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  4. 08-10-2022

M2 Fonterra Floating Pontoon

8 October 2022

Overview Notes Depth Profile Top-Bottom Documents 1 Chart
Observation details

Overview

Estuary Merri River Estuary
Site Fonterra Floating Pontoon
Observation ID #15070
Date and Time Saturday 8th October 2022 11:00am
Approved Approved

Notes

Thanks again Gary & Rachel.  Very fresh and turbid profile!  

As flagged Gary, we're currently looking at artificial opening at the Cutting so this information, particularly a consistent D.O. profile at or above 5mg/L, is really important to support such decision.  

Regards Jarred. 

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 15.60 0.20 5.30 53.5 1.34
Previous 13.5 0.7 6.3 61.5 1.3
Median 15.6 1.20 9.76 91.80 2.5
0.5m 15.40 0.70 5.03 50.8 1.33
Previous 11.3 1.6 8.5 77.8 3.0
Median 17.1 1.30 10.21 91.80 2.5
1.0m 14.90 0.70 5.10 51.9 1.33
Previous 12.9 0.7 5.6 54.2 1.3
Median 15.1 1.20 8.91 83.30 2.5
1.5m 14.90 0.70 5.14 51.9 1.30
Previous 11.1 1.6 7.7 69.9 3.0
Median 16.9 1.30 9.32 83.30 2.5
2.0m 14.90 0.70 4.88 49.4 1.33
Previous 12.9 0.7 5.7 54.2 1.3
Median 12.9 0.70 5.66 54.20 1.3

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 17 7.7
Previous 0.1 12 7.1
Median 0.1 10 8.2
Bottom 2.2 19 7.7
Previous 2.2 7 7.3
Median 1.6 11 8.2

Other details

Max depth 2.30
Previous 2.30
Median 1.70
Flow estimate N/A

Observation Documents

Link Date File name Description

Preceding Observations

C Estuary is closed to the sea. O Estuary is open to the sea. P Perched
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