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  4. 03-05-2018

G2 Old Coach Road Bridge Princetown

3 May 2018

Overview Notes Depth Profile Top-Bottom Documents 2 Chart
Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #12016
Date and Time Thursday 3rd May 2018 10:45am
Approved Approved

Notes

AHD 0.42

Flats down stream G4 have drained leaving white powdery deposit on previously submerged veg. Upstream around around G5 water remains in low areas

Fish being caught from fishing platform @ G2

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 13.50 9.30 7.39 75.0 15.80 Wind NE 4 very cold
Previous 16.2 17.9 3.7 38.0 32.8
Median 18.0 1.80 6.92 71.30 3.5
0.5m 14.50 11.30 7.23 73.3 35.60 E.C. very erratic
Previous 14.7 3.2 3.3 33.4 5.7
Median 18.0 1.60 6.92 71.30 3.3
1.0m 16.00 27.50 5.30 64.0 42.80
Previous 17.3 31.2 5.5 65.7 47.8
Median 18.2 2.80 6.88 70.80 5.2
1.5m 16.90 31.30 7.00 86.0 48.00 D.O. erratic
Previous 15.0 6.9 0.8 8.4 11.9
Median 18.2 2.40 6.88 70.80 4.5
2.0m 16.80 31.90 7.96 99.4 48.80
Previous 17.3 33.3 6.3 80.4 50.7
Median 17.6 23.10 5.94 69.00 36.4
2.5m 16.80 32.70 7.13 89.6 49.90
Previous 15.1 7.4 0.4 4.1 12.8
Median 17.6 21.60 5.92 63.40 34.4
3.0m 16.90 33.00 7.07 89.0 50.20
Previous 17.3 33.4 6.1 78.1 50.8
Median 17.9 30.00 3.34 42.50 46.0
3.5m 16.90 33.00 7.08 89.4 50.30
Previous 15.1 7.7 0.2 2.4 13.3
Median 17.9 30.00 3.34 42.50 46.0
3.9m 16.90 33.00 7.13 89.8 50.30
Previous 17.9 30.7 1.8 23.4 47.1
Median 17.9 30.00 3.34 42.50 46.0

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1
Previous 0.1 15 6.7
Median 0.1 11 6.8
Bottom 3.9
Previous 3.5 3 7.2
Median 4.2 12 7.2

Other details

Max depth 3.97
Previous 3.55
Median 4.30
Flow estimate Slow

Observation Documents

Link Date File name Description
Download 04-05-2018 09:22 G2_20180503_0001.pdf

Download 		04-05-2018 09:22 Ge_20180503_wetlands_DS_G4_016.JPG

Preceding Observations

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