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

Stream Name: DEER LAKE Survey Date: 2017-06-14
Organization Name: PSKF Project Name: Student streamkeeper
Stream Segment #: Stream Section #:
Data entered by: ZoAnn Survey ID: 67

Step 1. Benchmark Location

Directions to Benchmark: at first riffle downstream of where creek exits Deer Lake 28.6m upstream of traffic bridge

Step 2. Cross-Sectional Survey

Latitude: 49.23860 Longitude: -122.96800
Location relative to benchmark: at Photos Taken? yes
Bankfull Channel Width: 5.42 Average Bankfull Depth: 36.08
Wetted Channel Width: 4.65 Average Wetted Depth: 15.56
Measurements taken every 0.50 metres Number of measurements taken: 12

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 4.50 5.00 5.30 Right Bank
Wetted Depth 8.00 20.00 24.00 22.00 23.00 19.00 11.00 7.00 6.00 Wetted Depth
Bankfull Depth 9.00 10.00 35.00 45.00 47.00 48.00 49.00 44.00 36.00 36.00 37.00 28.00 Bankfull Depth

Step 3. Stream Discharge

Cross-sectional area of wetted stream (m2)
Discharge Wetted Width: 4.650 Discharge Average Depth: 0.160 = 0.744
Average Time (sec)
23.890 22.830 24.940 21.790 23.400 116.85 23.37
Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Total Trials / 5 Average Time
Average Velocity (sec)
10.000 23.37 0.428
Length (m) Average Time (sec) Average Velocity (m/sec)
Average Stream Discharge (m3/sec)
0.744 0.428 x 0.8 0.255
Cross sectional area (m2) Average velocity (m/sec) correction factor Discharge (m3/sec)