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  4. 05-03-2018

G2 Old Coach Road Bridge Princetown

5 March 2018

Overview Notes Depth Profile Top-Bottom Documents 1 Chart
Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #11860
Date and Time Monday 5th March 2018 11:00am
Approved Approved

Notes

AHD G2 1.47 @11:55   G6 1.42   @ 08:05

Deck of fishing platform completely under water

Large schools of small fish around bridge & auto monitor  intake, also in pools & water on side of OOR at flood markers

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 20.00 1.40 6.44 71.5 2.67 strong SE wind to G2 -waves about 10cm
Previous 20.7 1.4 6.5 72.5 2.8
Median 18.1 2.00 7.12 72.50 3.8
0.5m 20.00 1.40 6.44 71.4 2.67
Previous 21.0 1.6 7.8 88.0 3.1
Median 17.2 2.00 7.12 71.90 3.8
1.0m 20.00 1.40 6.32 70.3 2.68
Previous 20.8 1.5 6.3 71.0 2.9
Median 18.2 3.50 6.97 73.40 6.3
1.5m 20.00 1.40 6.31 69.9 2.70
Previous 21.1 2.1 8.6 97.4 3.9
Median 18.0 3.50 6.97 73.40 6.3
2.0m 19.70 1.50 6.18 68.4 2.80
Previous 20.0 9.5 0.9 10.8 16.2
Median 17.1 21.80 5.79 64.30 34.4
2.5m 20.00 3.10 4.72 51.3 5.63 EC & DO very erratic into "RANGE"
Previous 20.4 11.4 5.8 63.4 19.2
Median 16.6 21.80 5.79 64.30 34.4
3.0m 20.10 17.10 0.05 0.6 27.61 EC very erratic DO erratic
Previous 19.9 28.9 0.1 0.7 45.0
Median 17.2 30.00 3.27 40.00 46.0
3.5m 19.70 28.40 0.05 0.6 43.93
Previous 19.9 30.0 0.6 8.3 46.0
Median 17.2 30.10 3.38 41.50 46.4
4.0m 19.10 30.90 0.04 0.6 47.38
Previous 18.3 32.0 0.1 0.8 49.1
Median 17.9 30.90 0.33 3.80 47.4
4.5m 18.50 31.80 0.04 0.6 48.61
Previous 18.4 32.3 0.0 0.5 49.2
Median 17.9 30.90 0.64 8.40 47.4
4.8m 18.20 31.90 0.04 0.5 48.83
Previous 18.7 33.6 0.6 8.4 51.1
Median 17.9 30.90 0.64 8.40 47.4

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1
Previous 0.1 9 6.6
Median 0.1 9 6.8
Bottom 4.8
Previous 4.8 10 6.9
Median 4.2 14 7.2

Other details

Max depth 4.91
Previous 4.87
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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