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  4. 20-09-2019

G2 Old Coach Road Bridge Princetown

20 September 2019

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

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #13335
Date and Time Friday 20th September 2019 10:25am
Approved Approved

Notes

AHD   G2 about 0.28  board unreadable

pH top  0.60

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 11.30 0.20 10.08 92.2 0.34 No wind
Previous 9.4 0.2 9.7 85.4 0.4
Median 17.4 1.90 6.77 70.50 3.4
0.5m 11.20 0.20 10.19 92.7 0.35
Previous 10.0 0.2 7.3 65.0 0.4
Median 17.4 1.90 6.72 70.40 3.6
1.0m 11.20 0.20 10.07 91.9 0.58
Previous 9.4 0.2 9.7 85.0 0.4
Median 17.9 4.90 6.39 70.00 8.2
1.5m 11.20 0.20 10.02 91.4 0.57
Previous 10.0 0.2 7.4 65.4 0.3
Median 17.9 4.90 6.19 69.80 8.2
2.0m 11.10 0.20 9.82 89.2 0.36
Previous 9.4 0.2 9.7 84.6 0.4
Median 17.2 20.00 5.17 59.30 32.0
2.5m 11.10 0.20 9.76 89.1 0.36
Previous 10.0 0.2 7.3 65.4 0.4
Median 17.2 20.00 5.11 58.90 32.0
3.0m 11.10 0.20 9.80 89.4 0.36
Previous 9.4 0.2 9.4 81.5 0.4
Median 17.6 27.90 2.50 31.80 43.2
3.5m 11.10 0.20 9.53 86.9 0.36
Previous 10.0 0.2 7.4 65.3 0.4
Median 17.6 27.90 2.22 27.60 43.2

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 14 7.2
Previous 0.1 24 6.8
Median 0.1 9 6.8
Bottom 3.5 16 7.3
Previous 3.9 27 6.9
Median 4.5 9 7.2

Other details

Max depth 3.60
Previous 4.02
Median 4.55
Flow estimate Slow

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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