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  5. 20-05-2011

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G6 Great Ocean Road Bridge at Lower Gellibrand

20 May 2011

Observation details

Overview

Estuary Gellibrand River Estuary
Site Great Ocean Road Bridge at Lower Gellibrand
Observation ID #5563
Date and Time Friday 20th May 2011 13:50pm
Approved Approved

Notes

1.AHD 1.60
2.Flats directly below G6 -water in & around drains
3.Very large amount of Blackwood seeds & pods on ground & in river -water very dark red brown
4.Water level at G4 - below bearer, no visiable water on flats in that area
5.Flats around G5 underwater, large nos. of Shellduck, Black duck, Teal, Wood duck, Whiteheaded Herons 4, Swans 28.
6 Aponogeton dist. flowering in drains

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 11.70 0.10 9.96 92.8 0.30 *note Salinity ppt reading 0.2 for past 2 weeks
Previous
Median
0.5m 11.10 0.20 10.07 91.4 0.31
Previous
Median
1.0m 11.10 0.10 10.07 91.7 0.31
Previous
Median
1.5m 11.10 0.20 10.02 91.6 0.32
Previous
Median
2.0m 11.10 0.20 10.04 91.8 0.31
Previous
Median
2.5m 11.10 0.20 10.10 92.0 0.32
Previous
Median
2.8m 11.10 0.20 10.03 91.3 0.33
Previous
Median

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 30 7.0
Previous 0.1
Median 0.1
Bottom 2.0 30 7.0
Previous
Median

Other details

Max depth 3.03
Previous 0.00
Median 0.00
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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