Observation details

Overview

Estuary Gellibrand River Estuary
Site Bridge at Rivernook
Observation ID #13334
Date and Time Friday 20th September 2019 08:55am
Approved Approved

Notes

Very turbulent currents in all directions. Flats have drained but remain water logged. No water across gap in causeway

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 11.20 0.10 9.99 90.7 0.30 no wind
Previous 9.6 0.1 9.9 83.3 0.3
Median 15.3 0.40 6.98 71.00 0.9
0.5m 11.10 0.10 9.88 90.5 0.30 D.O. very slightly erratic
Previous 8.7 0.2 9.2 79.4 0.4
Median 15.3 0.40 6.97 70.10 0.9
1.0m 11.10 0.10 9.95 90.2 0.30 D.O. slightly erratic
Previous 9.6 0.1 9.9 87.3 0.3
Median 15.3 0.40 6.98 70.30 0.9
1.5m 11.10 0.10 10.00 90.8 0.30 "
Previous 8.7 0.2 9.3 80.0 0.4
Median 15.3 0.40 6.87 70.00 0.9
2.0m 11.10 0.10 10.17 92.1 0.30 "
Previous 9.6 0.1 10.0 87.7 0.3
Median 15.4 0.50 6.93 69.60 1.0
2.5m 11.10 0.10 10.15 92.8 0.30 "
Previous 8.7 0.2 9.4 80.0 0.4
Median 15.4 0.50 6.08 69.50 1.0
3.0m 11.10 0.10 10.17 92.4 0.30 "
Previous 9.6 0.1 10.1 88.4 0.8
Median 15.4 0.50 5.31 67.70 1.0
3.5m 11.10 0.10 10.14 92.0 0.30
Previous 8.7 0.2 9.4 81.2 0.4
Median 16.7 19.90 5.31 67.70 31.9
4.0m 11.10 0.10 10.18 92.5 0.30 D.O. more stable - flow upstream
Previous 9.6 0.1 10.1 88.7 0.3
Median 16.6 21.00 5.29 53.30 33.5
4.5m 11.10 0.10 10.13 92.0 0.30
Previous 8.7 0.2 9.4 80.9 0.4
Median 16.8 21.40 5.29 53.30 34.2
5.0m 11.10 0.10 10.20 92.7 0.30
Previous 9.6 0.1 10.0 88.2 0.3
Median 16.8 26.30 4.22 49.30 40.9

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 17 6.9
Previous 0.1 23 6.9
Median 0.1 14 6.8
Bottom 5.1 17 6.9
Previous 5.4 10 6.6
Median 5.1 9 7.0

Other details

Max depth 5.20
Previous 5.50
Median 5.23
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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