Observation details

Overview

Estuary Gellibrand River Estuary
Site Coxon's Bridge
Observation ID #12450
Date and Time Friday 19th October 2018 09:05am
Approved Approved

Notes

AHD G6 2.55 @  08:45 - rising to 2.62 by 13:40

Water level rising quickly from rainfall in catchment & local heavy falls causing large amount of run off - very fast flow  ( 41 ml rain recorded @ G5 from 15-10-18)

Flats around G5 now have large areas of visible water cover

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 15.10 0.10 7.48 74.4 0.26
Previous 10.3 0.1 9.6 85.6 0.3
Median 17.3 0.10 6.69 70.80 0.3
0.5m 15.10 0.10 7.41 73.7 0.26
Previous 11.7 0.1 8.6 79.6 3.0
Median 17.3 0.10 6.36 69.20 0.3
1.0m 15.10 0.10 7.44 74.1 0.26
Previous 10.3 0.1 9.6 85.5 0.3
Median 17.2 0.10 6.67 70.60 0.3
1.5m 15.10 0.10 7.46 74.0 0.26
Previous 11.7 0.1 8.4 77.0 3.0
Median 17.2 0.10 6.35 66.80 0.3
2.0m 15.10 0.10 7.44 74.1 0.26
Previous 10.3 0.1 9.6 85.4 0.3
Median 15.7 0.10 7.28 73.20 0.3
2.5m 15.10 0.10 7.39 73.6 0.26
Previous 15.7 0.2 7.3 73.2 0.3
Median 15.7 0.10 6.30 66.40 0.3
2.9m 15.10 0.10 7.39 73.3 0.27
Previous 15.4 0.2 5.8 58.3 0.3
Median 17.2 0.10 6.30 66.40 0.3

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 60 6.6
Previous 0.1 13 6.8
Median 0.1 9 6.8
Bottom 2.9 60 6.6
Previous 2.4 15 6.6
Median 2.0 9 6.7

Other details

Max depth 3.00
Previous 2.45
Median 2.12
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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