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

Stream Name: TACHEK CREEK Survey Date: 2013-07-09
Organization Name: Babine First Nations Project Name:
Stream Segment #: Stream Section #:
Data entered by: Leanne Olinyk Survey ID: 17

Step 1. Benchmark Location

Directions to Benchmark:
0 0 14

Step 2. Cross-Sectional Survey

Latitude: Longitude:
Location relative to benchmark: at Photos Taken? yes
Bankfull Channel Width: 10.40 Average Bankfull Depth: 0.00
Wetted Channel Width: 7.00 Average Wetted Depth: 0.00
Measurements taken every 1.00 metres Number of measurements taken: 14

First and Last Measurements Taken .1m from the streambank edge

Left Bank 0.10 1.00 2.00 3.00 3.30 4.00 5.00 6.00 7.00 8.00 9.00 10.00 10.15 10.38 Right Bank
Wetted Depth 3.00 10.00 22.00 34.00 26.00 26.00 20.00 7.00 5.00 Wetted Depth
Bankfull Depth 6.00 33.00 31.00 29.00 30.00 33.00 43.00 55.00 48.00 56.00 53.00 43.00 43.00 16.00 Bankfull Depth

Step 3. Stream Discharge

Cross-sectional area of wetted stream (m2)
Discharge Wetted Width: 7.000 Discharge Average Depth: 0.170 = 1.190
Average Time (sec)
21.900 21.200 90.000 24.800 23.700 181.6 36.32
Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Total Trials / 5 Average Time
Average Velocity (sec)
1.000 36.32 0.028
Length (m) Average Time (sec) Average Velocity (m/sec)
Average Stream Discharge (m3/sec)
1.190 0.028 x 0.8 0.026
Cross sectional area (m2) Average velocity (m/sec) correction factor Discharge (m3/sec)