Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #7995
Date and Time Thursday 3rd January 2013 09:05am
Approved Approved

Notes

1. Scum forming on water along edges of channel in sheltered areas
2. Large no. of people around area

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 18.40 4.00 7.72 84.9 7.32
Previous 18.4 1.7 7.1 75.7 3.3
Median 14.4 1.60 8.01 78.80 2.5
0.5m 18.00 4.00 7.61 82.4 7.65
Previous 19.6 1.3 6.5 71.6 2.6
Median 14.4 1.60 8.03 79.10 2.5
1.0m 17.70 5.10 7.41 79.6 8.79 Salinity constantly changing
Previous 18.2 14.2 5.6 64.6 23.0
Median 14.4 4.70 7.63 80.40 8.8
1.5m 18.30 25.40 7.19 89.0 39.80
Previous 19.8 11.9 6.6 78.0 20.2
Median 14.4 4.70 7.90 81.30 8.8
2.0m 18.30 28.80 7.11 89.0 44.32
Previous 17.1 31.5 3.2 40.1 48.1
Median 15.4 24.90 6.74 76.50 39.2
2.5m 18.10 30.30 6.17 78.3 46.47
Previous 16.5 33.6 3.7 45.7 51.1
Median 15.4 24.90 6.74 77.10 39.2
3.0m 17.30 31.60 2.40 31.4 48.35
Previous 16.1 33.6 1.1 14.9 51.1
Median 15.6 29.30 5.36 66.00 45.2
3.5m 16.60 32.80 0.62 8.3 50.10
Previous 16.2 34.3 3.3 40.5 52.1
Median 15.6 29.30 5.36 67.00 45.2
3.9m 16.40 33.00 0.58 7.3 50.20
Previous 16.0 35.0 8.6 85.4 53.0
Median 15.4 28.80 5.36 67.00 44.5

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 10 6.7
Previous 0.1 30 6.8
Median 0.1 20 6.7
Bottom 2.5 10 7.1
Previous 2.5 30 7.0
Median 2.5 30 6.8

Other details

Max depth 3.95
Previous 3.90
Median 4.02
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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