Observation details

Overview

Estuary Gellibrand River Estuary
Site Bridge at Latrobe Creek Mouth as it enters the Gellibrand
Observation ID #11997
Date and Time Tuesday 24th April 2018 11:15am
Approved Approved

Notes

AHD 0.12 @10:30

Turbidity plumes from upstream stopping about 20m. upstream from boardwalk bridge. Water dark yellow ochre colour 

At 11:15 flow was slowly going downstream but at 11:30 flow changed & went upstream

Very large schools of fish around bridge

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 16.30 7.60 1.95 20.5 12.79 Wind W 4
Previous 15.4 8.5 0.0 0.5 14.6
Median 18.7 1.70 6.82 71.90 3.1
0.5m 16.00 9.00 1.15 12.3 15.25
Previous 17.8 3.6 6.3 67.4 6.5
Median 19.1 1.70 6.95 72.30 3.1
1.0m 16.80 29.20 5.76 71.4 15.34
Previous 15.3 8.5 0.0 0.4 14.6
Median 18.2 2.40 6.16 68.20 4.5
1.5m 17.30 30.90 6.29 79.4 47.41
Previous 19.1 8.7 3.4 39.2 14.6
Median 18.2 2.40 6.54 73.20 4.5
2.0m 17.30 32.60 6.09 77.6 49.62
Previous 15.4 8.5 0.0 0.3 14.7
Median 17.7 21.70 4.51 50.50 34.6
2.3m 17.30 33.00 6.00 76.2 50.20
Previous 18.6 25.7 4.0 50.5 40.2
Median 18.0 24.40 5.12 51.70 38.3

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 35 6.9
Previous 0.1 12 6.9
Median 0.1 11 7.0
Bottom 2.3
Previous 2.8 4 7.3
Median 2.9 32 7.2

Other details

Max depth 2.37
Previous 2.87
Median 3.00
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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