Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #4523
Date and Time Saturday 2nd October 2010 10:03am
Approved Approved

Notes

1. AHD 0.22
2.Flatd around g4 - no surface water but flats around G5 are still covered. Aponogeton dist. increasing in that area
3. Birds White heron 1, Wedgetailed eagle1, Shellduck 8, 2 swans & 1 cygnet

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 10.80 0.20 8.39 76.6 0.42
Previous 11.3 0.2 7.2 66.9 0.4
Median 16.4 2.20 7.19 76.00 0.4
0.5m 10.80 0.20 8.22 74.7 0.45
Previous 10.7 0.2 6.4 57.3 0.4
Median 16.4 2.20 7.19 76.00 0.6
1.0m 10.60 0.20 8.28 74.2 0.44
Previous 11.3 0.2 7.2 65.5 0.4
Median 17.2 17.10 6.93 75.90 0.7
1.5m 10.60 0.20 8.35 74.8 0.48
Previous 10.6 0.2 6.9 62.4 0.3
Median 17.2 17.10 6.90 75.90 2.6
2.0m 10.60 0.20 8.42 76.3 0.50
Previous 11.3 0.2 7.4 68.4 0.4
Median 16.4 30.70 6.02 68.40 39.8
2.5m 10.50 0.30 8.38 74.5 0.51
Previous 10.6 0.2 6.9 62.8 0.4
Median 16.4 30.70 5.96 67.50 40.8
3.0m 10.60 0.30 8.27 74.5 0.59
Previous 11.3 0.2 7.0 68.2 0.4
Median 16.7 31.90 5.26 64.10 44.9
3.2m 10.50 0.30 8.18 73.7 0.63
Previous 10.6 0.2 7.1 64.1 0.4
Median 16.9 31.90 5.26 64.10 44.9

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 40 7.0
Previous 0.1 30 7.5
Median 0.1 15 7.0
Bottom 2.5 40 7.0
Previous 2.0 30 7.5
Median 3.0 15 7.0

Other details

Max depth 3.37
Previous 3.57
Median 3.28
Flow estimate Medium

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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