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

Stream Name: PIERRE CREEK Survey Date: 2013-08-13
Organization Name: Lake Babine Nation Project Name:
Stream Segment #: Stream Section #:
Data entered by: Leanne Miranda Survey ID: 31

Step 1. Benchmark Location

Directions to Benchmark: UTM: u 0315452/6057552

Step 2. Cross-Sectional Survey

Latitude: Longitude:
Location relative to benchmark: at benchmark Photos Taken? no
Bankfull Channel Width: 10.35 Average Bankfull Depth: 0.29
Wetted Channel Width: 6.46 Average Wetted Depth: 0.14
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 3.90 4.00 5.00 6.00 7.00 8.00 9.00 10.00 10.30 10.50 Right Bank
Wetted Depth 0.02 0.03 0.07 0.13 0.16 0.23 0.32 0.14 Wetted Depth
Bankfull Depth 0.06 0.14 0.14 0.22 0.21 0.22 0.23 0.28 0.32 0.44 0.58 0.48 0.34 0.38 Bankfull Depth

Step 3. Stream Discharge

Cross-sectional area of wetted stream (m2)
Discharge Wetted Width: 6.460 Discharge Average Depth: 0.160 = 1.034
Average Time (sec)
28.100 27.400 30.300 25.400 27.800 139 27.80
Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Total Trials / 5 Average Time
Average Velocity (sec)
10.000 27.80 0.360
Length (m) Average Time (sec) Average Velocity (m/sec)
Average Stream Discharge (m3/sec)
1.034 0.360 x 0.8 0.297
Cross sectional area (m2) Average velocity (m/sec) correction factor Discharge (m3/sec)