Observation details

Overview

Estuary Gellibrand River Estuary
Site Bridge at Latrobe Creek Mouth as it enters the Gellibrand
Observation ID #11399
Date and Time Sunday 20th August 2017 13:20pm
Approved Approved

Notes

AHD G2 0.80

No wind

Flow initially slow downstream but then started going back upstream with translucent 'skeins' across water surface visible. Flow about 5 min. later stopped then started to move slowly downstream for very short period then returned to upstream (possibly coincided with low tide)

Main river channel was flowing extremely fast

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 8.60 0.50 6.01 51.5 0.97
Previous 8.3 0.3 7.2 62.3 0.5
Median 17.1 2.80 6.73 73.50 5.1
0.5m 8.50 0.50 6.00 51.6 0.96
Previous 10.6 3.7 7.5 69.6 6.8
Median 17.1 3.10 6.73 74.20 5.7
1.0m 8.30 0.50 5.93 51.6 0.97
Previous 8.5 0.5 6.9 59.0 1.1
Median 17.2 8.90 6.29 73.80 14.6
1.5m 8.30 0.50 5.88 50.1 0.97
Previous 12.8 18.3 7.9 81.8 29.4
Median 18.0 10.00 6.29 76.30 17.4
2.0m 8.30 0.50 5.92 50.4 0.97
Previous 8.0 1.1 6.1 51.7 2.2
Median 17.1 28.50 5.18 60.40 44.0
2.5m 8.30 0.50 5.92 50.7 0.97
Previous 13.8 28.8 6.3 74.3 44.5
Median 17.1 28.50 4.98 60.40 44.0
2.9m 8.30 0.50 5.79 49.2 0.97
Previous 10.7 2.3 3.0 27.0 4.3
Median 17.3 28.50 4.98 60.40 44.0

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 60 7.3
Previous 0.1 70 6.8
Median 0.1 9 6.9
Bottom 2.9
Previous 2.9
Median 2.8

Other details

Max depth 3.00
Previous 3.00
Median 2.91
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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