Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #13428
Date and Time Friday 22nd November 2019 10:30am
Approved Approved

Notes

AHD G2 0.46   G6 1.55 @ 08.30

Reactive Phosphorus test  0.06 @ both top & bottom levels

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 15.70 0.20 8.33 82.5 0.42
Previous 13.1 2.0 8.3 80.3 3.9
Median 17.7 2.00 6.72 70.60 3.7
0.5m 15.80 0.20 8.28 83.4 0.42
Previous 11.2 0.2 10.2 92.7 0.3
Median 18.1 2.00 6.72 70.60 3.6
1.0m 15.50 0.20 8.12 81.6 0.42
Previous 13.8 24.4 7.2 80.6 38.3
Median 18.0 4.90 6.39 70.10 8.2
1.5m 15.40 0.20 8.22 81.9 0.44
Previous 11.2 0.2 10.0 91.4 0.6
Median 18.0 4.90 6.39 70.10 8.2
2.0m 15.30 0.20 8.21 82.1 0.45 E.C. very erratic
Previous 13.7 29.9 7.3 96.0 46.1
Median 17.6 20.00 4.98 59.30 32.0
2.5m 15.30 0.20 8.08 80.2 0.48
Previous 11.1 0.2 9.8 89.1 0.4
Median 17.6 20.00 4.98 59.30 32.0
3.0m 15.40 0.30 7.92 80.1 0.56 E.C. erratic
Previous 13.7 30.2 7.3 84.3 46.5
Median 17.6 27.90 2.22 27.60 43.2
3.5m 15.40 0.40 7.81 78.8 0.68
Previous 11.1 0.2 9.5 86.9 0.4
Median 17.9 27.90 2.22 27.60 43.2
3.9m 15.40 0.40 7.20 69.2 0.84
Previous 9.4 0.2 9.4 81.5 0.4
Median 17.9 27.90 1.40 18.60 43.2

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 15 6.7
Previous 0.1 9 6.8
Median 0.1 9 6.8
Bottom 3.9 21 6.8
Previous 3.8 17 7.9
Median 4.5 9 7.3

Other details

Max depth 3.97
Previous 3.93
Median 4.55
Flow estimate Medium

Observation Documents

Link Date File name Description

Preceding Observations

C Estuary is closed to the sea. O Estuary is open to the sea. P Perched
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