Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #3002
Date and Time Friday 8th January 2010 09:43am
Approved Approved

Notes

1.AHD 0.36
2.Small waves from north wind reaching G2.
3.Scum/algae along edge of water, large concentration near monitoring station
4.PH. (10cm) 7.0 (2.00 m) 7.5
5.Birds visiable on edge of Wetlands north of township
5. Pellicans
6. Black billed spoonbils (Royal)
3. pale billed spoonbills
10. white ibis
4. white heded herons
2. Harriers

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 20.20 5.20 6.57 74.7
Previous 21.6 4.9 7.2 85.3
Median 16.2 3.20 7.04 72.40
0.5m 20.10 5.20 6.47 73.5
Previous 20.3 1.8 6.7 76.7
Median 16.2 3.20 7.04 72.40
1.0m 21.00 13.00 6.88 81.3
Previous 19.3 23.8 6.5 77.2
Median 17.2 13.70 6.55 73.10
1.5m 19.80 27.40 6.69 84.9 D.O. readings very erratic
Previous 19.6 25.9 6.9 73.9
Median 17.2 13.70 6.73 73.10
2.0m 18.90 31.00 5.85 75.2
Previous 18.5 31.6 5.3 65.2
Median 16.8 28.80 5.86 67.50
2.5m 18.50 32.10 4.97 64.8
Previous 18.5 31.9 5.6 72.3
Median 16.8 28.80 5.88 68.90
3.0m 18.10 32.50 4.65 57.5
Previous 18.3 33.4 3.6 45.8
Median 17.1 31.30 5.17 55.40

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 10
Previous 0.1 15
Median 0.1 20
Bottom 3.0 10
Previous 3.3 15
Median 3.2 20

Other details

Max depth 3.07
Previous 3.41
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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