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  4. 16-01-2015

G4 Bridge at Rivernook

16 January 2015

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

Overview

Estuary Gellibrand River Estuary
Site Bridge at Rivernook
Observation ID #9336
Date and Time Friday 16th January 2015 09:15am
Approved Approved

Notes

  • Water drained off surrounding flats which remain water logged
  • Oily slick on water surface
  • Many small (2"-3") fish + some larger ones near bridge
  • Water hen & many ravens in area

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 17.60 0.10 5.86 61.4 0.28 Strong cold n/w wind
Previous 17.8 0.7 6.2 65.8 1.5
Median 17.6 0.60 6.03 63.60 1.2
0.5m 17.60 0.10 5.83 60.9 0.28
Previous 16.9 0.2 6.2 64.5 0.5
Median 17.6 0.60 6.03 63.60 1.2
1.0m 17.60 0.10 5.79 60.7 0.28
Previous 17.8 0.8 6.0 63.0 1.5
Median 17.6 0.70 5.68 61.70 1.3
1.5m 17.60 0.10 5.82 61.1 0.28
Previous 16.9 0.3 6.0 62.5 0.6
Median 17.6 0.70 5.68 61.70 1.3
2.0m 17.60 0.10 5.79 60.7 0.28
Previous 18.1 24.8 5.0 61.3 39.0
Median 18.0 22.90 4.68 49.10 36.0
2.5m 17.60 0.10 5.75 60.6 0.28
Previous 16.9 0.4 6.0 62.2 0.8
Median 18.0 22.90 4.68 49.10 36.0
3.0m 17.60 0.10 5.77 60.4 0.28
Previous 17.3 27.0 1.8 22.8 42.1
Median 18.0 28.40 3.36 42.90 43.9
3.5m 17.60 0.10 5.78 60.6 0.28
Previous 16.2 24.8 2.5 29.6 38.9
Median 18.1 28.60 3.39 43.20 44.2
4.0m 17.60 0.10 5.80 60.9 0.28
Previous 17.1 27.1 1.5 18.6 42.2
Median 18.0 28.70 2.78 34.80 44.6
4.5m 17.60 0.10 5.61 58.8 0.28
Previous 16.0 25.3 2.0 23.1 39.6
Median 18.0 28.90 3.09 39.40 44.7
5.0m 17.60 0.10 4.93 51.3 0.28
Previous 15.6 20.3 4.5 50.7 32.5
Median 18.0 28.90 3.09 39.40 44.7

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 14 6.2
Previous 0.1 9 6.8
Median 0.1 10 6.9
Bottom 5.0
Previous
Median

Other details

Max depth 5.05
Previous 5.40
Median 5.11
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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