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  4. 06-04-2017

G2 Old Coach Road Bridge Princetown

6 April 2017

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

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #11066
Date and Time Thursday 6th April 2017 10:48am
Approved Approved

Notes

AHD G2 1.47   G6 1.46  @ 10:15

Flow seemed to be going up stream then later no movement was noted

Many fish swimming around bridge,  25 cm. "shark like" fish chasing slightly smaller ones

Water covering deck of fishing platform

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 17.80 4.70 6.48 70.2 8.47
Previous 19.3 3.6 6.9 75.1 6.5
Median 16.9 2.30 6.91 73.30 4.3
0.5m 17.20 6.10 8.40 90.4 10.91
Previous 18.1 2.8 6.7 71.9 5.2
Median 16.9 2.30 6.87 73.20 4.2
1.0m 18.10 20.10 6.56 77.6 32.92
Previous 19.7 7.0 8.7 99.5 12.1
Median 18.0 7.00 6.66 74.20 12.1
1.5m 18.00 25.70 6.13 70.3 40.18
Previous 18.5 25.3 5.7 71.0 39.4
Median 17.8 6.10 6.42 72.30 10.8
2.0m 17.60 27.20 7.84 96.7 42.18
Previous 18.7 28.2 5.0 64.3 43.6
Median 18.0 28.20 6.08 66.70 43.6
2.5m 17.10 28.10 8.09 99.3 43.54
Previous 18.2 29.5 0.2 2.3 45.5
Median 17.7 27.00 6.08 66.70 42.0
3.0m 17.20 29.40 7.75 96.2 45.38
Previous 18.2 30.3 3.3 41.5 46.5
Median 17.9 31.00 3.30 38.80 47.4
3.5m 17.20 29.80 7.47 93.1 45.89
Previous 18.0 31.0 0.0 0.0 47.4
Median 17.5 31.00 3.30 38.00 47.4
4.0m 17.20 30.00 6.99 87.1 46.12
Previous 18.0 30.7 0.3 3.8 47.1
Median 17.9 31.70 1.37 17.80 48.5
4.5m 17.20 30.00 6.90 86.1 46.12
Previous 18.0 31.2 0.0 0.0 47.8
Median 17.9 32.50 1.65 21.30 49.5
5.0m 17.20 30.00 5.61 77.0 46.27
Previous 18.0 30.9 0.0 0.0 41.1
Median 17.9 32.50 1.65 21.30 49.5

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 6.9
Previous 0.1 9 6.8
Median 0.1 9 6.8
Bottom 5.4
Previous 4.5
Median 4.0

Other details

Max depth 5.05
Previous 4.55
Median 4.17
Flow estimate Pool

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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