Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #2122
Date and Time Wednesday 18th March 2009 10:45am
Approved Approved

Notes

North wind. Water flow increasing, as there was a rise at SOP yesterday.
12.00 PM Tide board 1.55 - was 1.56 at 9.15 AM

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 17.00 2.40 5.34 54.9
Previous 14.9 6.7 5.5 61.5
Median 15.0 2.30 6.45 64.80
0.5m 17.00 2.80 5.29 53.8
Previous 21.4 5.0 6.6 76.6
Median 15.4 2.30 6.45 65.20
1.0m 16.70 6.00 7.29 78.1
Previous 19.6 20.6 4.0 51.2
Median 16.0 11.50 5.59 62.00
1.5m 16.70 7.00 6.54 73.5
Previous 19.3 22.2 7.4 52.0
Median 16.0 11.50 5.68 62.00
2.0m 18.60 25.00 3.72 45.8
Previous 18.1 28.3 3.7 47.5
Median 16.3 28.30 4.69 56.00
2.5m 18.20 28.30 4.86 58.0
Previous 17.6 28.9 5.9 75.7
Median 16.3 28.30 4.72 58.00
3.0m 17.80 30.50 3.76 57.4
Previous 17.6 30.7 2.8 36.4
Median 16.3 30.90 3.80 44.00
3.5m 17.60 31.40 2.69 34.3 very erratic
Previous 17.3 31.4 4.3 54.0
Median 16.3 31.00 3.80 45.50
4.0m 17.60 31.60 1.63 20.6 very erratic
Previous 17.4 31.4 1.2 16.7
Median 17.4 32.20 0.56 7.10
4.2m 17.50 31.70 1.41 17.1 very erratic
Previous 17.2 32.0 2.3 29.5
Median 17.2 32.20 0.16 2.10

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1
Previous 0.1 10
Median 0.1 15
Bottom
Previous 4.1 10
Median 3.4 15

Other details

Max depth 4.25
Previous 4.22
Median 3.50
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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