Observation details

Overview

Estuary Gellibrand River Estuary
Site Bridge at Latrobe Creek Mouth as it enters the Gellibrand
Observation ID #11876
Date and Time Sunday 11th March 2018 12:25pm
Approved Approved

Notes

AHD G2 1.00 @ 12:25

Cold S/E wind -waves going upstream, but drift on probe indicated strong discharge into river

Water colour very dark & dirty with 'oily' slick on surface, some small fish being swept D/S by strong current

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 20.60 2.40 0.05 0.6 4.42 E.C. erratic -stong D/S drift on probe
Previous 19.9 1.1 5.9 66.0 2.2
Median 17.1 1.90 6.95 72.80 3.6
0.5m 20.60 2.40 0.03 0.4 4.48
Previous 21.0 1.5 6.4 72.3 2.8
Median 17.1 1.90 6.95 72.80 3.6
1.0m 20.60 2.40 0.04 0.4 4.48
Previous 19.9 1.3 5.5 60.5 2.6
Median 18.0 2.70 6.72 73.80 4.3
1.5m 20.60 2.40 0.03 0.4 4.49
Previous 20.3 2.0 6.1 68.2 3.8
Median 17.2 2.70 6.72 73.80 4.3
2.0m 20.60 2.40 0.03 0.4 4.53
Previous 19.8 3.0 0.1 0.7 5.5
Median 16.6 21.70 5.79 60.50 34.6
2.5m 20.40 2.40 0.03 0.4 4.53
Previous 20.0 8.4 1.4 16.3 14.4
Median 16.1 21.70 5.79 60.50 34.6
3.0m 20.60 2.50 0.03 0.4 4.55
Previous 19.6 28.0 0.1 0.6 42.8
Median 18.7 30.00 2.45 31.90 46.2
3.2m 20.60 2.50 0.06 0.4 5.03
Previous 19.8 28.3 0.0 0.5 43.8
Median 18.7 30.20 3.09 39.60 46.4

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1
Previous 0.1 2 7.4
Median 0.1 9 6.9
Bottom 3.2
Previous 3.5 1 7.1
Median 2.9 32 7.2

Other details

Max depth 3.35
Previous 3.63
Median 3.00
Flow estimate Fast

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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