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  4. 17-11-2017

G5 Coxon's Bridge

17 November 2017

Overview Notes Depth Profile Top-Bottom Documents 1 Chart
Observation details

Overview

Estuary Gellibrand River Estuary
Site Coxon's Bridge
Observation ID #11597
Date and Time Friday 17th November 2017 08:30am
Approved Approved

Notes

AHD @ G6 estimate as the board is covered with silt  0.90

pH not taken

Water level low. Water lying in drains & only in very low areas from G6-G5. Ducks,WH @ WN herons in large no's feeding there. Cape pond weed reduced to small water covered areas

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 18.20 0.10 6.67 70.5 0.28
Previous 15.2 0.1 7.6 75.3 0.3
Median 17.6 0.10 7.41 70.60 0.3
0.5m 18.10 0.10 6.69 70.8 0.28
Previous 9.2 0.1 8.0 70.0 0.3
Median 17.6 0.10 6.72 70.00 0.3
1.0m 18.10 0.10 6.67 70.7 0.28
Previous 15.2 0.1 7.5 74.7 0.3
Median 17.6 0.10 6.97 69.70 0.3
1.4m 18.10 0.10 6.67 70.6 0.28
Previous 9.2 0.1 8.1 70.1 0.3
Median 17.6 0.10 6.57 69.50 0.3

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 12
Previous 0.1 20 6.7
Median 0.1 10 6.4
Bottom 1.4
Previous 2.6 7
Median 1.8 7

Other details

Max depth 1.50
Previous 2.70
Median 1.93
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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