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Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #17358
Date and Time Wednesday 17th December 2025 11:42am
Approved Approved

Notes

Unable to measure beyond 2.5m due to shorter lead length following repair  - to be replaced

Strong wind blowing surface up river so unable to ascertain river flow

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 18.30 2.10 7.80 83.0 3.38
Previous 14.6 2.0 7.8 77.2 1.4
Median 14.6 2.10 8.30 86.00 3.0
0.5m 18.30 2.10 7.77 82.8 3.40 unstablized EC
Previous 9.9 0.7 10.1 95.3 2.7
Median 14.5 2.10 8.33 86.00 3.0
1.0m 17.60 2.10 7.55 79.3 3.00 unstablized EC
Previous 14.6 19.2 7.5 75.1 1.5
Median 14.7 3.60 8.47 90.20 5.5
1.5m 17.40 15.50 7.29 76.3 21.70 unstablized EC
Previous 11.6 0.7 10.1 95.4 23.0
Median 14.7 3.60 8.61 90.60 5.5
2.0m 16.90 27.20 6.56 67.9 35.70
Previous 14.4 32.6 7.3 70.0 4.2
Median 14.9 31.60 8.37 87.60 42.2
2.5m 16.80 29.80 6.05 62.4 38.70
Previous 12.4 2.2 10.1 96.0 37.9
Median 14.9 31.60 8.51 88.90 42.2

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 15 7.0
Previous 0.1 24 7.2
Median 0.1 11 7.1
Bottom 3.8 12 6.9
Previous 4.0 24 7.4
Median 3.9 16 7.2

Other details

Max depth 3.93
Previous 4.15
Median 4.00
Flow estimate N/A

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