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  4. 25-07-2009

G6 Great Ocean Road Bridge at Lower Gellibrand

25 July 2009

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 #2203
Date and Time Saturday 25th July 2009 13:05pm
Approved Approved

Notes

AHD. 2.0
Between G6 and G5 water in low areas only
G4. water clear of bridge
Grebe's still in water on flats below G6.

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 9.00 0.20 9.35 81.6 water very brown
Previous 8.7 0.1 8.9 76.8
Median 13.5 0.10 7.61 71.80
0.5m 8.80 0.20 9.41 81.1
Previous 8.5 0.2 8.3 71.5
Median 13.6 0.10 7.61 71.80
1.0m 8.70 0.20 9.38 80.7
Previous 8.6 0.1 8.8 75.2
Median 13.4 0.10 7.75 71.40
1.5m 8.70 0.20 9.38 80.7
Previous 8.5 0.2 8.4 71.4
Median 13.6 0.10 7.75 71.40
2.0m 8.20 0.20 9.44 81.1 Probe drifting
Previous 8.6 0.2 8.8 75.8
Median 13.2 0.10 7.65 72.70
2.5m 8.70 0.20 9.36 80.5
Previous 8.5 0.2 8.4 71.6
Median 13.4 0.10 7.65 72.70
3.0m 8.70 0.20 9.29 79.9
Previous 8.6 0.1 8.8 75.2
Median 9.1 0.20 8.75 75.20
3.1m 8.70 0.20 9.16 78.7
Previous 8.5 0.2 8.3 71.2
Median 9.1 0.20 8.31 73.00

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 30
Previous 0.1 20
Median 0.1 20
Bottom 2.5 30
Previous 2.5 20
Median 2.5 30

Other details

Max depth 3.23
Previous 3.55
Median 2.40
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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