Observation details

Overview

Estuary Gellibrand River Estuary
Site Great Ocean Road Bridge at Lower Gellibrand
Observation ID #3742
Date and Time Friday 18th June 2010 13:36pm
Approved Approved

Notes

1.AHD 1.47
2.PH top 6.5 bottom 6.00
3.NOP 1.380 ? SOP 1.803 267.2
4.Rainfall 23ml (12th -18th June)
5.Upstream G5. Birds
46 Black swans, 103 Ducks Teal/Black, 4 Shellduck
5 Whitefaced herons, 1 Whitenecked heron,
8 Masked Plover.
Large mob of Starlings in Boxthorn at G5. .

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 10.00 0.20 9.73 85.0 0.31
Previous 10.0 0.1 9.3 82.4 0.3
Median 14.9 0.10 7.96 76.80 0.3
0.5m 9.30 0.20 9.71 84.7 0.31
Previous 10.4 0.1 9.1 81.1 0.3
Median 14.9 0.10 7.89 76.70 0.3
1.0m 9.20 0.20 9.74 84.9 0.35 EC reading wide range- constant change
Previous 10.0 0.2 9.0 81.1 0.3
Median 14.6 0.10 7.91 75.50 0.3
1.5m 9.20 0.20 9.78 85.2 0.33
Previous 10.4 0.1 8.8 79.4 0.3
Median 14.6 0.10 7.76 75.20 0.3
2.0m 9.30 0.20 9.76 85.0 0.35
Previous 10.0 0.2 9.2 81.3 0.3
Median 11.9 0.10 8.13 75.80 0.3
2.5m 9.30 0.20 9.63 84.5 0.36
Previous 10.4 0.1 8.8 78.6 0.3
Median 12.0 0.10 8.13 75.80 0.3

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 20 6.5
Previous 0.1 20 7.0
Median 0.1 20 7.0
Bottom 2.3 20 6.0
Previous 2.2 15 7.0
Median 2.0 30 7.0

Other details

Max depth 2.55
Previous 2.72
Median 2.33
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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