Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #11945
Date and Time Friday 6th April 2018 11:08am
Approved Approved

Notes

AHD G2 1.47     G6 1.42  @  10:39

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 18.00 2.80 5.67 67.0 5.21 SE wind 1-2 some light showers
Previous 19.6 11.9 8.4 98.5 19.7
Median 17.8 1.60 7.12 71.40 3.3
0.5m 18.00 2.80 5.53 59.5 5.26
Previous 17.8 0.5 6.8 54.0 2.8
Median 17.8 1.60 7.12 71.40 3.3
1.0m 17.90 3.80 6.26 67.5 6.94
Previous 17.9 22.6 9.2 107.9 35.9
Median 17.9 2.40 6.88 70.80 4.5
1.5m 18.80 9.80 0.07 0.8 16.83
Previous 18.2 12.9 3.7 41.9 21.8
Median 18.0 2.40 6.88 70.80 4.5
2.0m 18.40 17.60 1.12 11.3 27.77 E.C. erratic D.O. extremely erratic
Previous 17.6 30.5 8.4 103.5 46.8
Median 17.1 17.00 5.92 65.60 27.6
2.5m 18.20 26.60 4.94 61.4 41.38
Previous 18.0 25.6 3.9 48.7 40.1
Median 17.1 17.00 5.92 65.60 27.6
3.0m 18.20 29.90 5.81 73.2 46.05
Previous 17.7 32.7 7.0 89.1 49.8
Median 17.6 29.50 3.58 42.50 45.3
3.5m 18.10 31.90 4.29 55.0 48.74
Previous 18.1 28.3 2.0 26.1 43.9
Median 17.2 28.90 3.38 40.00 45.0
4.0m 18.00 32.20 3.73 48.7 49.15
Previous 17.5 33.2 5.2 66.1 50.5
Median 17.7 31.80 1.05 11.60 48.5
4.5m 17.90 32.40 2.12 27.3 49.42
Previous 18.0 28.8 0.4 5.5 44.6
Median 18.0 31.80 1.05 11.60 48.5
4.8m 17.90 32.40 1.98 25.3 49.47
Previous 17.7 27.8 2.1 26.2 43.1
Median 17.7 31.80 1.05 11.60 48.5

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 6.7
Previous 0.1 12 6.8
Median 0.1 10 6.9
Bottom 4.8 9 7.2
Previous 4.5 43 6.9
Median 4.2 14 7.1

Other details

Max depth 4.94
Previous 4.58
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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