Observation details

Overview

Estuary Powlett River Estuary
Site Site two (Mouth of Powlett Road Bridge)
Observation ID #4682
Date and Time Saturday 20th August 2011 07:30am
Approved Approved

Notes

Didn't have the Van Dorn so could not perform bottom turbidity and pH.
Adam McNally was also present.

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 11.60 1.50 7.50 68.0 2.80
Previous 8.4 1.1 9.4 80.7 2.1
Median 16.2 2.30 7.67 72.50 4.2
0.5m 11.70 1.60 7.00 64.0 2.30
Previous 10.4 0.8 7.8 70.3 1.5
Median 16.2 2.30 6.78 72.10 4.2
1.0m 11.70 1.80 6.84 63.4 3.40
Previous 10.2 21.4 7.3 75.4 34.1
Median 17.0 31.30 6.63 75.40 47.8
1.5m 11.70 3.70 6.91 64.0 6.20
Previous 10.4 0.8 7.8 70.0 1.5
Median 17.0 31.30 6.43 71.80 47.8
2.0m 12.20 29.40 7.16 80.3 45.45
Previous 11.8 29.1 8.7 92.7 45.5
Median 16.7 32.50 7.68 86.90 49.5
2.5m 12.30 30.40 6.87 77.5 46.85
Previous 10.4 0.8 7.8 69.9 1.6
Median 16.7 32.50 6.46 83.20 49.5
3.0m 12.40 30.90 6.62 80.7 47.57
Previous 12.3 32.2 6.7 75.8 49.5
Median 15.9 33.50 6.47 75.80 51.0
3.5m 12.40 31.00 6.08 68.7 47.70
Previous 10.4 0.9 7.7 69.6 1.9
Median 17.0 33.60 6.47 83.30 51.1

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 80 7.1
Previous 0.1 40 7.8
Median 0.1 30 7.5
Bottom 3.8
Previous 3.4 15 7.3
Median 3.6 15 8.0

Other details

Max depth 3.50
Previous 3.40
Median 3.60
Flow estimate Medium

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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