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  4. 21-01-2018

G4 Bridge at Rivernook

21 January 2018

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

Overview

Estuary Gellibrand River Estuary
Site Bridge at Rivernook
Observation ID #11730
Date and Time Sunday 21st January 2018 08:55am
Approved Approved

Notes

E. wind but site more sheltered by Phragmities than G5  - Phragmities very high dense & taking up more of the water way. Increase of algae on streamside veg.

Springs running strongly all along OOR

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 20.80 0.50 6.25 70.1 0.94 E wind 3
Previous 19.0 0.1 7.0 75.4 0.3
Median 18.1 0.20 6.98 68.30 0.4
0.5m 20.80 0.50 6.13 68.7 1.00 E.C. extremely erratic
Previous 18.1 0.1 6.5 68.3 0.3
Median 17.3 0.20 6.47 67.20 0.4
1.0m 20.80 0.50 6.07 68.1 1.02 " "
Previous 19.0 0.2 6.7 73.3 0.4
Median 18.1 0.20 6.74 67.60 0.4
1.5m 20.80 0.50 5.99 67.1 1.04 " "
Previous 18.1 0.1 6.5 68.1 0.3
Median 17.4 0.20 6.46 67.50 0.4
2.0m 20.30 22.00 4.70 59.2 34.86 E.C. erratic
Previous 19.0 0.2 6.7 71.8 0.5
Median 18.4 0.50 6.68 65.60 0.9
2.5m 19.10 26.40 3.81 48.9 40.78 "
Previous 18.1 0.1 6.6 69.5 0.3
Median 18.1 0.50 6.57 63.40 0.9
3.0m 19.30 28.10 1.89 19.0 43.48 "
Previous 17.1 26.0 4.8 58.6 40.6
Median 18.1 26.00 3.95 46.70 41.8
3.5m 19.00 28.40 0.92 11.6 43.93
Previous 18.1 0.1 6.4 67.8 0.3
Median 18.1 25.40 3.68 45.80 41.8
4.0m 18.50 29.10 0.04 0.5 44.85
Previous 17.0 26.2 4.8 57.6 40.9
Median 17.0 26.90 3.60 45.80 41.7
4.5m 18.20 29.40 0.04 0.5 45.28
Previous 18.1 0.1 6.4 68.1 0.3
Median 18.1 27.00 3.60 45.80 41.8
5.0m 17.90 29.60 0.04 0.5 45.61
Previous 17.3 26.3 4.9 59.4 40.9
Median 17.3 27.80 3.26 43.70 43.1
5.1m 17.80 29.60 0.04 0.5 45.61
Previous 8.8 0.2 7.3 63.4 0.3
Median 16.3 27.80 3.21 38.30 43.1

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 6.7
Previous 0.1 10 7.0
Median 0.1 9 6.4
Bottom 5.1
Previous 5.0
Median 5.2

Other details

Max depth 5.23
Previous 5.10
Median 5.25
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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