Observation details

Overview

Estuary Gellibrand River Estuary
Site Bridge at Rivernook
Observation ID #12809
Date and Time Tuesday 2nd April 2019 16:10pm
Approved Approved

Notes

Very large number of small fish swimming actively around bridge & upstream (5-15 cm.)

Not able to continue beyond 4.00m because of getting covered with small biting ants

 

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 14.90 0.20 7.04 68.8 0.43
Previous 15.3 0.4 5.3 55.3 0.9
Median 16.4 0.40 6.22 66.20 1.1
0.5m 14.90 0.20 7.08 70.1 0.42
Previous 18.7 0.6 4.7 50.1 1.1
Median 16.6 0.50 6.80 71.00 1.1
1.0m 14.90 0.20 7.01 69.4 0.42
Previous 15.3 0.4 5.2 52.6 0.9
Median 16.3 0.40 6.14 65.30 1.1
1.5m 14.90 0.20 7.08 70.0 0.42
Previous 18.6 0.6 4.5 48.7 1.1
Median 16.5 0.50 6.73 70.30 1.1
2.0m 14.90 0.20 7.07 69.9 0.41
Previous 15.3 0.5 5.3 53.6 0.8
Median 17.8 0.50 5.32 66.30 3.3
2.5m 14.90 0.20 7.03 69.5 0.41
Previous 19.5 17.7 0.5 6.2 28.4
Median 18.1 17.70 6.81 69.60 28.4
3.0m 14.90 0.20 7.09 70.4 0.40
Previous 15.3 0.4 5.3 53.3 0.8
Median 17.8 19.90 4.01 48.60 31.9
3.5m 14.90 0.20 7.07 70.3 0.41
Previous 20.0 24.4 0.4 5.0 38.1
Median 18.1 24.10 4.01 48.60 37.9
4.0m 14.90 0.20 7.13 70.6 0.40
Previous 15.3 0.5 5.3 53.3 0.9
Median 17.7 21.40 4.07 47.00 34.2

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1
Previous 0.1 3 6.7
Median 0.1 9 6.7
Bottom 4.8
Previous 4.9 3 7.1
Median 5.1 5 7.0

Other details

Max depth 4.95
Previous 5.00
Median 5.41
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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