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  4. 15-03-2013

G2 Old Coach Road Bridge Princetown

15 March 2013

Overview Notes Depth Profile Top-Bottom Documents 0 Chart
Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #8162
Date and Time Friday 15th March 2013 11:35am
Approved Approved

Notes

1.AHD G2 1.08 @ 11:35
G6 1.60 @ 09:30
2.River perched- waves over berm reaching s/east side of estuary
3.Many small fish in water covered vegetation & small schools in main channel
4.Small cluster of dead squid (small) in water near boat launching area

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 21.40 2.20 6.21 71.9 4.09
Previous 23.2 1.9 6.6 78.9 3.6
Median 15.9 1.70 7.51 77.90 3.3
0.5m 21.20 3.00 7.52 86.1 5.54
Previous 22.8 1.9 6.6 77.5 3.6
Median 15.9 1.70 7.61 77.90 3.3
1.0m 21.20 4.00 7.93 91.4 6.81
Previous 23.3 3.7 7.6 90.8 6.7
Median 16.4 3.70 7.48 78.90 6.7
1.5m 20.60 17.80 7.07 86.8 28.83 all readings wide variation
Previous 22.6 6.1 8.4 99.6 9.4
Median 16.4 4.00 7.48 78.90 7.3
2.0m 20.00 23.80 6.98 87.9 37.38 " "
Previous 19.0 28.4 4.6 58.5 43.9
Median 16.1 21.50 6.26 70.80 35.4
2.5m 19.40 27.50 7.10 90.4 42.72 " "
Previous 18.8 29.8 4.0 51.4 45.8
Median 16.1 21.50 6.27 71.40 35.4
3.0m 18.60 30.70 3.49 44.8 47.07 " "
Previous 17.8 32.3 1.2 16.0 49.3
Median 16.2 29.40 4.86 53.90 45.3
3.5m 18.10 31.90 2.06 26.4 48.80
Previous 17.9 31.4 3.1 39.2 48.1
Median 16.2 29.40 4.94 54.00 45.3
4.0m 17.60 33.00 1.06 13.4 50.20
Previous 17.2 33.5 0.6 8.3 51.0
Median 16.9 30.30 1.70 16.10 46.9
4.4m 17.50 33.10 0.98 12.5 50.40
Previous 17.2 33.5 1.3 16.1 50.9
Median 16.9 30.30 1.78 20.40 46.9

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 10 6.7
Previous 0.1 15 6.8
Median 0.1 20 6.8
Bottom 2.5 10 7.8
Previous 4.3 15 7.1
Median 2.5 20 6.9

Other details

Max depth 4.47
Previous 4.42
Median 4.07
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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