Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #7565
Date and Time Friday 10th August 2012 10:40am
Approved Approved

Notes

1. AHD G2 0.72 at 10:40
0.69 at 09:45
G6 2.44 at 09:30
2. Small waves from entrance reaching G2
3. Water flowing below bearer at G4.
All flats are waterlogged but water visiable on flats from upstream G4 to just upstream of hills east of G5.
Water cover is also visiable from Rowans Gully to G6

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 9.60 0.60 9.23 81.3 1.23
Previous 9.7 0.2 8.9 78.1 0.4
Median 14.5 1.30 7.82 78.80 2.2
0.5m 9.60 0.60 9.18 80.7 1.28
Previous 10.4 0.2 9.4 84.1 0.4
Median 14.5 1.30 7.65 78.80 2.2
1.0m 9.60 0.70 9.20 80.7 1.30
Previous 9.6 0.2 8.7 76.0 0.4
Median 14.9 4.30 7.59 79.30 8.1
1.5m 9.60 0.70 9.14 80.4 1.35
Previous 10.4 0.2 9.4 83.0 0.3
Median 14.9 4.30 7.56 79.30 8.1
2.0m 9.60 0.80 9.00 79.3 2.88
Previous 9.6 0.2 8.7 76.5 0.4
Median 15.5 25.90 6.39 73.40 40.0
2.5m 9.70 2.20 8.07 71.4 3.51
Previous 10.4 0.2 9.4 83.0 0.4
Median 15.5 25.90 6.28 72.80 40.0
3.0m 9.80 3.20 7.57 68.3 12.25
Previous 9.6 0.2 8.7 76.3 0.4
Median 15.8 29.60 4.71 57.90 45.6
3.5m 11.20 22.50 7.90 82.9 35.68
Previous 10.4 0.3 9.1 81.4 0.6
Median 15.8 29.60 4.64 55.80 45.6
4.0m 11.50 24.20 7.92 84.4 37.69
Previous 9.6 0.2 8.7 76.0 0.4
Median 17.0 30.20 4.03 49.30 46.4

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 30 7.0
Previous 0.1 30 6.4
Median 0.1 20 6.6
Bottom 3.0 30 6.8
Previous 2.5 50 6.2
Median 2.5 40 6.8

Other details

Max depth 4.50
Previous 4.10
Median 3.95
Flow estimate Medium

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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