Observation details

Overview

Estuary Gellibrand River Estuary
Site Great Ocean Road Bridge at Lower Gellibrand
Observation ID #5461
Date and Time Friday 29th April 2011 12:00pm
Approved Approved

Notes

1.AHD 0.88
2.Flat below G6 waterlogged & water in drain
3.Low areas and drains around G5 - visiable water, other areas water logged, Aponogeton dist. flowering.
4. Many waterbirds on wet areas downstream G5
( Wood duck, Swans, Black duck, Whiteheaded Herons & White necked Heron (1)
5. White headed herons 14, Blackduck 4, Small Grebes 2, Masked Plover 4 in wet area upstream G5

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 12.60 0.10 8.71 83.1 0.29
Previous 12.9 0.1 7.8 74.6 2.7
Median 13.5 0.10 8.17 79.50 0.3
0.5m 12.50 0.10 8.77 82.2 0.29
Previous 13.8 0.1 8.6 82.7 2.9
Median 13.5 0.10 8.17 79.50 0.3
1.0m 12.40 0.10 8.88 82.9 0.29
Previous 12.8 0.1 7.8 73.5 2.7
Median 13.4 0.10 8.22 79.60 0.3
1.5m 12.40 0.10 8.90 83.1 0.29
Previous 13.8 0.1 8.6 83.5 3.0
Median 13.4 0.10 8.22 79.60 0.3
2.0m 12.40 0.10 8.80 82.5 0.30
Previous 12.8 0.1 7.7 73.1 2.8
Median 13.4 0.10 8.13 76.30 0.3
2.2m 12.40 0.10 8.78 82.0 0.30
Previous 13.8 0.1 8.6 83.4 2.9
Median 13.4 0.10 8.13 76.30 0.3

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 30 7.2
Previous 0.1 20 7.0
Median 0.1 30 7.2
Bottom 2.0 30 7.0
Previous 2.0 30 7.0
Median 2.2 30 7.2

Other details

Max depth 2.37
Previous 2.65
Median 2.91
Flow estimate N/A

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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