Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #8530
Date and Time Friday 18th October 2013 09:15am
Approved Approved

Notes

    1.91 G6 @07:25
  • Large rafts of dead phragmities floating downstream

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 12.10 0.70 8.58 80.2 1.43 strong nw wind -E.C. erratic
Previous 13.3 0.6 8.9 85.5 1.2
Median 16.8 1.90 7.51 76.90 3.6
0.5m 12.10 0.80 8.40 78.4 1.48 E.C. erratic
Previous 13.1 0.2 8.5 81.1 0.4
Median 17.3 2.10 7.51 76.90 4.0
1.0m 12.10 1.00 8.36 78.2 2.53 "
Previous 13.2 1.7 8.9 84.9 3.2
Median 17.3 7.40 7.34 78.00 12.6
1.5m 12.20 2.20 8.19 77.5 4.05 " very erratc
Previous 12.9 0.2 8.3 78.7 0.3
Median 17.4 7.70 7.34 78.00 12.8
2.0m 12.70 8.50 6.49 62.0 11.25 " "
Previous 14.0 16.4 8.5 90.9 26.5
Median 16.7 27.50 6.29 70.80 42.7
2.5m 13.30 16.60 8.50 88.9 27.15 " extremrly erratic
Previous 12.9 0.2 8.3 78.3 0.3
Median 17.0 27.50 6.29 70.80 42.7
3.0m 13.60 20.60 8.06 87.6 32.73
Previous 14.4 27.1 8.2 95.2 42.1
Median 16.9 31.10 4.15 50.90 47.6
3.5m 13.70 21.10 7.92 87.2 33.64
Previous 12.9 0.2 8.2 78.4 0.4
Median 16.9 31.20 4.15 50.90 47.8
4.0m 13.80 21.40 7.92 87.3 34.03
Previous 13.0 0.2 8.4 80.1 0.3
Median 17.0 32.20 1.08 10.40 49.1
4.2m 13.80 21.40 7.88 86.8 34.10
Previous 11.0 0.2 7.5 68.5 0.4
Median 17.0 32.20 0.98 8.67 49.1

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 20 6.6
Previous 0.1 15 6.5
Median 0.1 10 6.8
Bottom
Previous 3.6 6 6.8
Median 2.5 10 7.1

Other details

Max depth 4.25
Previous 3.94
Median 3.98
Flow estimate Medium

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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