Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #2848
Date and Time Friday 27th November 2009 12:20pm
Approved Approved

Notes

1.AHD 0.56
2. D.O readings from about 1.00m - very erratic
3.Data collected about 2 hrs later than normal
4. 18 ml rain o/n at G6
Air temp. about 25 -with strong south wind

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 20.00 3.00 6.79 77.8 1.Air temp. 25 Very humid
Previous 18.1 26.7 7.4 92.7
Median 16.0 3.00 6.79 70.40
0.5m 19.70 3.00 7.12 78.7
Previous 19.8 2.0 6.5 72.3
Median 16.0 3.00 6.79 70.40
1.0m 19.10 3.20 7.18 79.3
Previous 16.5 32.1 7.0 85.9
Median 16.7 11.00 6.54 71.00
1.5m 19.10 8.00 6.41 75.9 D.O. mg/l & % -wide range- constant change
Previous 18.7 19.6 5.8 70.1
Median 16.7 11.00 6.54 71.00
2.0m 17.50 29.20 6.11 76.4 " "
Previous 16.1 33.1 6.8 84.4
Median 16.4 28.80 5.89 66.80
2.5m 16.80 32.80 6.18 77.5 " "
Previous 15.7 31.2 4.6 57.3
Median 16.6 28.80 5.89 66.80
3.0m 16.30 33.30 6.02 73.8 " "
Previous 16.1 33.2 6.7 85.3
Median 16.8 31.20 5.17 55.40
3.2m 16.20 33.30 6.04 75.8
Previous 12.3 0.3 6.9 65.4
Median 16.8 31.20 4.92 54.00

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 20
Previous 0.1 15
Median 0.1 20
Bottom 2.8 20
Previous 3.0 15
Median 3.2 20

Other details

Max depth 3.30
Previous 3.10
Median 3.43
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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