Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #5306
Date and Time Friday 11th March 2011 11:50am
Approved Approved

Notes

1. AHD 0.32
2.NOP 1.046 -1.0 SOP 1.535 -1.0
3. Aponogeton dist. flowering in drain at G5.
Algae forming in still water
4. Very large no. white butterflies all along river
5. 'Skeins' algae(?) floating on still water

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 18.10 4.10 6.44 70.1 7.45
Previous 15.8 2.8 7.5 76.8 5.2
Median 15.1 1.30 7.16 73.00 0.8
0.5m 18.10 4.20 6.41 70.6 7.56
Previous 19.9 1.7 6.5 73.0 3.2
Median 15.1 1.30 7.16 73.00 0.8
1.0m 17.50 4.40 6.22 67.0 7.90
Previous 16.6 22.4 6.7 79.1 35.6
Median 15.8 9.00 6.93 73.20 1.9
1.5m 17.30 27.40 6.34 78.2 43.16
Previous 19.1 20.3 5.8 70.3 33.5
Median 15.8 9.00 6.94 73.20 1.3
2.0m 17.00 29.50 6.84 85.2 45.68
Previous 16.9 29.1 5.1 62.8 45.1
Median 15.6 27.60 6.51 69.30 39.8
2.5m 17.00 30.40 6.49 79.9 46.82
Previous 17.5 30.1 2.4 31.2 47.1
Median 15.6 27.60 6.56 70.30 34.4
3.0m 17.10 30.90 5.63 71.7 47.41
Previous 17.2 30.8 3.6 36.1 47.3
Median 16.0 29.80 5.95 67.70 43.1
3.5m 17.10 30.90 5.48 68.7 47.40
Previous 17.0 32.0 1.3 16.2 49.0
Median 16.0 29.80 6.10 68.20 43.1

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 15 7.3
Previous 0.1 20 7.3
Median 0.1 20 7.0
Bottom 2.5 20 7.3
Previous 2.0 15 7.3
Median 2.5 20 7.3

Other details

Max depth 3.58
Previous 3.90
Median 3.55
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
Creative Commons CC BY
All content, files, data and images provided by the EstuaryWatch Data Portal and Gallery are subject to a Creative Commons Attribution License

Content is made available to be used in any way, and should always attribute EstuaryWatch and www.estuarywatch.org.au