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  4. 09-10-2009

P2 Great Ocean Road Bridge at Aireys Inlet

9 October 2009

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

Overview

Estuary Painkalac Creek Estuary
Site Great Ocean Road Bridge at Aireys Inlet
Observation ID #2629
Date and Time Friday 9th October 2009 14:40pm
Approved Approved

Notes

Membrane replaced 5/10/09
Not possible to take bottom sample at this site with equipment provided
Top pH=7.0 (test strip)
Estuary opened artificially on 5/10/09.
Tide coming in. Not possible to determine freshwater inflow, but reservoir upstream is at 100% capacity

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 17.20 2.50 8.30 87.0
Previous 16.2 7.0 6.0 64.0
Median 17.1 29.40 6.00 71.00
0.5m 16.80 2.50 8.30 84.0
Previous 14.3 11.8 7.3 74.8
Median 18.7 29.40 6.00 71.00
1.0m 13.80 28.80 6.20 71.0 Distinct halocline
Previous 16.2 14.6 7.7 83.0
Median 16.8 29.20 5.30 67.00
1.5m 13.20 30.30 6.70 80.0
Previous 14.0 13.3 8.1 89.6
Median 17.5 30.10 5.30 67.00
1.9m 13.20 31.10 6.70 78.0
Previous 13.6 16.4 9.7 104.0
Median 17.5 30.10 5.30 63.00

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 30
Previous 0.1 10
Median 0.1 10
Bottom
Previous 2.6
Median 2.3

Other details

Max depth 2.00
Previous 2.20
Median 2.20
Flow estimate N/A

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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