Module 2 Bechmark Location, Cross-sectional Survey, Stream Discharge
Stream Name: BROWNE CREEK | Survey Date: 2017-09-06 |
Organization Name: Pearson Ecological | Project Name: Project Monitoring |
Stream Segment #: | Stream Section #: |
Data entered by: ZoAnn | Survey ID: 74 |
Step 1. Benchmark Location
Directions to Benchmark: 62.1m upstream of culvert at Browne Creek Wetland trail |
Step 2. Cross-Sectional Survey
Latitude: 49.09820 | Longitude: -122.01600 |
Location relative to benchmark: at benchmark | Photos Taken? no |
Bankfull Channel Width: 3.40 | Average Bankfull Depth: 17.25 |
Wetted Channel Width: 3.15 | Average Wetted Depth: 7.14 |
Measurements taken every 0.50 metres | Number of measurements taken: 8 |
First and Last Measurements Taken .1m from the streambank edge
Left Bank | 0.10 | 0.50 | 1.00 | 1.50 | 2.00 | 2.50 | 6.00 | 3.30 | Right Bank | Wetted Depth | 9.00 | 5.00 | 3.00 | 8.00 | 10.00 | 6.00 | 9.00 | Wetted Depth |
Bankfull Depth | 23.00 | 18.00 | 15.00 | 20.00 | 21.00 | 16.00 | 20.00 | 5.00 | Bankfull Depth |
Step 3. Stream Discharge
Cross-sectional area of wetted stream (m2) | Discharge Wetted Width: 3.150 | Discharge Average Depth: 0.070 | = 0.221 | ||||
Average Time (sec) | |||||||
12.400 | 22.400 | 16.300 | 15.000 | 22.800 | 88.9 | 17.78 | |
Trial 1 | Trial 2 | Trial 3 | Trial 4 | Trial 5 | Total Trials | / 5 | Average Time |
Average Velocity (sec) | |||||||
4.000 | 17.78 | 0.225 | |||||
Length (m) | Average Time (sec) | Average Velocity (m/sec) | |||||
Average Stream Discharge (m3/sec) | |||||||
0.22050 | 0.22497 | x 0.8 | 0.00397 | ||||
Cross sectional area (m2) | Average velocity (m/sec) | correction factor | Discharge (m3/sec) |