Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #2544
Date and Time Saturday 26th September 2009 11:15am
Approved Approved

Notes

1.AHD. 0.84
2.Strong s/w wind & heavy rain
3.Water dirty & dark brown with dead vegetation floating in clumps (about 25ml rain overnight)
4.Waves can be seen coming down from mouth to reeds near camping ground. They also continue down to G2 where they meet waves travelling to east from strong s/w wind

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 11.80 0.90 7.52 69.9 ppt very unstable - 1.00m -2.50m
Previous 11.4 0.2 9.1 83.1
Median 16.0 3.40 6.61 70.40
0.5m 11.80 1.00 7.56 70.1
Previous 11.0 0.1 9.2 82.8
Median 16.0 3.40 6.58 70.10
1.0m 11.70 1.90 7.31 69.7
Previous 11.3 0.2 8.8 81.2
Median 16.9 13.70 6.28 69.50
1.5m 12.10 5.20 6.53 62.5
Previous 10.9 0.1 9.2 84.0
Median 16.9 13.70 6.26 68.40
2.0m 12.50 16.50 6.76 69.7
Previous 11.3 0.2 8.7 79.6
Median 16.8 28.80 5.55 64.70
2.5m 12.80 22.00 6.88 74.4
Previous 10.9 0.1 9.3 84.0
Median 16.8 28.80 5.42 64.30
3.0m 12.80 24.90 6.42 65.6
Previous 11.3 0.2 8.1 74.5
Median 16.8 31.20 4.70 51.10
3.5m 12.90 26.10 6.80 76.4
Previous 10.9 0.1 9.3 84.7
Median 16.8 31.20 4.58 50.20

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 20
Previous 0.1 40
Median 0.1 15
Bottom 2.5 20
Previous 3.0 50
Median 3.4 20

Other details

Max depth 3.60
Previous 3.30
Median 3.56
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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