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  4. 18-10-2019

G5 Coxon's Bridge

18 October 2019

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

Overview

Estuary Gellibrand River Estuary
Site Coxon's Bridge
Observation ID #13365
Date and Time Friday 18th October 2019 08:50am
Approved Approved

Notes

AHD G6  1.64 @ 08:30

Flow rate difficult to establish because of strong wind driven waves going upstream         but some probe drift downstream

Flats have nearly drained but water remaining in very low areas & drains where Cape pondweed is flowering prolifically

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 12.80 0.10 8.52 80.8 0.31 Very strong cold NW wind 5
Previous 10.8 0.1 10.2 92.2 0.3
Median 15.1 0.10 7.00 68.80 0.3
0.5m 12.50 0.10 8.46 80.7 0.31
Previous 9.4 0.1 10.2 89.5 0.3
Median 15.1 0.10 7.00 68.80 0.3
1.0m 12.80 0.10 8.41 79.8 0.31
Previous 10.7 0.1 10.3 93.4 0.3
Median 15.6 0.10 6.97 68.40 0.3
1.5m 12.80 0.10 8.33 78.8 0.31
Previous 9.4 0.1 10.3 89.7 0.3
Median 15.6 0.10 6.97 68.40 0.3
2.0m 12.80 0.10 8.40 79.7 0.31
Previous 10.7 0.1 9.7 87.5 0.3
Median 16.7 0.10 6.31 65.10 0.3
2.1m 12.80 0.10 8.37 79.2 0.31
Previous 9.4 0.1 10.3 89.9 0.3
Median 16.7 0.10 6.31 65.10 0.3

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 13 7.1
Previous 0.1 17 6.6
Median 0.1 12 6.6
Bottom 2.1 21 6.8
Previous 2.7 21 6.8
Median 1.9 12 6.6

Other details

Max depth 2.23
Previous 2.84
Median 2.05
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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