Observation details

Overview

Estuary Gellibrand River Estuary
Site Great Ocean Road Bridge at Lower Gellibrand
Observation ID #5526
Date and Time Friday 13th May 2011 14:55pm
Approved Approved

Notes

1.AHD 1.85
2.Slight turbidity discharge visiable from upstream G6
3.Water visiable on flats around drain just downstream of G6
4.Water spreading out around drains from Rowans gully to G5 & beyond. Flats on south side of river at G5 under water
5. G6 -G4 White necked heron 1, Shellduck 18+, Whiteheaded herons 6

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 10.90 0.20 9.29 84.8 0.37
Previous 12.3 0.1 8.4 78.9 0.3
Median 12.9 0.10 8.17 79.50 0.3
0.5m 10.80 0.20 9.34 84.3 0.37
Previous 12.5 0.1 8.8 82.2 0.3
Median 12.9 0.10 8.17 79.50 0.3
1.0m 10.70 0.20 9.28 83.8 0.38
Previous 12.2 0.1 8.4 78.3 0.3
Median 12.8 0.10 8.22 79.40 0.3
1.5m 10.80 0.20 9.21 83.1 0.38
Previous 12.4 0.1 8.9 83.1 0.3
Median 12.8 0.10 8.20 79.40 0.3
2.0m 10.80 0.20 9.25 83.7 0.37
Previous 12.2 0.1 8.4 78.9 0.3
Median 12.8 0.10 8.13 76.30 0.3
2.5m 10.80 0.20 9.22 83.5 0.38
Previous 12.4 0.1 8.8 82.0 0.3
Median 12.8 0.10 8.13 76.20 0.3
3.0m 10.80 0.20 9.18 82.8 0.38
Previous 13.7 0.1 8.2 80.3 3.1
Median 12.2 0.10 8.20 76.40 0.3
3.1m 10.80 0.20 7.69 70.8 0.37
Previous 18.5 0.1 3.0 32.3 0.3
Median 11.6 0.10 8.19 74.10 0.3

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 40 7.0
Previous 0.1 15 7.2
Median 0.1 30 7.2
Bottom 2.0 40 7.0
Previous 2.0 30 7.0
Median 2.2 30 7.0

Other details

Max depth 3.23
Previous 2.62
Median 2.91
Flow estimate Medium

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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