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  5. 09-02-2025

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Ai1 Bridge over Aire River Estuary

9 February 2025

Observation details

Overview

Estuary Aire River Estuary
Site Bridge over Aire River Estuary
Observation ID #16716
Date and Time Sunday 9th February 2025 09:58am
Approved Approved

Notes

River level very high (1.7m). Quite a lot of storm damage observed on the travel down from Colac. Approx 50% of camping sites flooded.

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 20.50 7.90 91.0 6.02
Previous 24.1 6.5 83.6 4.9
Median 17.0 9.28 95.30 5.1
0.5m 20.90 7.40 85.1 6.02
Previous 18.4 7.9 86.9 9.1
Median 13.8 9.54 97.60 7.8
1.0m 20.90 7.23 82.7 6.04
Previous 24.9 6.7 79.0 6.3
Median 17.1 8.45 92.70 12.1
1.5m 20.80 7.16 81.7 6.02
Previous 17.8 7.2 79.3 12.1
Median 15.3 8.67 95.00 13.7
2.0m 20.80 6.94 80.8 6.14
Previous 22.7 6.1 78.0 26.5
Median 17.1 6.92 84.90 36.7
2.5m 21.80 3.64 53.0 19.00
Previous 17.1 7.2 91.9 50.9
Median 15.9 7.22 85.90 46.7
3.0m 22.20 1.31 24.2 20.00
Previous 21.3 2.1 28.0 39.9
Median 19.2 4.15 51.50 43.6
3.5m 21.90 0.57 5.3 27.32 Likely the probe was sitting on bottom mud
Previous 16.7 3.8 46.5 43.1
Median 16.7 4.15 51.50 43.6

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 8.1
Previous 0.1 10 7.0
Median 0.1 10 7.0
Bottom 3.4 17 7.3
Previous 3.6 9 6.8
Median 2.9 20 7.6

Other details

Max depth 3.50
Previous 3.75
Median 2.50
Flow estimate Pool

Observation Documents

Link Date File name Description

Download 		10-02-2025 09:11 TimePhoto_20250209_093706.jpg aip2_1

Download 		10-02-2025 09:11 TimePhoto_20250209_093736.jpg

Download 		10-02-2025 09:11 TimePhoto_20250209_093744.jpg aip2_1

Preceding Observations

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