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  4. 03-08-2008

G6 Great Ocean Road Bridge at Lower Gellibrand

3 August 2008

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 #1077
Date and Time Sunday 3rd August 2008 12:30pm
Approved Approved

Notes

Water very red-brown with lots of grass and leaves
Inflow from Midway's logging operations is much cleaner than what is coming from upstream.

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 9.30 0.20 8.88 77.1
Previous 7.9 0.2 10.3 87.4
Median 14.3 0.10 6.17 60.50
0.5m 9.10 0.20 8.98 77.8
Previous 8.6 0.1 9.7 83.0
Median 14.3 0.10 6.13 58.50
1.0m 9.10 0.20 8.90 77.2
Previous 7.8 0.2 10.5 88.1
Median 14.3 0.10 6.24 59.70
1.5m 9.10 0.20 9.02 78.3
Previous 8.5 0.1 9.7 83.1
Median 14.3 0.10 6.17 58.40
2.0m 9.10 0.20 9.05 78.8
Previous 7.8 0.2 10.5 88.6
Median 11.7 0.10 6.23 61.20
2.5m 9.10 0.20 8.96 77.9
Previous 8.6 0.2 9.4 80.5
Median 11.7 0.10 6.09 61.20
3.0m 9.10 0.20 8.53 74.8
Previous 8.8 0.2 9.2 79.7
Median 10.9 0.10 9.12 79.20
3.3m 9.10 0.20 8.00 73.0
Previous 9.7 0.1 10.8 95.0
Median 10.9 0.10 8.75 78.00

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 60
Previous 0.1 15
Median 0.1 20
Bottom 3.3 50
Previous 1.8 20
Median 2.3 30

Other details

Max depth 3.38
Previous 2.75
Median 2.40
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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