Observation details

Overview

Estuary Gellibrand River Estuary
Site Bridge at Latrobe Creek Mouth as it enters the Gellibrand
Observation ID #11995
Date and Time Saturday 21st April 2018 11:50am
Approved Approved

Notes

AHD  G2 0.66 @ 08:30   -     0.54 @  12:40

Flow mainly downstream but some flow from main river channel entering on south side mixing currents around boardwalk bridge. Probe started drifting  downstream

'Slick' on water surface & large amount of dead veg. in flow

Very large schools of fish (10 cm.+) at surface around bridge

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 15.40 8.50 0.05 0.5 14.53 Wind NE 2
Previous 17.8 3.6 6.3 67.4 6.5
Median 18.7 1.70 6.82 71.90 3.1
0.5m 15.40 8.50 0.04 0.5 14.61
Previous 18.7 2.5 6.4 69.3 4.6
Median 19.1 1.70 6.95 72.30 3.1
1.0m 15.40 8.50 0.04 0.4 14.63
Previous 19.1 8.7 3.4 39.2 14.6
Median 18.2 2.40 6.54 73.20 4.5
1.5m 15.30 8.50 0.04 0.4 14.64
Previous 18.2 10.3 0.0 0.4 17.4
Median 18.2 2.40 6.72 73.80 4.5
2.0m 15.40 8.50 0.03 0.3 14.64
Previous 18.6 25.7 4.0 50.5 40.2
Median 17.7 24.40 5.12 51.70 38.3
2.5m 15.40 8.50 0.03 0.3 14.65
Previous 18.3 24.4 2.4 29.5 38.3
Median 17.7 24.40 5.18 56.00 38.3
2.8m 15.40 8.50 0.03 0.3 14.65
Previous 18.2 26.4 4.5 56.0 41.0
Median 17.6 21.70 5.18 56.00 34.6

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1
Previous 0.1 12 6.9
Median 0.1 11 7.0
Bottom 2.8
Previous 3.5 4 7.3
Median 2.9 32 7.2

Other details

Max depth 2.87
Previous 3.64
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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