Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #1681
Date and Time Saturday 14th February 2009 10:40am
Approved Approved

Notes

Water about 8 cm below fishing platform

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 19.30 3.80 7.28 80.6 outboard motor activity may have raised surface levels
Previous 22.7 4.0 5.8 70.1
Median 15.0 2.00 6.40 63.20
0.5m 19.00 3.80 7.15 79.5
Previous 19.0 3.8 7.2 79.5
Median 15.0 2.00 6.45 63.20
1.0m 18.80 3.90 7.50 83.7
Previous 24.1 14.9 1.0 9.2
Median 16.0 5.70 5.74 62.00
1.5m 18.90 6.50 4.81 64.2
Previous 18.9 6.5 4.8 64.2
Median 16.0 5.70 5.77 63.50
2.0m 21.70 23.00 2.78 36.5
Previous 22.4 28.5 3.5 47.5
Median 16.2 26.50 4.31 50.50
2.5m 21.90 28.10 1.32 17.8
Previous 21.9 28.1 1.3 17.8
Median 16.2 26.50 4.44 54.00
3.0m 21.10 29.80 0.33 4.5
Previous 20.0 31.3 0.4 5.4
Median 16.3 31.00 3.52 42.90
3.5m 20.50 30.60 0.29 3.8
Previous 19.7 31.2 0.2 3.4
Median 16.3 31.00 3.58 42.90
3.8m 19.70 31.20 0.25 3.4
Previous 19.9 32.3 2.1 20.2
Median 16.2 30.90 3.58 42.90

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 10
Previous 0.1 10
Median 0.1 15
Bottom 3.8 10
Previous 3.9 10
Median 3.2 15

Other details

Max depth 3.91
Previous 3.85
Median 3.50
Flow estimate Pool

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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