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  4. 19-03-2019

G2 Old Coach Road Bridge Princetown

19 March 2019

Overview Notes Depth Profile Top-Bottom Documents 2 Chart
Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #12773
Date and Time Tuesday 19th March 2019 13:20pm
Approved Approved

Notes

AHD  G2 1.52    G6  1.48   @ 10:30

Water over deck of fishing platform. Small areas of water at side of OOR & OCR with some areas at SW end of camp ground

Measurements were taken from GOR over Latrobe creek (attached as data sheet) showing lower levels of D.O. in wetlands

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 21.10 2.20 6.44 73.4 4.11 SE wind 4-5 =large waves to G2 & US
Previous 18.6 1.4 5.7 60.9 2.7
Median 17.7 2.30 6.97 70.80 4.3
0.5m 21.10 2.20 6.43 73.0 4.12
Previous 16.7 2.3 5.0 41.5 4.2
Median 17.1 2.30 6.97 70.80 4.3
1.0m 21.10 2.20 6.42 73.0 4.12
Previous 18.1 12.7 4.3 48.5 21.1
Median 17.9 6.20 7.01 69.80 11.1
1.5m 21.10 2.20 6.39 72.7 4.14
Previous 18.0 9.5 4.6 51.0 9.4
Median 17.9 5.80 7.01 69.80 10.3
2.0m 18.50 14.40 2.02 23.9 23.76 E.C. D.O. very erratic
Previous 17.8 20.0 5.8 69.0 32.0
Median 17.3 23.10 6.32 69.00 36.4
2.5m 18.20 18.80 3.33 45.7 30.10 "
Previous 17.6 20.2 6.1 71.7 32.2
Median 17.0 23.10 6.32 66.90 36.4
3.0m 18.70 22.80 2.53 30.4 36.06 "
Previous 19.8 27.9 0.1 0.7 43.2
Median 17.6 28.60 4.29 55.00 44.3
3.5m 19.40 27.50 0.03 0.4 42.64
Previous 19.9 27.7 0.1 0.8 42.9
Median 17.3 28.60 4.29 55.00 44.3
4.0m 19.40 28.40 0.03 0.4 43.97
Previous 19.2 29.9 0.0 0.5 44.7
Median 17.9 29.90 1.32 16.90 45.8
4.5m 19.20 28.70 0.02 0.3 44.40
Previous 19.3 29.0 0.0 0.5 44.8
Median 17.9 30.00 1.76 22.90 46.1
4.9m 18.90 29.00 0.00 0.3 44.73
Previous 18.9 29.4 0.0 0.4 45.4
Median 17.9 30.00 1.76 22.90 46.1

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1
Previous 0.1 3 7.0
Median 0.1 9 6.9
Bottom 4.8
Previous 4.8 2 7.7
Median 4.3 9 7.2

Other details

Max depth 4.95
Previous 4.88
Median 4.41
Flow estimate N/A

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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