Observation details

Overview

Estuary Gellibrand River Estuary
Site Bridge at Rivernook
Observation ID #12451
Date and Time Friday 19th October 2018 10:05am
Approved Approved

Notes

Probe attached to weighted rope throughout monitoring

Water flowing fast across dip in causeway

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 15.30 0.10 7.18 72.1 0.26 Wind N gusts 3-4
Previous 16.4 0.9 6.2 64.3 1.7
Median 17.3 0.30 6.20 64.30 0.7
0.5m 15.20 0.10 7.33 73.3 0.26
Previous 10.4 0.1 9.3 83.7 0.3
Median 18.1 0.30 6.20 66.20 0.7
1.0m 15.20 0.10 7.25 73.5 0.26
Previous 15.5 0.9 5.6 57.0 1.8
Median 17.3 0.40 5.99 62.50 0.8
1.5m 15.20 0.10 7.36 72.9 0.26 D.O. erratic
Previous 10.4 0.1 9.4 84.5 0.3
Median 18.0 0.40 6.13 65.30 0.8
2.0m 15.20 0.10 7.28 72.5 0.26 " extremely erratic
Previous 13.8 25.2 2.1 23.5 39.5
Median 18.1 0.50 4.32 48.70 3.3
2.5m 15.20 0.10 7.42 74.0 0.26 strong currents merging
Previous 10.4 0.1 9.5 84.8 0.3
Median 18.1 0.50 4.58 48.90 3.3
3.0m 15.20 0.10 7.32 73.0 0.26
Previous 10.4 0.1 9.5 84.8 0.3
Median 18.1 22.30 4.57 48.90 35.3
3.5m 15.20 0.10 7.41 73.7 0.26 Weighted rope &probe starting to drift
Previous 11.8 0.2 8.1 74.9 3.2
Median 18.1 22.30 1.95 24.80 35.3
4.0m 15.20 0.10 7.44 73.7 0.26
Previous 10.4 0.1 9.5 85.1 0.3
Median 18.1 26.20 4.40 49.00 40.9
4.5m 15.20 0.10 7.36 73.3 0.26
Previous 11.8 0.2 8.0 73.7 3.2
Median 18.1 26.20 1.92 24.40 40.9
5.0m 15.20 0.10 7.34 73.0 0.26
Previous 11.8 0.2 8.0 74.2 3.2
Median 17.7 29.60 0.38 4.60 45.6
5.5m 15.20 0.10 7.20 72.0 0.26
Previous 17.7 31.0 2.0 25.0 47.7
Median 17.7 29.60 0.29 3.80 45.6

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 50 6.6
Previous 0.1 19 7.0
Median 0.1 10 6.8
Bottom 5.5 35 6.7
Previous 2.9 40 6.8
Median 5.1 9 6.9

Other details

Max depth 5.60
Previous 3.00
Median 5.18
Flow estimate Fast

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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