Observation details

Overview

Estuary Gellibrand River Estuary
Site Great Ocean Road Bridge at Lower Gellibrand
Observation ID #4483
Date and Time Friday 17th September 2010 09:03am
Approved Approved

Notes

1.AHD 2.76
2. NOP 1.936 0 SOP 2.772 2,940.4
3.Rainfall 10.09.10 to 17.09.10 =11.5ml
4. Blackwoods in full flower , large amount od flowers
and pollen in water
Aponogeton dist. flowering in drainage lines and
around G5
5. Bottom turbidity not taken
Water reddish brown colour
6. Flood levels reducing but flats between G6 & G4
underwater
7. Birds
1 Swan & 1 Cygnet
2 Swans & 2 Cygnets

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 10.80 0.10 7.87 71.1 0.27
Previous 10.8 0.1 8.2 73.2 0.3
Median 15.3 0.10 7.89 77.70 0.3
0.5m 10.70 0.10 7.82 70.5 0.28
Previous 9.7 0.1 7.6 66.8 0.3
Median 15.3 0.10 7.89 77.70 0.3
1.0m 10.70 0.10 7.89 71.2 0.27
Previous 10.4 0.1 8.2 73.6 0.3
Median 15.1 0.10 7.76 75.60 0.3
1.5m 10.70 0.10 7.94 71.0 0.27
Previous 9.7 0.1 7.6 66.8 0.3
Median 15.1 0.10 7.66 75.60 0.3
2.0m 10.70 0.10 7.91 71.2 0.27
Previous 10.4 0.1 8.2 73.3 0.3
Median 12.0 0.10 8.13 76.90 0.3
2.5m 10.70 0.10 7.91 71.4 0.27
Previous 9.7 0.1 7.6 66.8 0.3
Median 12.0 0.10 8.13 77.90 0.3
3.0m 10.70 0.10 7.96 71.6 0.27
Previous 10.4 0.1 8.2 73.3 0.3
Median 11.4 0.10 8.31 77.10 0.3
3.5m 10.60 0.10 7.96 71.8 0.27
Previous 9.0 0.2 9.1 78.7 0.3
Median 11.9 0.20 8.69 78.40 0.4
4.0m 10.60 0.10 7.95 71.7 0.27
Previous 11.9 0.1 8.2 76.1
Median 11.9 0.10 8.23 76.10

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 40 7.5
Previous 0.1 60 7.0
Median 0.1 20 7.0
Bottom
Previous 2.5 100 7.0
Median 2.0 30 7.0

Other details

Max depth 4.06
Previous 4.97
Median 2.32
Flow estimate Fast

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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