Module 2 Bechmark Location, Cross-sectional Survey, Stream Discharge

Stream Name: MOSQUITO CREEK Survey Date: 2023-07-27
Organization Name: PSKF Project Name:
Stream Segment #: Stream Section #:
Data entered by: Lauren Woschee Survey ID: 116

Step 1. Benchmark Location

Directions to Benchmark: On east side of creek north of basketball court. Almost at end of trail where there is a sign that says trail is closed.

Step 2. Cross-Sectional Survey

Latitude: 49.32646 Longitude: -123.09158
Location relative to benchmark: same location as benchmar Photos Taken? yes
Bankfull Channel Width: 9.90 Average Bankfull Depth: 21.03
Wetted Channel Width: 6.40 Average Wetted Depth: 5.43
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 4.00 5.00 6.00 7.00 8.00 9.00 9.90 0.00 0.00 0.00 0.00 Right Bank
Wetted Depth 0.00 0.00 0.00 0.00 21.00 7.00 13.00 20.00 15.00 5.50 0.00 0.00 0.00 0.00 0.00 Wetted Depth
Bankfull Depth 14.00 7.00 29.00 27.00 40.00 23.00 29.00 38.00 37.00 34.50 23.00 0.00 0.00 0.00 0.00 Bankfull Depth

Step 3. Stream Discharge

Cross-sectional area of wetted stream (m2)
Discharge Wetted Width: 6.400 Discharge Average Depth: 0.135 = 0.864
Average Time (sec)
47.800 60.500 49.700 63.200 57.200 278.4 55.68
Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Total Trials / 5 Average Time
Average Velocity (sec)
8.500 55.68 0.153
Length (m) Average Time (sec) Average Velocity (m/sec)
Average Stream Discharge (m3/sec)
0.864 0.153 x 0.8 0.106
Cross sectional area (m2) Average velocity (m/sec) correction factor Discharge (m3/sec)