Observation details

Overview

Estuary Gellibrand River Estuary
Site Bridge at Latrobe Creek Mouth as it enters the Gellibrand
Observation ID #11763
Date and Time Friday 2nd February 2018 13:59pm
Approved Approved

Notes

AHD G2 1.11

Water just coming on to flats D/S G4, with water running through the dip in causeway. Water in drains U/S G4 but not on pasture. Springs running strongly along OOR

Chart used for NTU's. Bottom sample contained small black specs & very small pieces of algae.

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 20.20 1.90 8.09 90.4 3.55 Cold wind (4) from S.E. Waves U/S
Previous 21.6 2.3 8.2 93.8 4.4
Median 17.0 2.20 6.82 72.80 4.4
0.5m 20.10 1.90 8.02 99.4 3.55
Previous 20.4 2.9 6.8 77.1 5.3
Median 16.9 2.00 6.73 72.20 3.7
1.0m 20.00 1.90 7.82 87.0 3.60
Previous 21.3 17.4 6.5 81.4 28.4
Median 17.2 6.50 6.54 73.80 11.1
1.5m 19.90 1.90 6.78 75.5 3.64
Previous 20.0 24.9 6.2 78.2 38.9
Median 16.9 5.90 6.19 73.20 6.4
2.0m 21.20 8.60 2.45 25.5 14.60
Previous 19.1 30.5 2.7 35.5 46.9
Median 16.1 27.10 5.18 60.40 42.1
2.5m 20.80 25.60 6.24 81.1 39.90
Previous 18.3 32.8 2.8 36.5 49.9
Median 16.1 27.10 5.68 62.40 42.1
3.0m 19.60 30.30 3.41 44.5 46.56
Previous 18.7 31.9 0.4 5.4 48.8
Median 18.3 30.30 3.09 39.60 46.5
3.2m 19.20 31.20 2.45 31.9 47.74 All readingss over wide range
Previous 15.2 29.6 4.3 48.8 45.7
Median 17.3 30.20 3.09 39.60 46.4

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 7.2
Previous 0.1 9 7.1
Median 0.1 9 6.8
Bottom 3.2 32 7.2
Previous 3.8
Median 2.9

Other details

Max depth 3.35
Previous 3.90
Median 3.00
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
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