Observation details

Overview

Estuary Gellibrand River Estuary
Site Coxon's Bridge
Observation ID #13296
Date and Time Saturday 31st August 2019 09:10am
Approved Approved

Notes

AHD G6 2.73 @ 08:00

Water level high with fast flow down channel - 4 weights needed on rope

Turbidity & pH not taken at bottom depth because of fast flow

All flats both downstream & upstream to G6 still have extensive water coverage, Cape pond weed flowering prolifically around G5

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 9.50 0.10 9.96 88.2 0.28 Wind NE 3 (very cold)
Previous 8.9 0.2 9.0 77.3 0.4
Median 15.1 0.10 7.00 68.80 0.3
0.5m 9.40 0.10 10.24 89.5 0.28
Previous 11.6 0.1 8.4 77.2 0.3
Median 15.1 0.10 6.96 68.20 0.3
1.0m 9.40 0.10 10.27 89.8 0.28
Previous 8.8 0.2 9.0 77.5 0.4
Median 15.6 0.10 6.97 68.40 0.3
1.5m 9.40 0.10 10.28 89.7 0.28
Previous 11.6 0.1 8.1 75.2 0.3
Median 15.6 0.10 6.75 65.40 0.3
2.0m 9.40 0.10 19.30 90.1 0.28
Previous 8.8 0.2 8.8 76.2 0.4
Median 16.7 0.10 6.31 65.10 0.3
2.5m 9.40 0.10 10.26 89.9 0.28
Previous 16.0 0.1 5.3 54.2 0.3
Median 16.7 0.10 5.57 59.00 0.3
3.0m 9.40 0.10 10.07 87.8 0.28
Previous
Median
3.2m 9.40 0.10 9.90 88.2 0.28
Previous
Median

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 20 6.6
Previous 0.1 17 6.5
Median 0.1 12 6.8
Bottom 3.2
Previous 2.6 14 6.3
Median 1.9 12 6.6

Other details

Max depth 3.30
Previous 2.70
Median 2.05
Flow estimate Fast

Observation Documents

No documents found for this observation

Preceding Observations

C Estuary is closed to the sea. O Estuary is open to the sea. P Perched
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