Observation details

Overview

Estuary Gellibrand River Estuary
Site Bridge at Rivernook
Observation ID #12806
Date and Time Monday 1st April 2019 16:35pm
Approved Approved

Notes

Depth was lower but monitoring did not proceed beyond 5.00m

Only low areas have visible water cover

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 15.30 0.40 5.38 54.0 0.80 No wind
Previous 18.7 0.6 4.7 50.1 1.1
Median 16.6 0.50 6.80 71.00 1.1
0.5m 15.30 0.40 5.32 55.3 0.85
Previous 18.7 0.6 4.7 50.1 1.1
Median 16.4 0.30 6.80 71.00 1.1
1.0m 15.30 0.40 5.27 52.8 0.85 E.C. erratic
Previous 18.6 0.6 4.5 48.7 1.1
Median 16.5 0.50 6.73 70.30 1.1
1.5m 15.30 0.40 5.25 52.6 0.89 "
Previous 18.6 0.6 4.5 48.7 1.1
Median 16.3 0.30 6.73 70.30 1.1
2.0m 15.30 0.40 5.37 53.9 0.91 "
Previous 19.5 17.7 0.5 6.2 28.4
Median 18.1 17.70 6.81 69.60 28.4
2.5m 15.30 0.50 5.32 53.6 0.80 " verry erratic
Previous 19.5 17.7 0.5 6.2 28.4
Median 17.8 0.50 6.81 69.60 3.3
3.0m 15.30 0.40 5.29 53.0 0.83 " extremely erratic -probe drifting
Previous 20.0 24.4 0.4 5.0 38.1
Median 18.1 24.10 4.01 48.60 37.9
3.5m 15.30 0.40 5.31 53.3 0.82 " " No drift
Previous 19.5 24.4 0.4 5.0 38.1
Median 17.8 19.90 4.01 48.60 31.9
4.0m 15.30 0.40 5.32 53.3 0.81 " " Probe drifting again
Previous 19.1 26.5 0.4 4.7 41.4
Median 18.0 26.10 4.07 47.00 40.6
4.5m 15.30 0.50 5.29 53.3 0.90 "
Previous 19.1 26.5 0.4 4.7 41.4
Median 17.7 21.40 4.07 47.00 34.2
5.0m 15.40 0.50 5.20 52.2 0.94 "
Previous 18.2 26.7 0.4 4.6 41.8
Median 17.7 26.70 0.61 7.50 41.8

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1
Previous 0.1 3 6.7
Median 0.1 9 6.7
Bottom 4.9
Previous 6.4 3 7.1
Median 5.3 5 7.0

Other details

Max depth 5.00
Previous 6.50
Median 5.60
Flow estimate Medium

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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