Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #1456
Date and Time Saturday 10th January 2009 09:50am
Approved Approved

Notes

West wetlands - 100 ibis ( black and white), 1 pelican and 5 spoonbills
North wetlands - 2 pelicans, 6 mountain ducks, 1 swan.
Schools of 3-4cm fish around bridge. cold east wind creating waves 5-10cm near bridge.

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 18.30 3.90 8.49 92.5
Previous 16.0 5.0 6.0 62.5
Median 15.0 2.00 6.30 61.80
0.5m 17.90 4.50 7.52 80.2
Previous 19.1 2.8 5.7 59.5
Median 14.8 2.00 6.30 61.80
1.0m 17.40 6.50 7.13 78.0
Previous 16.9 29.1 4.9 58.9
Median 16.0 5.70 5.69 61.70
1.5m 18.20 24.00 6.80 83.3
Previous 17.6 27.4 6.5 72.5
Median 15.9 4.40 5.69 61.70
2.0m 18.20 30.20 4.36 57.3
Previous 16.8 32.6 5.0 63.7
Median 16.1 26.50 4.31 50.20
2.5m 17.40 32.50 4.03 50.5
Previous 16.7 31.9 6.2 74.5
Median 16.1 26.50 4.12 48.40
3.0m 17.40 32.80 2.81 36.8
Previous 16.7 32.8 3.4 42.9
Median 16.1 30.90 3.58 42.90
3.2m 17.30 32.90 2.46 29.9
Previous 16.7 32.0 5.7 74.8
Median 16.1 30.90 3.72 43.00

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 10
Previous 0.1 10
Median 0.1 15
Bottom 3.2 15
Previous 3.1 10
Median 3.1 15

Other details

Max depth 3.27
Previous 3.25
Median 3.40
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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