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  4. 02-07-2011

G2 Old Coach Road Bridge Princetown

2 July 2011

Overview Notes Depth Profile Top-Bottom Documents 0 Chart
Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #5765
Date and Time Saturday 2nd July 2011 10:25am
Approved Approved

Notes

1. Monitoring done on east side of bridge (upstream) as a large build up(1m.+) of roots & mud has been deposited in channel where data is usually collected
Old site 2.00m new site 3.20m (old bridge marker = 3.20)
2. AHD 0.45
3.NOP 1.386 -1.0 SOP 2.186 -1.0

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 9.20 0.30 8.92 78.4 0.56
Previous 11.4 0.1 7.5 68.5 0.4
Median 13.7 0.70 7.42 72.30 0.9
0.5m 8.90 0.30 8.84 77.4 0.56
Previous 8.6 0.6 9.2 78.7 1.2
Median 13.7 0.70 7.31 72.30 1.0
1.0m 8.90 0.30 8.87 76.5 0.56
Previous 11.3 0.2 7.4 67.2 0.3
Median 14.4 1.00 7.16 72.70 1.4
1.5m 8.90 0.30 8.83 76.6 0.56
Previous 8.7 1.0 8.5 78.0 9.0
Median 14.4 1.00 7.10 72.70 1.6
2.0m 8.90 0.30 8.82 76.9 0.56
Previous 11.3 0.2 7.5 68.5 0.3
Median 15.1 25.70 6.54 68.70 37.2
2.5m 8.90 0.30 8.70 73.9 0.56
Previous 10.5 23.4 7.8 82.1 37.2
Median 15.1 25.70 6.53 68.70 39.8
3.0m 8.90 0.30 8.75 75.0 0.56
Previous 11.3 0.1 7.5 68.3 0.3
Median 15.3 29.10 6.30 67.60 44.9
3.4m 8.90 0.30 8.67 74.6 0.56
Previous 11.5 26.2 7.5 82.4 41.5
Median 15.3 29.10 6.30 66.50 45.2

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 30 7.0
Previous 0.1 80 7.0
Median 0.1 30 7.2
Bottom 3.4 20 7.8
Previous 3.5 60 7.0
Median 2.5 30 7.3

Other details

Max depth 3.20
Previous 4.10
Median 3.63
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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