Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #4622
Date and Time Friday 29th October 2010 10:50am
Approved Approved

Notes

1. AHD 0.30
2. 10 cm waves from north wind
3. Algae forming on large areas of wetlands

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 15.20 3.40 8.72 89.0 6.23
Previous 13.7 0.2 9.1 87.7 0.4
Median 16.4 2.20 7.19 76.00 0.4
0.5m 15.10 3.50 8.75 88.6 6.33
Previous 11.4 0.8 6.6 70.4 1.8
Median 16.4 2.20 7.16 74.80 0.4
1.0m 15.10 3.70 8.72 88.5 7.34 E.C wide range
Previous 13.6 0.2 9.2 87.9 0.4
Median 17.2 17.10 6.93 75.90 0.6
1.5m 14.70 29.00 7.66 90.0 44.65 Wide range for D.O. ppt E.C
Previous 11.3 1.0 7.6 69.6 1.9
Median 17.2 17.10 6.90 75.40 0.7
2.0m 14.60 32.10 7.73 93.5 49.13 "
Previous 13.4 0.2 9.2 89.3 0.4
Median 16.4 30.70 6.02 68.40 19.1
2.5m 14.60 32.60 7.80 95.3 49.78 "
Previous 12.4 16.0 6.3 66.9 20.9
Median 16.4 30.70 5.96 67.50 20.9
3.0m 14.60 32.80 7.21 86.2 50.00 "
Previous 13.4 0.2 9.2 88.3 0.4
Median 16.7 31.70 5.35 64.70 22.8
3.4m 14.60 32.80 7.42 90.5 50.10 "
Previous 13.6 26.8 6.1 69.3 41.7
Median 16.7 31.90 5.35 64.70 22.8

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 30
Previous 0.1 40 7.5
Median 0.1 15 7.0
Bottom 2.5 40
Previous 2.5 40 7.0
Median 3.0 15 7.0

Other details

Max depth 3.55
Previous 3.61
Median 3.37
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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