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

Stream Name: CROSS CREEK Survey Date: 2012-09-20
Organization Name: Lake Babine Nation Project Name:
Stream Segment #: Stream Section #:
Data entered by: Leanne Miranda Survey ID: 30

Step 1. Benchmark Location

Directions to Benchmark: 400 m from the mouth of the creek UTM 10u 0324924/ 6044085 m undercut bank at 7.44

Step 2. Cross-Sectional Survey

Latitude: Longitude:
Location relative to benchmark: at benchmark Photos Taken? no
Bankfull Channel Width: 7.44 Average Bankfull Depth: 0.43
Wetted Channel Width: 2.14 Average Wetted Depth: 0.20
Measurements taken every 1.00 metres Number of measurements taken: 9

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 7.44 Right Bank
Wetted Depth 0.20 0.24 0.15 Wetted Depth
Bankfull Depth 0.38 0.26 0.24 0.19 0.29 0.44 0.62 0.60 Bankfull Depth

Step 3. Stream Discharge

Cross-sectional area of wetted stream (m2)
Discharge Wetted Width: 2.140 Discharge Average Depth: 0.200 = 0.428
Average Time (sec)
56.000 90.000 75.000 48.000 72.000 341 68.20
Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Total Trials / 5 Average Time
Average Velocity (sec)
10.000 68.20 0.147
Length (m) Average Time (sec) Average Velocity (m/sec)
Average Stream Discharge (m3/sec)
0.428 0.147 x 0.8 0.050
Cross sectional area (m2) Average velocity (m/sec) correction factor Discharge (m3/sec)