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Observation details

Overview

Estuary Gellibrand River Estuary
Site Bridge at Rivernook
Observation ID #16759
Date and Time Friday 7th March 2025 09:58am
Approved Approved

Notes

Debbie Ferrari - also sampling

Lots of birdlife - ravens, ibis, herons, swans

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 19.10 1.00 5.21 60.1 1.44
Previous 19.7 1.7 5.3 61.9 2.5
Median 14.2 0.20 8.48 83.00 0.3
0.5m 19.00 1.00 5.16 59.3 1.42
Previous 21.9 0.4 3.6 43.9 0.6
Median 14.1 0.20 8.48 83.00 0.3
1.0m 18.90 1.00 5.13 58.9 1.47
Previous 19.6 1.8 5.3 61.5 2.5
Median 14.2 0.20 8.42 83.00 0.3
1.5m 18.90 1.00 5.11 58.5 1.48
Previous 21.7 0.5 3.4 41.0 0.6
Median 14.1 0.20 8.42 83.00 0.3
2.0m 19.80 28.90 5.30 61.9 41.30
Previous 19.1 31.7 2.2 25.5 45.3
Median 14.2 0.30 8.40 82.60 0.3
2.5m 20.20 31.20 5.80 68.2 44.60
Previous 21.6 13.3 1.3 16.9 19.0
Median 13.9 0.20 8.40 82.60 0.3
3.0m 19.80 32.10 1.87 21.8 45.80
Previous 18.7 32.2 1.1 12.3 46.0
Median 14.7 0.50 8.16 80.20 0.3
3.5m 19.40 32.60 0.26 3.1 46.50 DO very low
Previous 19.4 29.9 0.1 1.0 42.7
Median 14.4 0.30 8.16 80.20 0.3
4.0m 19.20 32.70 0.12 1.4 46.70 DO very low
Previous 18.6 32.2 1.0 11.6 46.0
Median 15.0 22.80 7.44 79.10 0.4
4.5m 19.10 32.70 0.08 1.0 46.70 DO very low
Previous 18.3 32.5 0.0 0.5 46.4
Median 14.7 0.30 7.44 79.10 0.3
5.0m 19.00 32.70 0.07 0.8 46.70 DO very low
Previous 18.6 32.3 1.0 10.9 46.1
Median 14.1 0.40 8.07 79.00 0.3
5.5m 18.90 32.70 0.07 0.8 46.70 DO very low
Previous 17.7 32.6 0.0 0.4 46.6
Median 14.1 0.40 8.39 81.20 0.3

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 6.5
Previous 0.1 9 6.5
Median 0.1 11 6.9
Bottom 5.5 9 6.5
Previous 5.2 9 6.3
Median 5.0 12 7.0

Other details

Max depth 5.55
Previous 5.34
Median 5.15
Flow estimate Slow

Observation Documents

Link Date File name Description

Download
07-03-2025 17:37 image_2.jpg

Download
07-03-2025 17:37 IMG_5495.jpeg gp1_4

Download
07-03-2025 17:37 IMG_5496.jpeg gp1_4

Download
07-03-2025 17:37 IMG_5497.jpeg gp1_4

Preceding Observations

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