Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #7997
Date and Time Wednesday 9th January 2013 10:15am
Approved Approved

Notes

1. AHD G2 0.95 10:15
G6 1.00 10:00
2. 3.5ml rain overnight
3. Wind driven waves from entrance causing waves toward bridge- probe drifting under bridge

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 18.90 3.10 8.36 92.5 5.64
Previous 18.0 4.0 7.6 82.4 7.7
Median 14.4 1.60 7.83 78.80 2.6
0.5m 19.00 3.10 8.30 91.2 5.74
Previous 18.4 1.7 7.1 75.7 3.3
Median 14.4 1.60 8.01 78.80 2.6
1.0m 19.40 5.30 7.85 88.4 9.36
Previous 18.3 25.4 7.2 89.0 39.8
Median 14.4 4.70 7.56 80.40 8.8
1.5m 18.90 13.60 7.14 84.3 22.41
Previous 18.2 14.2 5.6 64.6 23.0
Median 14.4 4.70 7.63 80.40 8.8
2.0m 18.80 25.60 6.55 84.3 39.95
Previous 18.1 30.3 6.2 78.3 46.5
Median 15.4 24.90 6.74 77.10 39.2
2.5m 19.10 28.30 6.12 78.1 43.75
Previous 17.1 31.5 3.2 40.1 48.1
Median 15.4 24.90 6.74 77.10 39.2
3.0m 18.60 29.90 4.66 59.6 45.95
Previous 16.4 33.0 0.6 7.3 50.2
Median 15.6 29.30 5.36 66.00 45.2
3.5m 17.40 31.70 2.13 27.0 48.48
Previous 16.1 33.6 1.1 14.9 51.1
Median 15.6 29.30 5.36 67.00 45.2
4.0m 17.00 32.40 1.13 14.2 49.38
Previous 12.9 4.9 9.6 93.3 8.8
Median 15.7 30.20 5.33 66.90 46.3
4.2m 16.90 32.40 1.08 13.6 49.45
Previous 11.5 16.6 8.9 91.5 27.8
Median 16.4 30.20 5.33 66.90 46.4

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 10 6.5
Previous 0.1 10 6.7
Median 0.1 20 6.7
Bottom 2.5 10 7.3
Previous 2.5 10 7.1
Median 2.5 30 6.8

Other details

Max depth 4.35
Previous 3.95
Median 4.00
Flow estimate Pool

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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