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  4. 21-01-2018

G5 Coxon's Bridge

21 January 2018

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

Overview

Estuary Gellibrand River Estuary
Site Coxon's Bridge
Observation ID #11729
Date and Time Sunday 21st January 2018 08:10am
Approved Approved

Notes

Air temp 19C. humidity high with damp fog

AHD G6     0.66 @ 07:55    

Site affected by E wind & waves going downstream  (Flow estimate difficult)

Algae increase on streamside veg.

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 20.60 0.10 5.57 65.2 2.53 E wind = waves DS
Previous 18.4 0.1 7.3 77.8 0.3
Median 17.7 0.10 6.69 70.00 0.3
0.5m 20.60 0.10 5.46 60.4 2.53
Previous 18.1 0.1 6.7 70.8 0.3
Median 17.7 0.10 6.69 70.00 0.3
1.0m 20.60 0.10 5.33 59.4 2.53
Previous 18.4 0.1 7.0 75.2 0.3
Median 17.7 0.10 6.67 69.70 0.3
1.3m 20.60 0.10 5.34 59.4 2.53
Previous 18.1 0.1 6.7 70.6 0.3
Median 17.7 0.10 6.67 69.70 0.3

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 6.8
Previous 0.1 12 7.0
Median 0.1 9 6.4
Bottom 1.3
Previous 1.4 7
Median 1.8 7

Other details

Max depth 1.41
Previous 1.50
Median 1.93
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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