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G2 Old Coach Road Bridge Princetown

21 January 2023

Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #15256
Date and Time Saturday 21st January 2023 11:00am
Approved Approved

Notes

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 19.30 2.80 7.49 86.6 4.55
Previous 14.5 1.2 8.9 92.8 1.7
Median 14.6 1.20 8.21 80.10 1.8
0.5m 19.20 2.80 7.47 86.2 4.67
Previous 14.7 0.2 8.6 89.8 0.3
Median 14.6 1.20 7.95 79.80 1.8
1.0m 18.90 3.50 7.35 84.3 5.60 EC not stabilizing
Previous 14.4 1.5 8.9 91.9 2.2
Median 14.8 2.20 7.98 84.90 4.5
1.5m 17.80 28.00 8.47 95.0 37.40
Previous 14.7 0.2 8.6 89.7 0.3
Median 14.8 2.20 7.94 81.30 4.5
2.0m 17.10 33.80 8.40 93.0 43.60
Previous 14.9 37.0 8.0 84.1 45.0
Median 14.9 19.10 7.84 84.10 35.8
2.5m 17.10 37.00 5.64 62.4 47.30
Previous 14.7 0.2 8.6 89.5 0.3
Median 14.7 13.80 7.83 80.00 30.6
3.0m 16.70 39.00 3.65 40.0 49.10
Previous 15.2 39.0 8.0 84.9 47.5
Median 15.2 28.30 7.42 79.80 44.8
3.5m 16.60 39.30 3.30 36.1 49.30
Previous 14.7 0.2 8.6 89.2 0.3
Median 15.0 27.50 7.38 79.20 43.8
3.7m 16.60 39.40 3.10 33.9 49.40
Previous 14.7 0.2 6.4 67.2 0.3
Median 15.5 28.30 7.38 79.20 44.8

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 11 7.4
Previous 0.1 21 7.1
Median 0.1 13 7.0
Bottom 3.7 14 7.6
Previous 3.5 9 7.7
Median 3.9 21 7.0

Other details

Max depth 3.78
Previous 3.70
Median 4.00
Flow estimate Pool

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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