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  4. 25-06-2011

G6 Great Ocean Road Bridge at Lower Gellibrand

25 June 2011

Overview Notes Depth Profile Top-Bottom Documents 0 Chart
Observation details

Overview

Estuary Gellibrand River Estuary
Site Great Ocean Road Bridge at Lower Gellibrand
Observation ID #5763
Date and Time Saturday 25th June 2011 16:50pm
Approved Approved

Notes

1. AHD all boards under water
2. Max Depth is not accurate because of over 4m. drift even with weights
3. All flats from G6 to downstream of G4 under water
4. Water just below bridge bearer at G5

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 11.20 0.10 7.78 70.3 0.23
Previous 8.4 0.1 9.6 82.3 0.3
Median 12.9 0.10 8.18 78.90 0.3
0.5m 10.80 0.10 7.77 69.9 0.24
Previous 9.2 0.2 8.9 77.7 0.3
Median 12.9 0.10 8.17 78.80 0.3
1.0m 10.60 0.10 7.76 70.0 0.24 probe drifting about 4m.
Previous 8.3 0.1 9.7 82.5 0.3
Median 12.8 0.10 8.22 78.80 0.3
1.5m 10.60 0.10 7.75 69.6 0.24
Previous 9.1 0.2 9.0 78.2 0.3
Median 12.8 0.10 8.20 78.30 0.3
2.0m 10.60 0.10 7.78 70.0 0.24 Probe travelling along not down
Previous 8.3 0.2 9.6 81.9 0.3
Median 12.8 0.10 8.20 78.90 0.3

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 60
Previous 0.1 40 7.0
Median 0.1 40 7.2
Bottom
Previous 2.0 30 7.0
Median 2.0 30 7.0

Other details

Max depth 5.75
Previous 3.08
Median 3.00
Flow estimate Fast

Observation Documents

No documents found for this observation

Preceding Observations

C Estuary is closed to the sea. O Estuary is open to the sea. P Perched
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