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  4. 20-01-2017

G5 Coxon's Bridge

20 January 2017

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

Overview

Estuary Gellibrand River Estuary
Site Coxon's Bridge
Observation ID #10747
Date and Time Friday 20th January 2017 08:10am
Approved Approved

Notes

AHD G6 Board unreadable covered with silt (water level well down on last board)

Very slow flow with low water level

Flats  upstream G5 north side have all been cut & bailed

Ragwort prolific along sides of O.O.R U/S G5

 

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 17.90 0.10 6.71 71.9 0.25
Previous 15.9 0.1 7.7 78.4 0.3
Median 15.9 0.10 7.69 72.70 0.3
0.5m 17.90 0.10 6.72 70.6 0.25
Previous 14.8 0.1 8.0 79.1 0.2
Median 14.9 0.10 7.57 72.30 0.3
1.0m 17.90 0.10 6.61 70.0 0.25
Previous 15.9 0.1 7.7 77.2 0.3
Median 15.9 0.10 7.50 69.60 0.3
1.4m 17.90 0.10 6.57 69.5 0.25
Previous 14.8 0.1 7.9 78.3 0.2
Median 14.9 0.10 6.86 67.70 0.3

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 13 6.4
Previous 0.1 15 6.5
Median 0.1 9 6.5
Bottom 1.4
Previous 1.4 7
Median 2.0 7

Other details

Max depth 1.50
Previous 1.45
Median 2.10
Flow estimate Slow

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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