Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #5062
Date and Time Friday 28th January 2011 11:20am
Approved Approved

Notes

1.AHD 0.0 water level below board ( low tide 0.13)
2.Small fish swimming near surface
3.. Float from auto monitor visiable under the bridge
4. Red algae in wetland west of township, pale algae on water north wetlands

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 19.40 2.40 5.00 55.0 4.01
Previous 19.1 0.2 2.4 26.3 0.4
Median 15.9 1.50 7.04 73.50 0.6
0.5m 19.40 2.30 4.95 54.9 4.52
Previous 19.7 0.2 2.0 22.7 0.4
Median 15.9 1.70 7.16 73.70 0.6
1.0m 19.10 6.20 5.08 56.0 22.08
Previous 18.9 0.2 2.4 25.2 0.4
Median 15.9 9.00 6.90 72.70 0.7
1.5m 18.90 27.20 5.23 66.9 42.52
Previous 19.7 0.2 2.0 22.6 0.4
Median 15.9 10.10 6.93 73.20 1.0
2.0m 18.90 28.80 5.46 70.9 44.06
Previous 18.8 0.2 2.2 24.3 0.4
Median 15.9 28.70 6.28 66.90 20.9
2.5m 18.90 29.80 5.33 69.3 45.99
Previous 19.7 0.2 2.1 22.8 0.4
Median 15.9 28.90 6.41 68.00 26.0
3.0m 19.10 30.20 5.19 68.0 46.39
Previous 18.8 0.2 2.2 23.6 0.5
Median 16.2 30.40 5.49 64.60 28.9
3.1m 19.10 30.30 5.14 67.6 46.51
Previous 19.6 0.2 2.0 22.3 0.4
Median 16.2 30.40 5.58 64.70 28.9

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 30 7.0
Previous 0.1 40 7.0
Median 0.1 20 7.0
Bottom 1.5 40 7.0
Previous 2.0 50 7.0
Median 2.9 20 7.0

Other details

Max depth 3.22
Previous 3.25
Median 3.45
Flow estimate Slow

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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