Observation details

Overview

Estuary Powlett River Estuary
Site Site two (Mouth of Powlett Road Bridge)
Observation ID #14947
Date and Time Tuesday 16th August 2022 11:15am
Approved Approved

Notes

After a peak of 8800ML/day of river flow at Foster/Powlett confluence, all salt/brackish water has been flushed out of the estuary. Water flowing very fast and is very turbid.

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 11.00 0.20 7.19 65.1 0.33
Previous 9.7 0.9 8.3 73.7 1.7
Median 15.5 19.90 7.39 76.40 32.3
0.5m 11.00 0.20 8.00 72.4 0.33
Previous 8.9 0.9 10.8 93.5 1.8
Median 15.6 21.20 7.39 77.40 34.2
1.0m 11.00 0.20 8.85 80.1 0.33
Previous 9.7 1.0 9.0 79.3 1.9
Median 14.8 25.50 6.52 72.80 40.4
1.5m 11.00 0.20 8.36 75.7 0.33
Previous 11.4 29.3 8.0 87.3 45.2
Median 15.1 25.80 6.52 72.80 40.7
2.0m 11.00 0.20 8.54 77.3 0.33
Previous 11.3 25.3 6.9 73.3 39.7
Median 14.7 26.50 5.69 67.70 41.8
2.5m 11.00 0.20 9.01 81.6 0.33
Previous 12.1 32.6 7.7 87.2 49.8
Median 15.0 26.80 5.69 67.70 42.2
3.0m 11.00 0.20 8.13 73.7 0.33
Previous 11.9 31.9 6.9 77.4 48.8
Median 15.6 30.10 4.78 55.00 46.4
3.5m 11.00 0.20 8.47 76.7 0.33
Previous 12.5 33.6 6.4 73.8 51.2
Median 15.6 30.10 4.78 55.00 46.4
4.0m 11.00 0.20 8.32 75.4 0.33
Previous 12.7 34.2 5.6 65.2 52.0
Median 16.8 30.70 1.23 15.30 47.2
4.5m 11.00 0.20 8.45 76.5 0.33
Previous 14.0 26.1 0.9 10.5 41.3
Median 16.9 30.70 1.23 15.30 47.2
4.7m 11.00 0.20 7.44 67.4 0.33
Previous 14.8 27.7 0.6 6.4 43.6
Median 16.9 30.70 1.23 15.30 47.2

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 187 7.0
Previous 0.1 41 7.2
Median 0.1 8 7.4
Bottom 4.7 188 6.9
Previous 3.7 8 8.0
Median 4.2 9 7.6

Other details

Max depth 4.80
Previous 3.80
Median 4.50
Flow estimate Fast

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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