Observation details

Overview

Estuary Merri River Estuary
Site Fonterra Floating Pontoon
Observation ID #14590
Date and Time Saturday 9th April 2022 11:00am
Approved Approved

Notes

Little pied cormorant, Moorhen, Pacific black duck.

 

Thanks again guys, really good results.  Some interesting D.O. readings (high), but quite expected due to on-going dry and warm weather.  Basically indicates some additional oxygen producing activity occurring, which most likely is algal growth/bloom.  Thanks Jarred.

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 18.70 1.30 16.20 174.0 2.50
Previous 20.0 1.2 10.2 113.1 2.4
Median 15.6 1.20 8.48 77.80 2.2
0.5m 18.50 1.30 16.30 172.0 2.50
Previous 22.0 1.2 9.8 77.2 2.4
Median 15.6 1.20 8.02 77.20 2.2
1.0m 18.40 1.30 15.57 154.6 2.50
Previous 19.7 1.2 9.6 90.8 2.4
Median 15.1 1.20 8.08 75.10 2.2
1.5m 18.30 1.30 13.50 140.3 2.51
Previous 21.9 1.2 7.9 65.1 2.4
Median 15.1 1.20 7.92 74.00 2.2

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 13 8.6
Previous 0.1 10 8.2
Median 0.1 10 8.2
Bottom 1.5 12 8.6
Previous 1.5 14 8.2
Median 1.7 11 8.3

Other details

Max depth 1.60
Previous 1.70
Median 1.80
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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