Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #10332
Date and Time Saturday 14th May 2016 10:14am
Approved Approved

Notes

  • Mouth opened by Permit 12/5/16( 09:00 start)
  • AHD 1.04
  • Turbidity 30 at fishing platform
  • Flow extremely fast
  • Large no. small fish sheltering from flow in shallow water alongside streamside veg. near fishing platform
  • Large amount of 'black silt' coming up on weights
  • Water very dark & dirty , smells bad

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 13.90 2.80 3.55 34.8 4.76
Previous 14.7 2.3 6.8 67.6 4.9
Median 17.3 2.10 7.73 79.80 4.0
0.5m 13.90 2.30 3.38 33.8 4.18
Previous 15.8 2.0 7.2 73.3 4.0
Median 17.3 2.00 7.73 79.80 4.0
1.0m 13.90 2.60 3.54 34.9 4.37
Previous 14.4 6.1 8.1 81.1 10.8
Median 17.5 5.70 7.34 81.10 10.1
1.5m 13.90 2.60 3.42 33.7 5.22
Previous 17.1 11.4 0.6 5.4 18.9
Median 17.5 5.60 7.32 79.00 9.9
2.0m 13.90 2.70 3.26 32.9 6.02
Previous 15.1 20.9 7.3 82.2 33.3
Median 17.5 27.00 7.17 82.20 41.9
2.5m 14.00 3.50 3.20 31.7 6.57
Previous 19.1 27.0 5.1 65.1 42.0
Median 17.5 27.00 7.14 82.20 41.9
3.0m 14.00 4.20 2.95 29.3 6.93
Previous 18.5 31.2 3.0 38.8 48.1
Median 17.0 31.20 4.88 60.23 47.9
3.5m 14.00 4.40 2.88 28.7 7.60
Previous 19.0 32.5 4.9 63.7 49.5
Median 16.9 31.20 4.88 60.23 47.9
4.0m 14.00 4.60 2.86 28.8 8.07
Previous 18.6 32.6 1.6 21.3 49.7
Median 17.9 32.30 0.96 11.70 49.4
4.3m 14.00 4.60 2.86 28.0 8.09
Previous 18.4 33.3 0.0 0.6 50.6
Median 17.9 32.30 0.96 11.70 49.4

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 13
Previous 0.1 9 6.7
Median 0.1 9 6.8
Bottom 4.3
Previous 5.0
Median 4.3

Other details

Max depth 4.40
Previous 5.15
Median 4.10
Flow estimate Fast

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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