Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #3743
Date and Time Friday 18th June 2010 11:45am
Approved Approved

Notes

1.AHD 0.73
2.Freshwater inflow difficult to measure because of wind
Turbidity sample -clear from top to bottom
3. PH. top 7.0 Bottom 7.0
4. Aponogeton d. increasing upstream from G4.(flowering)
5.Birds 6 Pied comorants at Latrobe creek bridge
West wetland 1.Yellow billed spoonbill
North w/l 7 Whitefaced herons, 2shellduck.
1 Pied comorant 2 White egret -many swallows
Between G4 & G5
6.Woodduck, 6 Masked plover, 5 Whitefaced heron, 18 blackduck, 60 Ducks (Teal/ Blackduck), 42 Swans,
2 Shellduck

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 9.80 3.40 9.22 83.5 6.29
Previous 10.4 2.4 9.2 84.6 4.5
Median 16.0 2.20 7.43 75.50 6.6
0.5m 9.80 3.60 9.07 81.9 6.45
Previous 11.2 1.8 8.0 73.5 6.6
Median 16.1 2.20 7.43 75.50 6.6
1.0m 9.70 6.20 7.53 69.5 11.11
Previous 10.4 3.1 8.7 80.4 5.6
Median 16.5 16.30 6.90 75.70 41.9
1.5m 10.30 15.00 7.86 77.8 24.48
Previous 11.3 6.6 6.0 58.5 41.9
Median 17.0 18.60 6.90 75.70 41.9
2.0m 12.20 27.70 7.72 85.1 42.76
Previous 12.7 26.9 7.1 79.9 40.8
Median 16.4 30.00 5.88 67.50 49.9
2.5m 13.10 31.50 7.21 84.0 48.25
Previous 14.6 30.8 4.1 54.1 49.9
Median 16.4 30.30 5.88 67.50 49.9
3.0m 13.20 32.00 7.03 81.8 48.95
Previous 13.7 30.4 4.9 57.9 46.8
Median 16.7 31.70 4.91 57.90 46.8
3.3m 13.30 32.00 7.08 82.4 49.00
Previous 15.3 32.0 3.5 42.5
Median 16.9 31.90 5.26 59.10

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 10 7.0
Previous 0.1 10 7.0
Median 0.1 15 7.0
Bottom 2.5 10 7.0
Previous 3.0 10 7.5
Median 3.1 15 7.5

Other details

Max depth 3.43
Previous 3.91
Median 3.28
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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