Observation details

Overview

Estuary Powlett River Estuary
Site Site two (Mouth of Powlett Road Bridge)
Observation ID #14726
Date and Time Friday 10th June 2022 03:20am
Approved Approved

Notes

Horiba meter used. Approximately 9 hours after opening. Water flowing so fast that I had to tie a weight to the meter. Meter was getting dragged so much by water flow that it could not reach the bottom due to being at an angle.

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 10.80 1.90 8.99 82.1 3.72
Previous 11.3 1.1 8.3 76.4 2.1
Median 17.4 24.20 6.93 77.40 38.6
0.5m 10.80 2.00 8.72 79.6 3.78
Previous 10.8 1.6 7.8 70.7 3.1
Median 17.4 24.20 6.64 77.40 38.6
1.0m 10.80 2.00 8.07 73.7 3.92
Previous 11.3 1.1 8.2 75.1 2.2
Median 16.2 25.80 6.32 72.90 40.7
1.5m 10.80 2.20 7.96 72.8 4.11
Previous 10.8 1.8 7.6 69.5 3.4
Median 16.2 25.80 6.06 72.40 40.7
2.0m 10.80 2.10 7.90 72.1 4.00
Previous 11.4 1.2 8.2 75.0 2.4
Median 16.1 26.80 5.44 66.60 42.2
2.5m 10.80 2.20 8.00 73.1 4.15
Previous 10.7 1.8 8.6 78.3 3.4
Median 16.1 26.80 5.32 66.50 42.2
3.0m 10.80 2.20 7.97 72.8 4.20
Previous 11.5 2.0 7.7 71.4 3.8
Median 16.0 30.10 3.95 52.60 46.4
3.5m 10.80 2.30 8.04 73.6 4.36
Previous 10.8 1.8 8.8 80.8 3.5
Median 16.0 30.10 3.16 37.50 46.4

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 93
Previous 0.1 61 7.2
Median 0.1 7 7.4
Bottom 3.5 107
Previous 3.9 63 7.1
Median 4.4 9 7.5

Other details

Max depth 3.60
Previous 4.00
Median 4.60
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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