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

Stream Name: MORRISON CREEK Survey Date: 2017-08-22
Organization Name: Morrison Creek Streamkeepers Project Name: Mod 2 on Island stre
Stream Segment #: Stream Section #:
Data entered by: ZoAnn Morten Survey ID: 71

Step 1. Benchmark Location

Directions to Benchmark: using GPS enter pathway at the far end of Ecole Puntledge Elementary School field

Step 2. Cross-Sectional Survey

Latitude: 49.68220 Longitude: -125.01900
Location relative to benchmark: at benchmark Photos Taken? no
Bankfull Channel Width: 8.10 Average Bankfull Depth: 32.70
Wetted Channel Width: 5.50 Average Wetted Depth: 10.83
Measurements taken every 1.00 metres Number of measurements taken: 10

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

Left Bank 0.10 0.50 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 Right Bank
Wetted Depth 4.50 10.00 13.50 12.00 16.50 8.50 Wetted Depth
Bankfull Depth 4.00 17.50 23.00 34.00 37.00 49.00 46.00 54.00 48.50 10.00 Bankfull Depth

Step 3. Stream Discharge

Cross-sectional area of wetted stream (m2)
Discharge Wetted Width: 5.500 Discharge Average Depth: 0.110 = 0.605
Average Time (sec)
18.350 28.370 29.200 29.000 27.690 132.61 26.52
Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Total Trials / 5 Average Time
Average Velocity (sec)
10.000 26.52 0.377
Length (m) Average Time (sec) Average Velocity (m/sec)
Average Stream Discharge (m3/sec)
0.605 0.377 x 0.8 0.182
Cross sectional area (m2) Average velocity (m/sec) correction factor Discharge (m3/sec)