Observation details

Overview

Estuary Gellibrand River Estuary
Site Great Ocean Road Bridge at Lower Gellibrand
Observation ID #2081
Date and Time Saturday 4th July 2009 13:35pm
Approved Approved

Notes

1.Turbidity at G5.-60. G4.-60
2.Water over bank upstream G5. and between G4.-G5
3.Water flowing under bearer at G4
4.Area upstream from G4. mainly under water ,some water on flats below G4, but no water over OOR

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 10.30 0.20 8.45 75.2 1.Not possible to get accurate depth as probe
Previous 8.5 0.2 9.9 85.1
Median 13.6 0.10 7.61 74.30
0.5m 9.80 0.20 8.47 75.6 was drifting up to 4m. even with more weight
Previous 12.5 0.2 6.3 59.2
Median 13.6 0.10 7.54 71.80
1.0m 9.80 0.20 8.50 74.9 2.High turbidity =60-80.bottom 10cm measure
Previous 8.2 0.2 9.8 83.2
Median 13.6 0.10 7.75 75.00
1.5m 9.70 0.20 8.37 73.8 not taken
Previous 12.5 0.2 6.2 58.3
Median 13.6 0.10 7.65 71.20
2.0m 9.70 0.20 8.36 73.7 3 Water very brown
Previous 12.5 0.2 6.0 57.6
Median 13.4 0.10 7.65 72.80
2.5m 9.70 0.20 8.37 73.8 4. AHD G6. - 2.84
Previous 10.1 0.1 7.5 67.2
Median 13.4 0.10 7.65 72.80
3.0m 9.70 0.20 8.32 73.2
Previous 9.8 0.1 9.9 88.3
Median 9.1 0.10 9.86 85.60
3.5m 9.70 0.20 8.27 72.7
Previous 8.9 0.1 9.9 85.6
Median 9.1 0.20 9.86 85.60

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 60
Previous 0.1 15
Median 0.1 20
Bottom 2.5 80
Previous 1.9 15
Median 2.5 30

Other details

Max depth 3.95
Previous 2.00
Median 2.40
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
Creative Commons CC BY
All content, files, data and images provided by the EstuaryWatch Data Portal and Gallery are subject to a Creative Commons Attribution License

Content is made available to be used in any way, and should always attribute EstuaryWatch and www.estuarywatch.org.au