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

Stream Name: WINDEBANK CREEK Survey Date: 2014-06-24
Organization Name: Mission of Streams Project Name: Windebank Monitoring
Stream Segment #: Stream Section #:
Data entered by: DU Survey ID: 53

Step 1. Benchmark Location

Directions to Benchmark: Approx. 20 m upstream of bridge on FVC property. Accessed by trail on west side of stream.

Step 2. Cross-Sectional Survey

Latitude: Longitude:
Location relative to benchmark: 13 m upstream of benchmar Photos Taken? yes
Bankfull Channel Width: 3.10 Average Bankfull Depth: 0.36
Wetted Channel Width: 2.30 Average Wetted Depth: 0.13
Measurements taken every 0.50 metres Number of measurements taken: 7

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

Left Bank 0.10 0.50 1.00 1.50 2.00 2.50 3.00 Right Bank
Wetted Depth 0.17 0.14 0.10 0.16 0.08 Wetted Depth
Bankfull Depth 0.35 0.32 0.29 0.30 0.40 0.40 0.08 Bankfull Depth

Step 3. Stream Discharge

Cross-sectional area of wetted stream (m2)
Discharge Wetted Width: 2.300 Discharge Average Depth: 0.080 = 0.184
Average Time (sec)
44.000 41.000 44.000 45.000 45.000 219 43.80
Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Total Trials / 5 Average Time
Average Velocity (sec)
10.000 43.80 0.228
Length (m) Average Time (sec) Average Velocity (m/sec)
Average Stream Discharge (m3/sec)
0.184 0.228 x 0.8 0.034
Cross sectional area (m2) Average velocity (m/sec) correction factor Discharge (m3/sec)