Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #7912
Date and Time Saturday 3rd November 2012 10:40am
Approved Approved

Notes

AHD 0.67 @ 09:05 (G6. 1.56 @ 09:05)
0.60 11:10

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 15.50 0.70 7.88 78.9 1.43
Previous 13.4 0.2 7.5 71.8 0.4
Median 14.3 1.20 7.87 79.20 1.6
0.5m 15.10 0.80 7.83 78.0 1.52
Previous 10.3 0.2 11.1 99.2 0.3
Median 14.4 1.60 7.96 80.00 2.2
1.0m 15.00 0.80 7.83 78.0 1.62 EC constant change
Previous 13.2 0.2 7.4 70.6 0.4
Median 14.3 4.00 7.63 81.30 7.8
1.5m 14.70 14.20 6.76 72.8 23.82 Salinity wide range - constantly climbing
Previous 10.3 0.2 11.0 98.2 0.3
Median 14.4 4.30 7.90 82.20 8.0
2.0m 14.60 18.80 6.99 76.1 30.28
Previous 13.4 1.1 6.7 64.4 2.1
Median 15.5 24.90 6.70 74.80 39.2
2.5m 14.60 25.30 7.45 85.7 39.96
Previous 10.3 0.2 11.0 98.0 0.3
Median 15.5 25.20 6.73 75.40 39.4
3.0m 14.60 26.60 6.68 78.4 41.97
Previous 13.5 8.5 4.2 42.6 14.6
Median 15.8 29.40 4.71 57.90 45.4
3.5m 14.50 28.00 6.70 77.9 43.42
Previous 10.3 0.2 11.0 97.9 0.4
Median 16.1 29.60 4.86 58.30 45.6
3.6m 14.50 28.00 6.62 77.2 43.49
Previous 13.2 0.2 8.1 77.1 0.4
Median 16.1 29.60 4.71 57.90 45.6

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 15 6.6
Previous 0.1 20 7.3
Median 0.1 20 6.7
Bottom 2.5 10 6.7
Previous 2.5 20 7.1
Median 2.5 30 6.7

Other details

Max depth 3.75
Previous 3.80
Median 4.02
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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