Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #11911
Date and Time Friday 23rd March 2018 11:55am
Approved Approved

Notes

AHD G6 1.16 @ 10.55    AHD G2 1.19 @ 11:55

Wind driven ripples affecting flow observation

Very large number of small fish  6-12 cm. long around bridge & fishing platform

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 19.70 1.70 8.52 99.5 19.54 N wind 2-3cm ripples down stream
Previous 17.8 0.5 6.8 54.0 2.8
Median 17.8 1.60 6.92 71.40 3.3
0.5m 19.60 11.90 8.42 98.5 19.73
Previous 20.6 1.6 4.3 48.2 3.1
Median 17.8 1.80 7.12 72.50 3.5
1.0m 18.90 13.70 9.71 113.0 22.81
Previous 18.2 12.9 3.7 41.9 21.8
Median 18.0 2.40 6.88 70.80 4.5
1.5m 17.90 22.60 9.18 107.9 35.89
Previous 18.8 1.9 3.2 34.3 3.6
Median 18.0 2.40 6.97 71.00 4.5
2.0m 17.70 27.20 8.32 102.9 42.22
Previous 18.0 25.6 3.9 48.7 40.1
Median 17.1 17.00 5.79 64.30 27.6
2.5m 17.60 30.50 8.36 103.5 46.83
Previous 17.6 24.6 4.5 54.9 39.0
Median 17.1 17.00 5.92 65.60 27.6
3.0m 17.70 32.20 7.77 99.8 49.22
Previous 18.1 28.3 2.0 26.1 43.9
Median 17.6 29.50 3.38 41.50 45.3
3.5m 17.70 32.70 6.99 89.1 49.80
Previous 17.6 27.4 3.1 39.0 42.5
Median 17.2 29.50 3.38 41.50 45.3
4.0m 17.60 33.10 5.70 72.7 50.40
Previous 18.0 28.8 0.4 5.5 44.6
Median 18.0 31.50 0.64 8.40 48.2
4.5m 17.50 33.20 5.19 66.1 50.50
Previous 17.7 27.8 2.1 26.2 43.1
Median 18.0 31.80 1.05 11.60 48.5

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1
Previous 0.1 12 6.8
Median 0.1 9 6.8
Bottom 4.5
Previous 4.1 43 6.9
Median 4.2 14 7.1

Other details

Max depth 4.58
Previous 4.18
Median 4.30
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
Creative Commons CC BY
All content, files, data and images provided by the EstuaryWatch Data Portal and Gallery are subject to a Creative Commons Attribution License

Content is made available to be used in any way, and should always attribute EstuaryWatch and www.estuarywatch.org.au