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  5. 15-08-2025

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G2 Old Coach Road Bridge Princetown

15 August 2025

Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #17343
Date and Time Friday 15th August 2025 11:20am
Approved Approved

Notes

Meter faulty - unable to get full reading

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 9.80 1.80 2.50 unstable EC. No reading DO
Previous 10.0 0.7 10.1 95.3 0.9
Median 14.6 2.10 8.33 86.00 3.0
0.5m 9.90 2.00 2.70 unstable EC
Previous 9.4 5.4 11.0 101.8 6.7
Median 14.6 2.10 8.30 86.00 3.0
1.0m 9.90 2.50 3.30 unstable EC
Previous 10.0 0.7 10.1 95.4 1.0
Median 14.8 3.60 8.61 90.60 5.5
1.5m 11.60 19.20 23.00 unstable EC
Previous 11.6 29.5 10.5 102.3 34.0
Median 14.8 3.60 8.47 90.20 5.5
2.0m 11.90 28.80 33.50
Previous 10.1 2.2 10.1 96.0 3.0
Median 15.8 31.60 8.51 88.90 43.2
2.5m 12.40 32.60 37.90
Previous 13.8 35.1 9.2 94.2 50.2
Median 15.8 31.60 8.37 87.60 43.2
3.0m 12.50 34.10 39.50
Previous 12.2 29.1 7.2 71.5 34.0
Median 15.5 34.40 7.22 78.90 47.8
3.5m 12.50 34.20 39.70
Previous 14.1 35.8 7.8 81.1 51.2
Median 16.4 34.60 7.38 79.20 47.8
3.9m 12.50 34.40 39.90
Previous 18.0 33.5 2.0 22.5 47.8
Median 16.4 34.40 7.15 78.90 47.8

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 7.7
Previous 0.1 14 5.8
Median 0.1 11 7.1
Bottom 3.9 9 7.3
Previous 4.5 14 5.8
Median 3.9 16 7.2

Other details

Max depth 3.97
Previous 4.64
Median 4.00
Flow estimate Slow

Observation Documents

Link Date File name Description

Preceding Observations

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