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  4. 17-01-2009

G2 Old Coach Road Bridge Princetown

17 January 2009

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

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #1505
Date and Time Saturday 17th January 2009 10:00am
Approved Approved

Notes

Weeds in area such as hemloch and a pea variety that is unidentified. A pied cormorant has been situated under the bridge for 2 days, flew away down stream during the testing.

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 17.00 3.00 7.28 75.5
Previous 17.9 4.5 7.5 80.2
Median 15.0 2.00 6.30 61.80
0.5m 17.00 3.00 6.95 76.9
Previous 16.0 5.0 6.0 62.5
Median 15.0 2.00 6.30 61.80
1.0m 18.40 20.90 7.20 85.8
Previous 18.2 24.0 6.8 83.3
Median 16.0 5.70 5.69 61.70
1.5m 18.50 29.20 6.98 87.2
Previous 16.9 29.1 4.9 58.9
Median 16.0 5.70 5.69 61.70
2.0m 18.40 31.40 6.35 77.8
Previous 17.4 32.5 4.0 50.5
Median 16.1 26.50 4.12 50.20
2.5m 18.30 33.30 6.15 76.5
Previous 16.8 32.6 5.0 63.7
Median 16.1 26.50 4.31 50.20
3.0m 18.20 33.40 5.65 73.8
Previous 17.3 32.9 2.5 29.9
Median 16.2 31.00 3.58 42.90
3.4m 18.20 33.60 5.41 70.1
Previous 16.7 32.8 3.4 42.9
Median 16.1 30.90 3.58 42.90

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 15
Previous 0.1 10
Median 0.1 15
Bottom 3.4 10
Previous 3.2 15
Median 3.1 15

Other details

Max depth 3.54
Previous 3.27
Median 3.40
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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