Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #8574
Date and Time Friday 22nd November 2013 11:00am
Approved Approved

Notes

    G6 1.90 @ 10:15
  • 49.5 ml rain since 20/11/13
  • Silt plumes entering upstream G6 bridge
  • G5 increased water cover with dense coverage of Cape pond weed on south flats
  • G4 4.96m. No salinity
  • 6 Spoon bills, 5 Shell duck, swan & Water hens on north wetlands

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 15.30 1.10 7.19 71.9 2.09
Previous 13.4 0.4 8.0 76.6 0.7
Median 17.3 2.10 7.48 76.90 4.0
0.5m 15.10 1.20 7.00 69.8 2.24 E.C. erratic
Previous 15.0 1.2 7.0 69.6 2.2
Median 17.3 2.10 7.39 76.90 4.0
1.0m 15.00 1.30 6.92 69.3 2.54 "
Previous 13.4 0.4 7.9 75.2 0.8
Median 17.4 5.10 7.48 78.20 9.0
1.5m 14.80 14.20 6.76 71.4 2.29 E.C.& D.O erratic
Previous 14.6 3.3 6.8 68.0 6.0
Median 17.4 5.10 7.41 78.20 9.0
2.0m 14.90 26.90 6.40 73.9 44.30
Previous 13.2 0.9 7.6 72.5 1.5
Median 17.0 27.50 6.29 71.50 42.7
2.5m 13.10 32.60 6.20 75.9 49.69
Previous 14.8 31.7 5.6 67.3 48.5
Median 17.0 27.50 6.23 70.80 42.7
3.0m 13.10 32.70 6.00 72.7 49.92
Previous 13.2 1.7 7.1 68.8 3.2
Median 16.9 31.20 4.26 53.90 47.8
3.5m 13.10 32.70 6.01 73.1 49.98
Previous 14.8 32.8 5.6 67.4 50.0
Median 16.9 31.20 4.15 51.30 47.8

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 50 6.6
Previous 0.1 27 7.0
Median 0.1 10 6.8
Bottom
Previous 3.6 6 6.8
Median 2.5 10 7.1

Other details

Max depth 3.60
Previous 3.68
Median 4.00
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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