Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #10676
Date and Time Friday 6th January 2017 07:43am
Approved Approved

Notes

Monitoring undertaken early because of holiday traffic over bridge

AHD 0.38  -(G2)     G6 AHD board - not possible to take reading because of silt build up

Fisherman caught - Large Black Bream (2), eel (1).Toadfish (1) from fishing platform at G2 this morning.Toadfish very unusual in this area. Good catches have been reported over past month & include good size Silver Trevally & Mullet

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 20.30 4.20 7.17 80.5 7.62
Previous 20.5 4.4 5.8 66.2 7.8
Median 17.1 2.20 7.42 76.70 4.2
0.5m 20.30 5.30 6.78 77.2 9.27
Previous 16.9 5.0 7.0 74.2 8.9
Median 16.9 2.00 7.42 76.70 4.0
1.0m 19.90 5.60 6.63 75.5 9.92
Previous 18.4 30.5 6.8 86.1 46.8
Median 17.5 3.60 7.27 78.40 6.8
1.5m 20.30 22.10 6.16 77.4 34.90
Previous 17.8 24.4 6.2 75.9 38.8
Median 17.5 3.00 7.27 77.30 5.5
2.0m 18.20 31.60 5.19 66.6 48.25
Previous 18.0 31.9 7.1 91.0 48.8
Median 16.8 27.00 7.24 78.40 42.0
2.5m 17.70 32.70 4.90 62.5 49.87
Previous 16.7 32.5 6.5 81.9 49.5
Median 16.7 25.00 7.24 77.20 39.1
3.0m 17.60 33.00 4.66 59.6 50.30
Previous 17.1 32.2 6.0 77.3 49.2
Median 17.1 32.20 5.10 60.80 49.2
3.5m 17.50 33.20 3.58 45.7 50.50
Previous 16.4 33.4 4.3 53.6 50.8
Median 16.8 32.00 4.88 60.30 48.6
3.8m 17.50 33.20 3.42 33.6 50.50
Previous 16.4 32.6 7.0 88.4 49.8
Median 17.3 32.00 5.10 60.80 48.6

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 6.9
Previous 0.1 10 6.8
Median 0.1 9 6.8
Bottom 3.8
Previous 4.1
Median 4.0

Other details

Max depth 3.87
Previous 4.17
Median 4.17
Flow estimate Pool

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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