Observation details

Overview

Estuary Powlett River Estuary
Site Site two (Mouth of Powlett Road Bridge)
Observation ID #4962
Date and Time Saturday 19th May 2012 07:46am
Approved Approved

Notes

Van Dorf out of action.
pH monitor not able to be calibrated so we used the pH strips.
Team coordinating beautifully in Estuary Watch raincoats.

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 12.20 0.40 7.01 65.0 0.78
Previous 17.9 30.6 6.4 80.0 47.2
Median 17.3 9.70 7.00 80.70 16.5
0.5m 12.10 0.40 7.03 65.0 0.78
Previous 17.3 12.7 7.4 83.5 20.2
Median 15.0 6.30 7.00 80.70 11.0
1.0m 12.10 0.40 7.02 65.0 0.78
Previous 17.9 34.2 2.8 36.0 52.2
Median 17.6 32.00 6.91 75.40 48.8
1.5m 12.10 0.40 7.00 65.0 0.82
Previous 17.6 32.7 4.4 56.5 49.9
Median 15.0 27.90 6.91 75.40 42.0
2.0m 12.10 0.40 6.80 65.0 0.85
Previous 17.5 34.7 2.9 38.0 52.6
Median 17.3 34.00 6.87 83.10 51.6
2.5m 12.10 0.50 6.90 64.7 0.96
Previous 17.4 34.0 6.5 83.1 51.6
Median 15.2 32.40 6.87 83.10 49.5
3.0m 12.40 8.20 7.10 70.0 14.20 halocline below 2.5 metres
Previous 16.6 34.6 2.6 33.6 52.5
Median 16.6 34.40 6.31 78.60 52.2
3.5m 13.20 19.60 5.70 68.0 31.50
Previous 17.3 34.4 6.3 81.0 52.2
Median 15.5 33.90 6.31 78.60 51.6

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 30 7.5
Previous 0.1 10 7.5
Median 0.1 15 7.7
Bottom 3.5
Previous 4.2 10 7.5
Median 3.8 10 7.7

Other details

Max depth 3.50
Previous 4.30
Median 4.00
Flow estimate Slow

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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