Observation details

Overview

Estuary Barwon River Estuary
Site The Thunderbolt
Observation ID #6285
Date and Time Saturday 20th August 2011 09:50am
Approved Approved

Notes

strong SW wind
sunny
some floating bubbles and foam
many birds
spoonbills ,egrets
one sea eagle

Water Levels and Tides

Low tide time 09:36

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 12.75 4.69 9.83 91.7 6.70
Previous 10.5 19.2 0.8 97.3 27.5
Median 15.5 14.42 8.20 97.30 20.6
0.5m 12.70 4.75 9.87 91.8 6.78
Previous 18.1 13.9 8.2 86.8 19.8
Median 18.1 14.42 9.71 98.20 20.6
1.0m 12.65 4.72 9.78 90.9 6.75
Previous 10.3 19.4 0.8 97.4 27.7
Median 15.4 15.40 7.56 96.70 22.0
1.5m 12.65 4.84 9.84 91.6 6.91
Previous 17.9 15.0 7.6 79.9 21.4
Median 17.9 15.40 9.59 96.70 22.0
2.0m 12.65 4.85 9.83 91.4 6.93
Previous 10.3 20.0 0.8 97.3 28.6
Median 15.4 16.10 7.32 96.10 23.0
2.5m 12.65 4.89 9.83 91.4 6.99
Previous 18.0 16.0 7.3 77.3 22.9
Median 18.0 16.10 9.54 96.10 23.0
3.0m 12.65 4.90 9.82 91.3 7.00
Previous 10.3 20.9 0.8 97.0 29.8
Median 15.3 16.38 7.27 95.70 23.4
3.5m 12.65 4.88 9.85 91.7 6.97
Previous 18.0 16.0 7.3 76.8 22.9
Median 18.0 16.38 9.51 95.70 23.4
4.0m 12.65 4.89 9.95 92.6 6.99
Previous 10.3 20.8 0.8 97.0 29.7
Median 10.3 20.79 0.82 97.00 29.7
4.5m 12.65 4.87 9.86 91.7 6.95
Previous
Median
5.0m 12.65 4.91 9.84 91.5 7.01
Previous
Median
5.5m 12.70 4.90 9.96 92.7 7.00
Previous
Median

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 40 7.9
Previous 0.1 15 8.3
Median 0.1 40 8.0
Bottom 3.0 40 7.8
Previous 4.0 15 8.3
Median 3.1 40 7.5

Other details

Max depth 5.60
Previous 4.10
Median 3.40
Flow estimate N/A
Low tide time 09:36am

Observation Documents

No documents found for this observation

Preceding Observations

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