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G4 Bridge at Rivernook

20 June 2025

Observation details

Overview

Estuary Gellibrand River Estuary
Site Bridge at Rivernook
Observation ID #17021
Date and Time Friday 20th June 2025 10:15am
Approved Approved

Notes

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 9.00 0.20 11.27 103.3 0.35
Previous 12.7 1.0 7.0 70.0 1.4
Median 14.3 0.30 8.19 80.70 0.3
0.5m 8.90 0.20 11.23 102.6 0.35
Previous 16.0 0.7 6.6 71.1 1.0
Median 14.4 0.30 8.41 81.80 0.3
1.0m 8.90 0.20 11.21 102.4 0.35
Previous 12.7 1.0 7.0 69.3 1.4
Median 14.2 0.30 8.15 80.50 0.3
1.5m 8.90 0.20 11.21 102.5 0.35
Previous 15.9 0.7 6.5 70.3 1.0
Median 14.3 0.30 8.19 81.50 0.3
2.0m 8.90 0.20 11.20 102.3 0.35
Previous 17.1 28.4 2.0 21.7 40.5
Median 14.2 0.40 8.17 80.30 0.3
2.5m 8.90 0.20 11.20 102.3 0.35
Previous 18.3 24.0 1.0 11.2 34.4
Median 14.2 0.40 8.17 81.30 0.3
3.0m 8.90 0.20 11.19 102.2 0.35
Previous 17.9 32.0 0.2 2.5 45.7
Median 14.9 21.50 7.53 79.10 0.4
3.5m 8.90 0.20 11.18 102.1 0.35
Previous 19.7 30.9 0.2 2.0 44.2
Median 14.9 21.50 7.71 79.30 0.4
4.0m 8.90 0.20 11.17 102.1 0.35
Previous 18.1 32.0 0.1 1.6 45.8
Median 15.4 26.00 7.27 73.80 32.4
4.5m 8.90 0.20 11.16 102.0 0.35
Previous 19.0 32.3 0.1 1.4 46.1
Median 15.4 26.00 7.37 77.90 32.4
4.9m 8.90 0.20 11.15 101.9 0.35
Previous 19.1 32.3 0.1 1.5 46.2
Median 15.3 24.80 7.37 77.90 0.4

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 14 6.0
Previous 0.1 9 6.0
Median 0.1 10 6.9
Bottom 2.2 12 6.0
Previous 5.8 9 6.5
Median 5.0 10 7.0

Other details

Max depth 4.98
Previous 5.90
Median 5.15
Flow estimate Slow

Observation Documents

Link Date File name Description

Download 		22-06-2025 16:06 IMG_7086.jpeg gp1_4

Download 		22-06-2025 16:06 IMG_7087.jpeg gp1_4

Download 		22-06-2025 16:06 IMG_7088.jpeg gp1_4

Preceding Observations

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