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  4. 01-09-2015

G2 Old Coach Road Bridge Princetown

1 September 2015

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

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #9829
Date and Time Tuesday 1st September 2015 12:45pm
Approved Approved

Notes

  • AHD 0.47
  • Flats draining -water only in very low areas & drains, but more water around G5 where there are a large no. of waterbirds. Cape pondweed is flowering in these areas also
  • More red oxide discharge in new areas along OOR

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 10.70 0.20 10.57 95.3 0.39
Previous 10.1 0.2 9.2 81.8 0.5
Median 15.8 2.00 7.26 75.80 4.0
0.5m 10.60 0.20 10.55 94.8 0.42 E.C. erratic
Previous 9.2 0.2 8.7 75.5 0.4
Median 16.4 2.10 7.26 75.80 4.0
1.0m 10.50 0.20 10.47 93.6 0.42 "
Previous 10.1 0.2 9.0 79.0 0.5
Median 16.4 5.00 6.96 75.20 8.4
1.5m 10.20 0.30 10.32 93.2 0.53
Previous 9.1 0.2 8.7 75.8 0.4
Median 16.4 5.70 6.96 75.20 9.6
2.0m 10.10 0.30 10.32 91.5 0.54
Previous 10.1 0.3 8.8 78.1 0.6
Median 16.5 27.80 5.80 69.60 43.0
2.5m 9.90 0.40 10.15 89.8 0.81
Previous 9.2 0.2 8.6 74.7 0.4
Median 16.7 28.10 5.80 69.60 43.5
3.0m 10.10 0.60 9.70 86.0 1.14 E.C. erratic
Previous 10.0 0.4 8.6 76.5 0.8
Median 16.6 30.40 3.73 47.40 46.7
3.5m 10.20 1.20 9.39 84.0 2.30
Previous 9.2 0.2 7.5 74.8 0.4
Median 16.7 30.50 3.73 47.40 46.9
3.7m 10.30 1.30 9.28 83.4 2.55
Previous 8.4 2.8 9.0 77.8 5.7
Median 16.7 30.50 3.72 44.60 46.9

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 11 6.5
Previous 0.1 12 6.5
Median 0.1 9 6.9
Bottom
Previous 4.0
Median 4.3

Other details

Max depth 3.83
Previous 3.80
Median 4.09
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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