Observation details

Overview

Estuary Gellibrand River Estuary
Site Great Ocean Road Bridge at Lower Gellibrand
Observation ID #2285
Date and Time Saturday 15th August 2009 12:00pm
Approved Approved

Notes

1. Water under bearer on Rivernook bridge.(G4.) Rivernook flats/Coe's west flats - no water
2.Coe's east, Barlow's, Pacer's & Duynhoven's under water
3.water in drainage chanel connecting to the river -midway between G4. and G5. Also upstream of G5
4.Aponogeton distachyon flowering between G5 & G4

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 10.30 0.10 9.19 81.9 ppt. is back to its normal 0.1
Previous 9.7 0.2 8.9 78.3
Median 13.5 0.10 7.61 71.80
0.5m 10.20 0.10 9.28 82.7
Previous 10.4 0.2 8.6 77.2
Median 13.6 0.10 7.61 71.80
1.0m 10.20 0.10 9.26 82.6
Previous 9.6 0.1 9.1 79.7
Median 13.4 0.10 7.75 71.40
1.5m 10.20 0.10 9.22 82.1
Previous 10.4 0.2 8.6 76.7
Median 13.6 0.10 7.75 71.40
2.0m 10.20 0.10 9.23 82.3 Probe drifting
Previous 9.6 0.2 8.9 78.7
Median 13.2 0.10 7.65 72.70
2.5m 10.20 0.10 9.20 82.0 '
Previous 10.4 0.2 8.5 75.7
Median 13.4 0.10 7.65 72.70
3.0m 10.20 0.10 9.13 81.4 '
Previous 9.6 0.2 8.7 77.4
Median 9.6 0.20 8.75 77.40
3.3m 10.20 0.10 9.07 80.8 Probe drifting about 3m.
Previous 10.4 0.2 8.5 75.5
Median 8.9 0.20 8.75 75.50

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 30
Previous 0.1 20
Median 0.1 20
Bottom 2.0 30
Previous 3.0 50
Median 2.5 30

Other details

Max depth 3.41
Previous 3.53
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
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