Observation details

Overview

Estuary Barwon River Estuary
Site The Heads
Observation ID #15362
Date and Time Wednesday 15th March 2023 09:25am
Approved Approved

Notes

Very strong outgoing tide, so consequently hard to measure depths.

pH measured using litmus paper as meter couldn't be calibrated.

Water Levels and Tides

Low tide time 11:25

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 19.10 37.50 7.78 84.9 53.60
Previous 18.8 37.9 9.5 102.3 54.1
Median 16.1 36.30 8.90 92.10 51.9
0.5m 19.10 37.50 7.75 84.3 53.60
Previous 21.8 37.7 7.4 102.1 51.4
Median 15.6 36.30 8.85 91.00 51.8
1.0m 19.10 37.40 7.71 84.0 53.50
Previous 18.8 37.9 9.5 102.1 54.1
Median 16.3 36.80 8.86 92.40 52.6
1.5m 19.10 37.40 7.73 84.1 53.50
Previous 21.7 37.7 7.5 103.3 51.6
Median 15.6 36.80 8.81 91.10 51.9
2.0m 19.10 37.40 7.68 83.6 53.50
Previous 18.7 37.9 9.5 102.1 54.1
Median 17.2 37.00 8.83 92.60 52.9
2.5m 19.10 37.40 7.66 83.4 53.50
Previous 21.7 37.7 7.6 104.9 51.8
Median 16.2 37.00 8.75 92.20 51.9
2.7m 19.00 37.40 7.64 83.1 53.50
Previous 19.1 37.8 8.5 92.2 53.8
Median 16.2 36.30 8.83 92.20 52.9

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 8.0
Previous 0.1 9 8.0
Median 0.1 9 7.7
Bottom 2.7 9 8.0
Previous 2.5 9 8.0
Median 2.6 9 7.8

Other details

Max depth 2.80
Previous 2.60
Median 2.70
Flow estimate Fast
Low tide time 11:25am

Observation Documents

Link Date File name Description

Download
20-03-2023 14:27 IMG_2644.jpg

Preceding Observations

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