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  4. 18-05-2013

Po6 Site six (Fishing Hole)

18 May 2013

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

Overview

Estuary Powlett River Estuary
Site Site six (Fishing Hole)
Observation ID #5140
Date and Time Saturday 18th May 2013 10:04am
Approved Approved

Notes

River width and lack of access made it impossible to read bottom depth.
The bottom sample of water had a very strong odour. The low oxygen would indicate that there was very little movement of the deeper water leading to anaerobic conditions.

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 10.80 1.50 7.04 65.0 2.95
Previous 18.8 30.0 0.6 8.5 46.9
Median 13.6 0.30 6.58 65.30 0.6
0.5m 11.40 8.90 7.28 70.3 12.50
Previous 19.0 2.4 6.0 65.3 0.0
Median 13.6 0.30 6.91 66.60 0.6
1.0m 11.90 16.30 5.84 60.5 26.50
Previous 18.5 30.6 0.1 1.3 46.9
Median 13.6 0.30 6.72 64.40 0.6
1.5m 14.90 29.40 0.13 0.7 45.30
Previous 19.6 18.9 1.2 15.1 0.0
Median 13.6 0.30 6.95 64.90 0.6
2.0m 17.00 33.10 0.04 0.6 50.40
Previous 18.5 30.6 0.0 0.2 47.0
Median 12.2 0.30 7.99 68.80 0.7

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 20 7.7
Previous 0.1 15 7.7
Median 0.1 30 7.5
Bottom 2.0 28 7.3
Previous 3.0 18 7.5
Median 2.5 30 7.5

Other details

Max depth 2.00
Previous 3.00
Median 2.70
Flow estimate Slow

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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