Name: Project Monitoring |
| Stream Segment #: | Stream Section #: |
| Data entered by: ZoAnn | Survey ID: 75 |
Step 1. Benchmark Location
| Directions to Benchmark: 1/2 way down Beach Road off Chehalis Road |
Step 2. Cross-Sectional Survey
| Latitude: 49.28780 | Longitude: -121.90600 |
| Location relative to benchmark: at benchmark | Photos Taken? no |
| Bankfull Channel Width: 4.38 | Average Bankfull Depth: 35.20 |
| Wetted Channel Width: 2.65 | Average Wetted Depth: 12.00 |
| Measurements taken every 0.50 metres | Number of measurements taken: 10 |
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 | 4.20 | Right Bank | Wetted Depth | 11.00 | 14.00 | 14.00 | 11.00 | 10.00 | Wetted Depth |
| Bankfull Depth | 15.00 | 44.00 | 45.00 | 46.00 | 47.00 | 45.00 | 51.00 | 15.00 | 29.00 | 15.00 | Bankfull Depth |
Step 3. Stream Discharge
| Cross-sectional area of wetted stream (m2) | Discharge Wetted Width: 2.650 | Discharge Average Depth: 0.120 | = 0.318 | ||||
| Average Time (sec) | |||||||
| 7.540 | 9.230 | 8.320 | 8.430 | 12.000 | 45.52 | 9.10 | |
| Trial 1 | Trial 2 | Trial 3 | Trial 4 | Trial 5 | Total Trials | / 5 | Average Time |
| Average Velocity (sec) | |||||||
| 6.000 | 9.10 | 0.659 | |||||
| Length (m) | Average Time (sec) | Average Velocity (m/sec) | |||||
| Average Stream Discharge (m3/sec) | |||||||
| 0.31800 | 0.65905 | x 0.8 | 0.01677 | ||||
| Cross sectional area (m2) | Average velocity (m/sec) | correction factor | Discharge (m3/sec) | ||||