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  4. 21-02-2010

B1 The Heads

21 February 2010

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

Overview

Estuary Barwon River Estuary
Site The Heads
Observation ID #3402
Date and Time Sunday 21st February 2010 17:20pm
Approved Approved

Notes

incoming tide infact almost full (OPPS)
brisk southerly
slight chop
swimmers, many kids
no fish caught by fishers
sunny
lots of flying insects

NOTE hach 2 reports D.O. (mg/l) as 1.9% I have written as 10.9% I believe the hach maching is not showing the 0 This needs to be checked

Water Levels and Tides

Low tide time 11:30

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 22.20 35.14 10.90 50.2ms/cm114.8D.O.
Previous 20.7 36.0 9.1 119.3 49.1
Median 16.2 35.30 9.64 119.30 49.5
0.5m 21.90 35.07 10.90 50.1ms/cm115.6D.O.
Previous 19.3 35.2 9.4 49.5
Median 16.2 35.30 9.64 49.5
1.0m 21.80 35.07 10.90 50.1ms/cm115.9D.O.
Previous 20.6 36.0 9.1 119.3 49.2
Median 16.2 35.30 9.63 119.30 49.5
1.5m 21.70 35.07 10.90 50.1ms/cm116.3D.O.
Previous 19.2 35.2 9.3 49.5
Median 16.2 35.30 9.63 49.5
2.0m 21.70 35.07 10.90 50.1ms/cm116.7D.O.
Previous 20.6 36.0 9.1 119.6 49.5
Median 19.1 35.98 9.62 119.60 49.5
2.5m 21.60 35.07 10.90 50.1ms/cm117.5D.O.
Previous 19.1 35.1 9.3
Median 19.1 36.00 9.62
2.8m 21.60 35.07 10.90 50.1ms/cm117.4D.O.
Previous 13.9 34.7 10.7
Median 15.4 36.00 10.68

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 10
Previous 0.1 10
Median 0.1 10
Bottom
Previous 1.8 10
Median 1.2 10

Other details

Max depth 3.00
Previous 2.30
Median 2.30
Flow estimate N/A
Low tide time 11:30am

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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