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  4. 23-12-2016

G2 Old Coach Road Bridge Princetown

23 December 2016

Overview Notes Depth Profile Top-Bottom Documents 0 Chart
CAUTION: This observation has not yet been reviewed by an EstuaryWatch coordinator.
Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #10648
Date and Time Friday 23rd December 2016 08:35am
Approved Pending

Notes

Cold North wind 2-3

Water reddish brown colour

Schools of small fish near surface at G2 bridge

Skeins of irridescent scum forming along side streamside veg. and around auto monitor site. Very large number of moths wings in this scum indicatind bat activity during the night

AHD 0.52 @ 08:35

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 16.90 5.00 7.03 74.6 8.87
Previous 17.1 9.1 7.4 81.2 12.2
Median 17.3 2.10 7.36 74.60 4.0
0.5m 16.90 5.00 6.98 74.2 8.86
Previous 17.3 4.2 8.4 89.8 7.5
Median 17.3 2.00 7.17 73.60 4.0
1.0m 16.90 5.00 6.92 73.6 8.92
Previous 16.9 28.7 6.9 84.6 43.9
Median 17.8 3.00 7.03 77.30 5.5
1.5m 17.80 24.40 6.22 75.9 38.84
Previous 16.5 26.2 8.3 99.0 40.1
Median 17.8 2.70 7.03 77.10 5.2
2.0m 17.00 31.50 6.79 85.0 48.12
Previous 16.5 32.3 7.2 90.4 49.3
Median 17.6 25.00 7.17 75.40 39.1
2.5m 16.70 32.50 6.54 81.9 49.54
Previous 15.9 32.1 8.4 103.1 48.8
Median 17.6 21.80 7.00 73.50 34.7
3.0m 16.50 33.00 5.45 68.2 50.20
Previous 16.4 32.6 7.0 88.4 49.8
Median 17.3 31.50 5.10 60.80 48.2
3.5m 16.40 33.30 4.42 55.1 50.70
Previous 15.9 33.5 7.9 98.0 51.0
Median 17.3 31.30 4.88 60.30 48.2
3.9m 16.40 33.40 4.29 53.6 50.80
Previous 15.7 25.7 3.3 38.8 40.2
Median 17.5 31.30 4.88 60.30 48.2

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 12 6.6
Previous 0.1 10 7.0
Median 0.1 9 6.9
Bottom 3.9
Previous 4.0
Median 4.0

Other details

Max depth 4.02
Previous 4.10
Median 4.17
Flow estimate Pool

Observation Documents

No documents found for this observation

Preceding Observations

C Estuary is closed to the sea. O Estuary is open to the sea. P Perched
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