Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #4942
Date and Time Friday 7th January 2011 10:30am
Approved Approved

Notes

1. AHD 0.34
2.Wetlands starting to dry, algae covering some areas.
Swan (1) with 5 cygnets
3.Culvert near flood marker O.O.R = PH 7.0

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 19.20 2.60 7.69 84.8 48.37
Previous 18.5 1.7 7.8 84.2 3.3
Median 15.9 1.70 7.04 73.70 0.6
0.5m 19.10 2.60 7.63 83.8 48.79
Previous 16.1 1.3 7.4 75.2 2.3
Median 15.9 1.80 7.04 73.70 0.6
1.0m 19.10 3.30 6.99 77.7 9.14
Previous 18.9 7.5 7.6 88.7 18.5
Median 15.9 11.80 6.90 73.50 1.0
1.5m 18.00 28.20 6.57 82.1 44.15
Previous 15.9 10.1 6.9 73.2 25.6
Median 15.9 12.90 6.90 73.50 1.0
2.0m 17.30 30.80 7.45 95.9 47.78
Previous 17.0 27.4 6.0 75.1 42.7
Median 15.9 29.30 6.10 66.90 26.0
2.5m 17.10 31.50 7.69 97.6 48.43
Previous 16.2 28.7 7.1 85.7 44.1
Median 15.9 29.40 6.28 66.90 26.0
3.0m 17.00 31.80 7.71 96.6 48.62
Previous 16.3 29.8 5.2 70.5 46.0
Median 16.2 30.80 5.35 64.60 41.7
3.3m 16.90 31.80 7.69 96.4 48.64
Previous 16.3 29.4 7.2 87.3 45.3
Median 16.2 31.30 5.49 64.60 28.9

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 20 7.5
Previous 0.1 30 7.3
Median 0.1 20 7.0
Bottom 2.5 20 7.5
Previous 3.8 40 7.5
Median 3.0 20 7.0

Other details

Max depth 3.55
Previous 3.83
Median 3.41
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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