Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #9281
Date and Time Saturday 20th December 2014 11:05am
Approved Approved

Notes

  • AHD 1.01 @ G2 G6 AHD 1.02 @08:05
  • Mouth barred Tue . 16th Dec pm
  • Many waterbirds in wetlands north of township
  • Rafts of algae along sides of channel

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 19.10 2.80 7.29 80.0 5.10 E.C. erratic wide range
Previous 20.5 2.1 6.9 77.4 4.0
Median 15.7 1.80 7.57 77.30 3.5
0.5m 19.10 3.30 7.31 80.2 5.97
Previous 18.6 1.8 6.9 74.3 3.5
Median 15.7 1.80 7.60 77.30 3.5
1.0m 18.90 3.50 6.93 76.0 6.36
Previous 19.2 18.6 7.0 84.0 29.9
Median 16.4 5.90 6.99 77.00 10.2
1.5m 19.00 3.60 6.95 76.7 6.64
Previous 18.9 13.4 5.9 63.9 22.0
Median 16.4 5.90 7.03 77.00 10.2
2.0m 18.00 22.50 5.44 66.6 35.50
Previous 16.8 28.5 6.8 83.7 44.5
Median 15.7 28.40 5.80 66.50 44.2
2.5m 17.50 26.40 5.06 62.3 41.35
Previous 17.1 27.2 3.3 40.0 42.2
Median 15.7 28.40 5.80 66.50 44.2
3.0m 17.10 29.10 4.30 52.5 45.01
Previous 16.4 30.3 3.9 47.9 46.6
Median 15.8 31.60 3.71 44.60 48.2
3.5m 16.80 29.60 3.49 42.9 45.62
Previous 15.9 29.4 0.7 8.3 45.3
Median 15.7 31.60 3.65 44.10 48.2
4.0m 16.40 30.20 1.48 18.2 46.52
Previous 15.2 30.6 3.8 44.3 47.0
Median 15.6 32.50 3.65 42.00 49.8
4.2m 16.00 30.30 1.24 15.2 46.61
Previous 15.1 30.8 6.0 72.4 47.3
Median 15.6 32.50 3.52 41.80 49.8

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 7.8
Previous 0.1 9 6.9
Median 0.1 9 7.0
Bottom
Previous 3.4 7
Median 4.0 7

Other details

Max depth 4.33
Previous 4.05
Median 3.98
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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