Observation details

Overview

Estuary Gellibrand River Estuary
Site Coxon's Bridge
Observation ID #10931
Date and Time Thursday 9th March 2017 12:00pm
Approved Approved

Notes

AHD G2 1.46     G6 1.37

Small fish observed in water around bridge about 5-10 cm.  Many dragon flies         Fishermen report good catches of Estuary Perch from Kangaroobie up to G5

Turbidity ok but looks dark brown & murky

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 20.80 0.00 5.24 58.0 0.00
Previous 19.2 0.0 4.6 49.9 0.0
Median 14.9 0.10 7.69 72.30 0.3
0.5m 19.40 0.00 4.95 53.4 0.00
Previous 17.7 0.1 6.6 69.1 0.3
Median 14.8 0.10 7.69 72.30 0.3
1.0m 18.80 0.00 4.97 53.2 0.00
Previous 19.2 0.0 4.4 48.0 0.0
Median 14.9 0.10 7.62 72.00 0.3
1.5m 18.70 0.00 4.95 53.0 0.00
Previous 17.7 0.1 6.3 66.2 0.3
Median 14.8 0.10 7.62 72.00 0.3
2.0m 18.70 0.00 4.93 52.8 0.00
Previous 19.2 0.0 4.3 47.1 0.0
Median 10.4 0.10 7.78 73.50 0.3
2.1m 18.70 0.00 4.87 52.1 0.00
Previous 14.8 0.1 7.8 76.6 0.2
Median 10.4 0.10 8.21 76.60 0.3

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 6.7
Previous 0.1 9 6.4
Median 0.1 13 6.5
Bottom 2.1
Previous 2.1 7
Median 1.8 7

Other details

Max depth 2.22
Previous 2.23
Median 1.98
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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