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  4. 25-03-2017

G5 Coxon's Bridge

25 March 2017

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

Overview

Estuary Gellibrand River Estuary
Site Coxon's Bridge
Observation ID #10992
Date and Time Saturday 25th March 2017 08:35am
Approved Approved

Notes

AHD G6 1.12

New patch of unidentified water weed close to north side of river upstream of bridge

Algae on submerged streamside veg.

Water level has risen about 40 ml. rain 20th. /21st.

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 17.70 0.10 5.52 57.9 0.28
Previous 19.8 0.1 4.8 52.5 0.2
Median 15.9 0.10 7.57 71.80 0.3
0.5m 17.60 0.10 5.55 58.1 0.28
Previous 18.7 0.0 4.9 52.5 0.0
Median 14.9 0.10 7.57 71.80 0.3
1.0m 17.60 0.10 5.51 57.7 0.28
Previous 19.7 0.1 4.7 51.3 0.2
Median 15.9 0.10 7.50 69.50 0.3
1.5m 17.60 0.10 5.41 57.0 0.28
Previous 18.7 0.0 4.8 51.8 0.0
Median 14.9 0.10 7.50 69.50 0.3
1.8m 17.60 0.10 5.40 56.5 0.28
Previous 18.8 0.0 5.5 59.5 0.0
Median 14.9 0.10 7.62 72.00 0.3

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 5.8
Previous 0.1 10 6.5
Median 0.1 13 6.6
Bottom 1.8
Previous 1.3 7
Median 1.8 7

Other details

Max depth 1.93
Previous 1.37
Median 1.98
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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