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

Stream Name: FOUR MILE CREEK Survey Date: 2013-08-15
Organization Name: Lake Babine Nation Project Name:
Stream Segment #: Stream Section #:
Data entered by: Leanne Miranda Survey ID: 32

Step 1. Benchmark Location

Directions to Benchmark: 420 m from mouth of creek UTM: 10U 0413131/ 60103688

Step 2. Cross-Sectional Survey

Latitude: Longitude:
Location relative to benchmark: at beanchmark Photos Taken? no
Bankfull Channel Width: 4.00 Average Bankfull Depth: 0.77
Wetted Channel Width: 3.86 Average Wetted Depth: 0.09
Measurements taken every 1.00 metres Number of measurements taken: 6

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

Left Bank 0.10 1.00 2.00 3.00 3.90 4.00 Right Bank
Wetted Depth 0.04 0.11 0.17 0.04 0.05 Wetted Depth
Bankfull Depth 0.78 0.79 0.79 0.77 0.66 0.03 Bankfull Depth

Step 3. Stream Discharge

Cross-sectional area of wetted stream (m2)
Discharge Wetted Width: 3.860 Discharge Average Depth: 0.080 = 0.309
Average Time (sec)
17.700 17.000 16.700 20.700 18.400 90.5 18.10
Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Total Trials / 5 Average Time
Average Velocity (sec)
10.000 18.10 0.552
Length (m) Average Time (sec) Average Velocity (m/sec)
Average Stream Discharge (m3/sec)
0.309 0.552 x 0.8 0.136
Cross sectional area (m2) Average velocity (m/sec) correction factor Discharge (m3/sec)