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  4. 21-09-2022

B1 The Heads

21 September 2022

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

Overview

Estuary Barwon River Estuary
Site The Heads
Observation ID #15036
Date and Time Wednesday 21st September 2022 09:20am
Approved Approved

Notes

NB: Tom was also sampling.

Hach meter took a long while to stabilise on the EC reading.

Water Levels and Tides

Low tide time 12:26

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 14.00 32.60 9.84 96.0 46.50
Previous 12.1 19.9 9.1 84.8 28.4
Median 15.7 36.10 9.12 91.00 51.5
0.5m 13.60 33.00 9.94 96.4 47.20
Previous 11.6 28.1 9.4 86.8 40.1
Median 15.7 36.10 8.90 91.00 51.5
1.0m 13.50 34.20 9.97 96.4 48.90
Previous 12.1 19.9 9.1 84.6 28.4
Median 15.7 36.00 9.13 90.90 51.4
1.5m 13.40 35.40 10.04 96.9 50.60
Previous 11.6 27.7 9.3 86.1 39.6
Median 15.7 36.00 8.86 90.90 51.4
2.0m 13.40 35.50 10.06 97.0 50.70
Previous 12.0 19.6 9.1 84.3 28.0
Median 15.7 36.20 9.22 92.60 51.7
2.5m 13.40 35.60 10.05 96.9 50.80
Previous 11.6 36.0 10.3 94.9 51.4
Median 15.7 36.30 9.40 92.60 51.9

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 7.8
Previous 0.1 14 7.7
Median 0.1 9 7.7
Bottom 2.7 9 7.6
Previous 2.8 14 7.7
Median 2.4 9 7.9

Other details

Max depth 2.80
Previous 2.80
Median 2.50
Flow estimate Slow
Low tide time 12:26pm

Observation Documents

Link Date File name Description

Download 		21-09-2022 14:12 IMG_0909.jpg

Preceding Observations

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