Observation details

Overview

Estuary Barwon River Estuary
Site The Thunderbolt
Observation ID #11859
Date and Time Wednesday 28th February 2018 10:04am
Approved Approved

Notes

  • This monitoring was conducted as part of the Index of Estuary Condition.
  • The CCMA YeoKal was used.  It can measure turbidity below 9NTU.

Water Levels and Tides

Low tide time

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 19.00 30.70 6.67 86.3 47.20
Previous 21.2 33.8 8.5 96.5 48.3
Median 21.2 33.60 9.10 96.50 48.0
0.5m 18.90 30.70 6.12 78.8 47.20
Previous 17.1 12.6 9.1 94.9 18.0
Median 17.8 12.60 9.10 94.90 18.0
1.0m 19.00 30.70 6.10 78.5 47.25
Previous 21.0 35.0 8.4 95.4 50.0
Median 21.0 33.60 9.02 95.40 48.0
1.5m 19.00 30.70 6.25 80.9 47.26
Previous 17.1 13.0 9.0 93.7 18.6
Median 17.3 13.00 9.02 93.70 18.6
2.0m 19.00 30.80 5.85 75.2 47.29
Previous 20.9 35.5 8.3 93.4 50.7
Median 20.9 33.60 8.96 93.40 48.0
2.5m 19.00 31.10 5.76 74.7 47.70
Previous 17.0 13.3 9.0 93.2 19.0
Median 17.2 13.30 8.96 93.20 19.0
3.0m 19.20 31.00 5.89 77.0 47.96
Previous 20.9 35.7 8.2 92.6 51.0
Median 20.9 33.70 8.94 92.90 48.1
3.5m 19.20 31.50 5.72 74.7 48.40
Previous 17.0 13.4 8.9 92.9 19.1
Median 17.0 13.40 8.94 92.90 19.1
4.0m 19.40 31.80 5.61 73.3 48.80
Previous 20.9 35.8 8.2 92.5 51.2
Median 20.9 33.70 8.87 92.50 48.1
4.5m 19.50 31.90 5.57 72.4 48.90
Previous 17.0 14.0 8.9 92.2 20.0
Median 17.0 14.00 8.87 92.20 20.0
5.0m 19.60 32.00 5.51 72.7 49.17
Previous 17.0 14.3 8.8 91.7 20.4
Median 17.0 14.30 8.82 91.70 20.4
5.4m 20.10 32.80 5.60 75.9 50.30
Previous 16.9 13.9 8.5 88.7 19.9
Median 20.9 33.70 11.12 133.50 48.1

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 7 8.1
Previous 0.1 24 8.0
Median 0.1 32 8.0
Bottom 5.4 9 8.1
Previous 4.7 32 8.2
Median 6.0 32 8.0

Other details

Max depth 5.50
Previous 4.80
Median 6.00
Flow estimate Slow

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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