Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #7021
Date and Time Friday 30th March 2012 11:18am
Approved Approved

Notes

1.AHD 1.36 (River barred)
2.Water up to base of boards on fishing platform
3.Fish rising to surface near bridge
4.Wetlands & flats under water from Princetown to G4
5. South of channel under water from G4 to G5.

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 17.70 2.80 7.10 75.4 5.24
Previous 15.2 5.9 9.4 96.8 9.5
Median 13.6 0.80 7.96 78.30 1.1
0.5m 17.70 3.00 7.13 76.6 5.48
Previous 19.9 10.8 7.4 86.9 18.0
Median 13.6 0.80 7.96 78.30 1.1
1.0m 17.70 3.20 7.27 77.7 5.85
Previous 16.7 14.9 8.4 95.4 24.6
Median 13.7 1.60 7.82 76.60 3.6
1.5m 17.90 4.00 7.90 86.1 7.29
Previous 18.6 24.6 6.7 82.6 38.6
Median 13.7 1.60 7.82 76.60 3.6
2.0m 17.20 20.30 0.48 4.5 32.41 erratic with wide range
Previous 17.8 27.8 6.7 60.8 43.4
Median 14.7 27.00 6.57 70.30 42.4
2.5m 16.70 25.40 6.88 86.2 39.68
Previous 18.2 30.2 4.8 60.4 46.7
Median 14.7 27.00 6.57 73.90 42.4
3.0m 16.70 28.90 5.99 71.3 44.66
Previous 18.4 30.8 1.8 23.3 47.2
Median 14.7 30.10 5.13 61.10 46.4
3.5m 16.80 29.60 5.36 66.0 45.63
Previous 18.1 32.5 0.3 3.8 49.5
Median 14.7 30.10 5.36 62.90 46.4
4.0m 17.00 29.90 3.66 45.8 46.04
Previous 18.2 31.9 0.7 8.3 48.8
Median 17.1 30.60 4.13 54.80 47.8
4.5m 17.00 30.20 2.20 27.9 46.34
Previous 17.5 34.2 0.5 6.2 51.9
Median 17.1 30.60 4.56 58.20 46.7

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 15 6.7
Previous 0.1 10 6.6
Median 0.1 20 7.0
Bottom
Previous 4.3 10 6.6
Median 2.5 30 7.0

Other details

Max depth 4.67
Previous 4.42
Median 3.87
Flow estimate Pool

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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