Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #8142
Date and Time Monday 4th March 2013 13:40pm
Approved Approved

Notes

  • Lots of small fish swimming at the surface.
  • S/E wind towards G2 and jet ski influencing readings.

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 23.50 4.40 6.73 80.5 7.97
Previous 21.5 4.8 6.5 76.1 8.6
Median 15.3 1.60 7.61 77.90 3.0
0.5m 23.00 4.40 6.57 79.0 7.83
Previous 18.2 4.7 6.3 69.5 8.4
Median 15.3 1.60 7.68 78.00 3.0
1.0m 21.90 5.20 6.32 74.2 9.03
Previous 18.4 27.4 4.8 59.7 43.7
Median 15.5 3.30 7.40 78.00 6.5
1.5m 18.80 27.40 4.99 62.5 42.66
Previous 18.1 26.4 5.6 68.3 41.0
Median 15.5 3.30 7.48 78.90 6.5
2.0m 18.20 29.50 3.66 46.5 44.75
Previous 17.3 33.3 3.6 45.5 50.3
Median 15.7 21.10 6.27 71.40 33.5
2.5m 17.60 31.30 3.79 47.8 48.02
Previous 17.5 30.0 3.7 47.5 48.9
Median 15.7 21.10 6.40 72.80 33.5
3.0m 17.50 32.60 2.93 37.2 49.68
Previous 17.1 33.6 5.2 40.4 51.0
Median 16.1 29.30 4.94 54.00 45.2
3.5m 17.20 33.50 2.76 32.1 51.00
Previous 17.0 33.7 3.6 46.4 51.2
Median 16.1 29.30 4.94 60.10 45.2
3.8m 17.10 33.50 2.70 34.4 51.00
Previous 17.0 33.6 4.3 54.0 51.1
Median 16.0 29.20 4.94 60.10 45.1

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 20 6.8
Previous 0.1 30 6.7
Median 0.1 20 6.8
Bottom 3.8
Previous 3.6 15 7.0
Median 2.5 20 6.8

Other details

Max depth 3.85
Previous 3.63
Median 4.05
Flow estimate Pool

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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