Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #10187
Date and Time Wednesday 2nd March 2016 11:25am
Approved Approved

Notes

  • AHD 1.37
  • Large no. small (7cm) fish swimming near surface around bridge

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 21.60 1.10 6.17 70.6 2.07 E.C. erratic
Previous 20.2 1.8 7.1 78.9 3.5
Median 16.4 2.20 7.73 80.00 4.2
0.5m 21.50 1.20 6.44 73.4 2.33
Previous 18.8 1.3 6.3 68.0 2.4
Median 16.4 2.40 7.73 81.40 4.4
1.0m 21.20 1.40 7.22 82.2 2.71
Previous 20.2 1.9 6.9 77.1 3.6
Median 16.5 4.20 7.47 79.00 7.7
1.5m 20.90 1.50 7.32 82.5 2.83 D.O. erratic
Previous 19.1 1.6 5.9 64.9 3.0
Median 16.5 5.60 7.50 82.80 8.4
2.0m 20.00 1.70 7.13 81.3 3.25 "
Previous 21.2 11.3 1.4 17.2 18.9
Median 16.7 25.00 7.14 81.20 39.2
2.5m 21.10 6.50 0.05 0.6 11.33 "
Previous 21.0 14.4 5.1 59.7 23.7
Median 16.7 27.00 7.17 81.80 41.9
3.0m 21.30 26.60 0.63 8.3 41.33 "
Previous 21.0 31.3 0.4 4.4 47.9
Median 16.9 31.20 5.08 60.70 47.9
3.5m 20.90 30.80 0.08 1.2 47.25
Previous 21.1 31.5 2.0 22.6 48.2
Median 16.9 31.20 5.10 61.20 47.9
4.0m 20.00 31.70 0.03 0.4 48.74
Previous 19.1 32.4 0.0 0.4 49.4
Median 17.3 32.60 1.84 23.30 49.8
4.5m 19.10 32.20 0.02 0.4 49.19 E.C. erratic
Previous 21.2 32.3 0.0 0.3 49.4
Median 17.3 32.70 1.91 23.50 49.8
4.6m 18.70 32.30 0.03 0.4 49.31
Previous 19.1 33.5 0.2 2.4 49.6
Median 17.0 32.70 1.91 23.50 49.8

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 6.3
Previous 0.1 9 6.8
Median 0.1 9 6.8
Bottom
Previous 4.3
Median 4.3

Other details

Max depth 4.72
Previous 4.65
Median 4.12
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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