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  4. 19-10-2022

B1 The Heads

19 October 2022

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

Overview

Estuary Barwon River Estuary
Site The Heads
Observation ID #15091
Date and Time Wednesday 19th October 2022 09:30am
Approved Approved

Notes

EC readings would not stabilise. We took the average of the range.

While water appears cleaner than four days ago, it was still very brown and murky. There was no apparent debris.

The speed of the water flow made it difficult to get accurate depth readings.

Water Levels and Tides

Low tide time 12:30

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 16.30 0.60 4.12 42.2 0.88
Previous 13.2 36.3 10.6 101.8 51.8
Median 15.6 36.10 9.32 91.60 51.5
0.5m 16.10 0.60 4.02 41.0 0.88
Previous 13.6 33.0 9.9 96.4 47.2
Median 15.6 36.10 9.32 91.60 51.5
1.0m 16.10 0.60 4.01 40.9 0.88
Previous 13.2 37.0 10.7 102.4 52.8
Median 15.6 36.00 9.24 92.20 51.4
1.5m 16.30 0.60 4.05 41.3 0.86
Previous 13.4 35.4 10.0 96.9 50.6
Median 15.7 36.00 9.24 92.20 51.4
2.0m 16.30 0.60 4.01 40.9 0.88
Previous 13.1 37.0 10.7 102.4 52.9
Median 14.4 36.30 9.53 94.90 51.9
2.5m 16.20 0.60 3.99 40.6 0.87
Previous 13.4 35.6 10.1 96.9 50.8
Median 14.4 36.20 9.40 92.60 51.7
3.0m 16.20 0.60 3.98 40.6 0.89
Previous
Median
3.4m 16.20 0.60 3.97 40.5 0.89
Previous
Median

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 70 7.8
Previous 0.1 13 7.9
Median 0.1 9 7.7
Bottom 3.4 70 7.4
Previous 2.4 9 7.7
Median 2.4 9 7.9

Other details

Max depth 3.50
Previous 2.50
Median 2.50
Flow estimate Fast
Low tide time 12:30pm

Observation Documents

Link Date File name Description

Download 		25-10-2022 12:36 image_9.jpg

Preceding Observations

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