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  4. 10-12-2022

M2 Fonterra Floating Pontoon

10 December 2022

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

Overview

Estuary Merri River Estuary
Site Fonterra Floating Pontoon
Observation ID #15166
Date and Time Saturday 10th December 2022 10:45am
Approved Approved

Notes

Dusky Moorhen, Reed Warblers, Pacific Black Ducks.

 

Jarred - thanks everyone.  Interesting to see the DO's in the upper water levels are on the rise - most likely being driven by warmer surface water driving algae growth, typical of the summer season.

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 19.80 0.80 11.36 126.0 1.57
Previous 15.4 0.7 5.0 50.8 1.3
Median 15.4 1.30 9.76 86.10 2.5
0.5m 19.30 0.80 10.91 118.0 1.55
Previous 13.5 0.7 6.3 61.5 1.3
Median 14.7 1.30 9.76 91.80 2.5
1.0m 19.10 0.80 9.08 100.2 1.54
Previous 14.9 0.7 5.1 51.9 1.3
Median 14.9 1.30 8.91 81.50 2.5
1.5m 18.90 0.80 8.15 89.0 1.54
Previous 12.9 0.7 5.6 54.2 1.3
Median 14.7 1.30 8.91 83.30 2.5

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 30 8.2
Previous 0.1 17 7.7
Median 0.1 12 8.2
Bottom 1.5 27 7.9
Previous 2.2 19 7.7
Median 1.6 12 8.2

Other details

Max depth 1.70
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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