Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #11993
Date and Time Tuesday 17th April 2018 11:30am
Approved Approved

Notes

AHD G6  1.66 @ 11:05     G2   1.66 @ 11:30

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 14.30 1.50 7.12 70.5 2.98 Wind SE 3 waves US to G2
Previous 17.9 3.6 6.6 71.2 6.6
Median 18.1 1.60 7.12 71.40 3.3
0.5m 14.60 7.10 5.15 51.2 5.91 D.O. erratic -all readings unstable
Previous 18.8 2.4 6.3 68.1 4.4
Median 18.1 1.60 7.12 71.40 3.1
1.0m 14.60 7.10 7.53 77.1 12.37
Previous 19.1 7.0 4.5 51.6 12.2
Median 18.2 2.40 6.97 71.00 4.5
1.5m 14.20 8.60 8.38 86.1 14.67
Previous 18.6 10.2 0.1 0.6 17.3
Median 18.2 2.20 6.97 71.00 4.1
2.0m 15.80 18.80 7.04 79.7 30.19
Previous 18.6 25.7 3.9 48.2 40.4
Median 17.9 24.60 5.92 63.40 38.5
2.5m 16.30 23.10 6.74 79.2 36.42
Previous 18.3 24.7 3.6 43.9 38.6
Median 17.6 21.60 5.92 63.40 34.4
3.0m 17.30 26.70 3.16 38.6 41.57
Previous 18.3 32.6 3.9 50.6 49.8
Median 17.9 30.00 3.58 42.70 46.0
3.5m 17.90 30.70 1.84 23.4 47.08
Previous 18.1 31.7 3.3 42.7 48.5
Median 17.9 30.00 3.58 42.70 46.0
4.0m 17.90 31.60 1.63 20.7 48.31
Previous 18.2 33.3 2.8 36.6 50.8
Median 18.2 32.30 1.18 15.60 49.2
4.5m 17.90 31.90 1.08 13.7 48.75
Previous 17.8 32.5 1.3 16.9 49.5
Median 18.0 32.00 0.64 8.40 49.1
5.0m 17.80 32.00 0.93 11.8 48.88
Previous 18.1 32.1 0.0 0.4 49.0
Median 18.1 32.10 0.03 0.40 49.0

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1
Previous 0.1 15 6.7
Median 0.1 11 6.8
Bottom 5.0
Previous 4.8 3 7.2
Median 4.2 12 7.2

Other details

Max depth 5.09
Previous 4.93
Median 4.30
Flow estimate Pool

Observation Documents

Link Date File name Description

Preceding Observations

C Estuary is closed to the sea. O Estuary is open to the sea. P Perched
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