Observation details

Overview

Estuary Gellibrand River Estuary
Site Bridge at Rivernook
Observation ID #11105
Date and Time Saturday 22nd April 2017 09:10am
Approved Approved

Notes

West wind 3 (Sheltered by Phragmities)

At 2.00 m down probe started to drift up stream & downstream in response to pulsing from mouth / estuary. As the flow went upstream the E.C. rose from E.C.1.500 to 40.500 then dropped down as the probe went downstream

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 14.20 0.50 7.02 69.8 1.00
Previous 18.3 1.0 4.7 50.6 1.9
Median 17.3 0.20 6.43 67.60 0.5
0.5m 14.20 0.60 6.98 67.2 1.13
Previous 19.3 0.7 4.2 46.3 1.2
Median 17.3 0.20 7.08 68.60 0.5
1.0m 14.20 0.60 6.91 67.7 1.15
Previous 18.3 1.0 4.7 50.0 2.0
Median 17.4 0.20 6.31 64.70 0.5
1.5m 14.20 0.60 6.90 67.5 1.20
Previous 19.2 0.7 4.2 46.1 1.4
Median 17.4 0.20 6.99 66.00 0.5
2.0m 14.20 0.70 6.71 65.6 3.50
Previous 18.6 26.4 1.0 13.0 41.1
Median 18.3 0.70 5.02 61.70 1.3
2.5m 14.90 1.00 6.78 65.6 44.48
Previous 18.6 25.3 0.4 4.8 39.5
Median 18.3 0.70 7.13 62.20 1.3
3.0m 16.20 29.80 3.03 35.4 44.55
Previous 18.5 27.6 1.0 12.3 42.8
Median 18.3 25.40 3.95 46.70 41.9
3.5m 16.20 29.80 3.18 39.6 44.56
Previous 18.6 25.4 0.3 4.2 39.7
Median 18.3 25.40 4.17 51.00 41.9
4.0m 16.30 29.80 2.98 35.5 44.57
Previous 18.4 27.8 0.2 2.9 43.1
Median 18.1 27.30 3.60 45.80 42.4
4.5m 16.30 29.80 3.17 39.4 44.57
Previous 18.1 27.0 0.0 0.4 41.7
Median 18.1 27.30 4.32 52.30 42.4
5.0m 16.30 29.90 3.08 37.7 44.57
Previous 18.3 27.8 0.2 2.8 43.1
Median 17.9 27.80 4.45 53.70 43.1

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 6.3
Previous 0.1 9 6.4
Median 0.1 9 6.6
Bottom 5.1
Previous 5.5
Median 5.4

Other details

Max depth 5.20
Previous 5.65
Median 5.33
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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