Observation details

Overview

Estuary Gellibrand River Estuary
Site Great Ocean Road Bridge at Lower Gellibrand
Observation ID #5804
Date and Time Friday 8th July 2011 12:15pm
Approved Approved

Notes

1.AHD 3.80 12:15 AHD 3.72 08:24
2. G4 flooded upstream & directly downstream. All of Rivernook flats under water. Bridge under water
3. G5. underwater water over bank in many areas.
Water just under bridge bearer (G5)
4. Over 60 White headed Herons remain on higher ground upstream G5, other water birds have gone

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 9.30 0.10 8.80 70.5 2.50
Previous 9.1 0.1 8.3 72.5 0.3
Median 12.9 0.10 8.17 78.40 0.3
0.5m 9.20 0.10 8.07 69.9 2.51
Previous 10.8 0.1 7.8 69.9 0.2
Median 12.9 0.10 8.16 78.40 0.3
1.0m 9.20 0.10 8.06 70.2 2.49 probe only floating on surface
Previous 9.1 0.1 8.5 73.9 0.3
Median 12.8 0.10 8.20 78.20 0.3
1.5m 9.20 0.10 8.05 69.9 2.51 testing not continued
Previous 10.6 0.1 7.8 69.6 0.2
Median 12.8 0.10 8.17 78.20 0.3
2.0m
Previous 9.0 0.1 8.6 74.7 0.3
Median 12.8 0.10 8.13 77.80 0.3
2.5m
Previous 10.6 0.1 7.8 70.0 0.2
Median 12.8 0.10 8.08 77.80 0.3
3.0m
Previous 9.9 0.1 8.5 73.9 0.3
Median 11.4 0.20 8.22 76.40 0.3

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 100 7.3
Previous 0.1 30 7.0
Median 0.1 40 7.2
Bottom
Previous 3.2 40 7.4
Median 2.0 30 7.2

Other details

Max depth 5.60
Previous 3.52
Median 3.03
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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