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

Stream Name: ALEXANDER CREEK Survey Date: 2014-10-03
Organization Name: Elk River Alliance Project Name: CBWM-AC site 3
Stream Segment #: site 3 Stream Section #: site 3
Data entered by: Ayla Bennett Survey ID: 43

Step 1. Benchmark Location

Directions to Benchmark: AC site 3

Step 2. Cross-Sectional Survey

Latitude: 49.50628 Longitude: 114.05868
Location relative to benchmark: at benchmark Photos Taken? yes
Bankfull Channel Width: 9.80 Average Bankfull Depth: 0.39
Wetted Channel Width: 9.20 Average Wetted Depth: 0.32
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 4.00 5.00 6.00 7.00 8.00 9.00 9.30 10.00 11.00 11.80 Right Bank
Wetted Depth 0.13 0.30 0.31 0.45 0.50 0.48 0.41 0.38 0.29 0.13 0.06 Wetted Depth
Bankfull Depth 0.26 0.43 0.44 0.58 0.63 0.61 0.54 0.51 0.42 0.26 0.07 0.06 0.05 Bankfull Depth

Step 3. Stream Discharge

Cross-sectional area of wetted stream (m2)
Discharge Wetted Width: 9.400 Discharge Average Depth: 0.290 = 2.726
Average Time (sec)
16.700 16.600 16.700 16.600 16.700 83.3 16.66
Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Total Trials / 5 Average Time
Average Velocity (sec)
10.000 16.66 0.600
Length (m) Average Time (sec) Average Velocity (m/sec)
Average Stream Discharge (m3/sec)
2.726 0.600 x 0.8 1.309
Cross sectional area (m2) Average velocity (m/sec) correction factor Discharge (m3/sec)