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  4. 21-04-2018

G4 Bridge at Rivernook

21 April 2018

Overview Notes Depth Profile Top-Bottom Documents 1 Chart
Observation details

Overview

Estuary Gellibrand River Estuary
Site Bridge at Rivernook
Observation ID #11994
Date and Time Saturday 21st April 2018 12:05pm
Approved Approved

Notes

Water flow very dark & dirty with lots of debris. "skin" across water surface, more dense near streamside veg.

No water across causeway dip. Flats have drained from around G4 & downstream but flats closer to G5 are completely covered

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 14.20 0.30 6.90 67.2 0.55
Previous 16.4 0.6 6.2 63.6 1.1
Median 17.3 0.40 6.47 67.20 0.7
0.5m 14.10 0.30 6.80 66.2 0.51
Previous 16.6 0.6 4.4 54.1 1.1
Median 17.3 0.30 6.47 67.20 0.7
1.0m 14.10 0.30 6.75 65.7 0.55
Previous 16.3 0.6 6.1 62.5 1.1
Median 17.3 0.40 6.46 67.10 0.8
1.5m 14.10 0.30 6.73 65.3 0.53
Previous 16.5 0.6 4.4 45.2 1.1
Median 17.3 0.40 6.46 67.10 0.7
2.0m 14.10 0.30 6.72 65.2 0.53
Previous 18.1 23.7 3.3 40.1 37.4
Median 18.1 0.50 6.57 63.40 1.0
2.5m 14.10 0.30 6.81 66.3 0.52
Previous 17.8 23.7 1.8 21.5 37.2
Median 18.0 0.50 6.57 63.40 0.9
3.0m 14.10 0.30 6.73 65.6 0.55
Previous 18.1 30.3 1.9 24.8 46.7
Median 18.1 26.00 3.28 39.60 40.6
3.5m 14.10 0.30 6.88 66.6 0.52
Previous 17.8 29.9 0.1 0.7 46.0
Median 17.8 22.30 3.28 39.60 35.3
4.0m 14.10 0.30 6.83 66.5 0.53
Previous 18.0 31.8 1.9 24.4 47.3
Median 18.0 26.90 3.42 39.50 41.8
4.5m 14.10 0.30 6.89 67.0 0.53
Previous 17.7 30.2 0.0 0.4 46.4
Median 17.7 26.20 3.42 39.50 40.9
4.9m 14.10 0.30 6.65 64.8 0.55
Previous 18.8 20.7 0.4 4.7 33.1
Median 18.1 26.20 4.40 49.00 40.9

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1
Previous 0.1 6 6.5
Median 0.1 9 6.7
Bottom 5.0
Previous 6.0 1 7.0
Median 5.2 4 7.0

Other details

Max depth 5.05
Previous 6.10
Median 5.27
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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