Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #7711
Date and Time Saturday 8th September 2012 11:45am
Approved Approved

Notes

1.AHD 1.6

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 11.00 0.40 9.67 88.3 0.84
Previous 10.0 0.2 10.0 88.6 0.3
Median 14.5 1.20 7.87 80.00 2.1
0.5m 10.90 0.70 9.75 88.2 1.43
Previous 9.8 0.1 9.8 86.2 0.3
Median 14.5 1.20 7.82 79.20 2.1
1.0m 10.80 1.20 9.68 88.0 2.30 E.C. erratic
Previous 10.0 0.2 10.0 88.8 0.3
Median 14.9 4.30 7.63 81.00 8.1
1.5m 10.80 2.60 9.59 88.8 5.81
Previous 9.7 0.1 9.7 85.0 0.3
Median 14.9 4.30 7.56 80.40 8.1
2.0m 10.80 5.20 9.42 87.2 7.40
Previous 10.0 0.2 9.9 87.8 0.3
Median 15.5 25.40 6.39 73.40 39.7
2.5m 10.80 5.60 9.30 87.4 10.65
Previous 9.7 0.1 9.8 85.5 0.3
Median 15.5 25.40 6.28 72.80 39.7
3.0m 11.20 9.60 9.21 88.9 13.74 probe drifting upstream & downstream
Previous 10.0 0.2 9.9 88.2 0.3
Median 15.8 29.60 4.71 57.90 45.6
3.5m 11.30 13.60 9.04 90.9 24.99
Previous 9.6 0.1 9.6 84.5 0.3
Median 15.8 29.60 4.64 55.80 45.6
4.0m 11.50 17.40 8.94 91.4 28.27
Previous 9.6 0.1 9.7 84.9 0.3
Median 16.4 30.20 4.56 58.20 46.4
4.3m 11.50 16.60 8.94 91.5 27.79
Previous 9.6 1.3 8.2 72.4 2.8
Median 16.7 30.20 4.56 58.20 46.4

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 30 7.1
Previous 0.1 40 8.0
Median 0.1 20 6.6
Bottom 2.5 30 6.9
Previous 3.9 80 8.0
Median 2.5 30 6.8

Other details

Max depth 4.45
Previous 3.98
Median 4.02
Flow estimate Medium

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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