Observation details

Overview

Estuary Barwon River Estuary
Site The Heads
Observation ID #14332
Date and Time Wednesday 20th October 2021 09:20am
Approved Approved

Notes

Water colour very brown due to run off after heavy rain earlier in the week.

White foam forming along water line.

Further sites not visited on day as Carol finished at 10.00 and Ann reluctant to test at Boat Ramp jetty occupied by many fishermen (not regulars).

Water Levels and Tides

Low tide time 06:00

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 15.60 1.30 9.34 93.7 1.81
Previous 15.7 2.5 7.8 78.8 3.6
Median 14.5 38.50 9.83 93.10 55.0
0.5m 15.60 1.30 9.32 93.5 1.82
Previous 12.8 39.3 11.5 108.1 56.2
Median 13.7 38.50 9.83 93.10 55.0
1.0m 15.70 1.30 9.24 92.8 1.86
Previous 15.7 2.4 7.7 78.5 3.5
Median 14.5 38.50 9.81 92.80 55.0
1.5m 15.70 1.30 9.24 92.8 1.88
Previous 12.8 39.3 11.5 107.9 56.2
Median 13.7 38.50 9.81 92.80 55.0
2.0m 15.70 1.40 9.23 92.7 2.00 Electroconductivity reading did not stabilise.
Previous 15.7 2.4 7.7 78.5 3.4
Median 13.7 38.50 9.79 95.80 55.0
2.2m 15.70 1.40 9.22 92.6 2.00
Previous 12.8 39.3 11.5 107.7 56.2
Median 13.7 39.10 11.32 105.90 55.8

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 70 7.5
Previous 0.1 110 6.9
Median 0.1 9 7.5
Bottom 2.2 80 7.8
Previous 3.3 120 7.0
Median 2.9 9 7.8

Other details

Max depth 2.30
Previous 3.40
Median 3.00
Flow estimate Slow
Low tide time 06:00am

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
Creative Commons CC BY
All content, files, data and images provided by the EstuaryWatch Data Portal and Gallery are subject to a Creative Commons Attribution License

Content is made available to be used in any way, and should always attribute EstuaryWatch and www.estuarywatch.org.au