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  5. 24-03-2023

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G2 Old Coach Road Bridge Princetown

24 March 2023

Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #15379
Date and Time Friday 24th March 2023 11:30am
Approved Approved

Notes

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 17.20 2.10 8.59 95.0 3.01
Previous 19.4 3.4 7.4 86.0 5.6
Median 13.9 1.20 8.27 84.30 1.3
0.5m 17.20 2.10 8.54 94.5 3.00
Previous 19.2 2.8 7.5 86.2 4.7
Median 13.9 0.30 8.39 84.30 1.3
1.0m 17.20 2.10 8.26 91.3 3.07
Previous 17.5 36.6 9.2 102.6 47.2
Median 14.4 1.50 8.38 86.90 2.2
1.5m 18.30 9.40 5.91 66.7 13.93
Previous 17.8 28.0 8.5 95.0 37.4
Median 14.4 0.70 8.38 86.90 2.2
2.0m 18.30 33.10 4.68 52.9 43.90
Previous 17.3 39.7 9.3 103.3 50.6
Median 14.7 37.00 8.21 84.80 43.9
2.5m 18.30 37.80 4.63 52.4 49.50
Previous 17.1 37.0 5.6 62.4 47.3
Median 14.7 13.80 8.21 84.80 43.9
3.0m 18.30 38.70 2.79 31.5 50.50
Previous 17.0 40.5 5.3 58.0 51.1
Median 14.7 39.00 7.76 84.20 44.8
3.5m 18.20 39.10 2.45 27.7 50.90
Previous 16.6 39.4 3.1 33.9 49.4
Median 14.7 24.80 7.81 84.90 44.8
3.8m 18.20 39.20 2.40 27.1 51.00
Previous 15.2 39.0 8.0 84.9 47.5
Median 14.7 24.80 7.81 84.90 29.4

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 10 7.4
Previous 0.1 12 7.0
Median 0.1 13 7.0
Bottom 3.8 80 7.3
Previous 3.6 11 7.4
Median 3.7 15 7.2

Other details

Max depth 3.90
Previous 3.75
Median 3.88
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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