Observation details

Overview

Estuary Gellibrand River Estuary
Site Bridge at Latrobe Creek Mouth as it enters the Gellibrand
Observation ID #10188
Date and Time Wednesday 2nd March 2016 12:15pm
Approved Approved

Notes

  • Drop in D.O. measurements at 0.50 re-tested several times to check accuracy
  • Rise in D.O at 3.00m from top

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 22.60 0.90 6.28 72.7 1.84
Previous 20.4 1.9 7.0 79.1 3.6
Median 18.4 3.20 7.05 74.50 6.0
0.5m 21.60 1.00 4.26 48.9 1.96 D.O. extremely- wide range erratic
Previous 18.8 0.8 6.8 73.4 1.6
Median 17.2 3.20 7.05 74.50 6.0
1.0m 21.30 1.40 6.85 78.1 2.77
Previous 20.3 1.9 6.7 75.0 3.6
Median 17.3 5.10 6.70 74.80 9.3
1.5m 21.20 1.60 7.05 79.7 3.09 D.O. erratic
Previous 19.8 1.7 6.6 39.5 3.3
Median 17.3 5.10 6.62 72.30 9.3
2.0m 21.10 1.80 6.74 76.5 3.36
Previous 21.2 11.2 1.6 19.6 18.5
Median 17.3 24.80 6.33 64.20 38.8
2.5m 21.00 5.80 0.04 0.4 10.30 E.C. wide range
Previous 21.4 19.3 2.2 22.9 30.1
Median 17.1 24.80 6.33 64.20 38.8
3.0m 21.20 26.50 0.58 7.7 41.14 D.O.erratic
Previous 20.9 31.0 0.0 0.4 47.5
Median 18.1 30.80 2.45 31.90 47.4
3.5m 20.70 30.70 0.02 0.3 47.09
Previous 21.0 30.8 2.3 31.9 47.2
Median 18.1 30.80 2.94 36.90 47.4

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 6.3
Previous 0.1 9 6.8
Median 0.1 9 7.0
Bottom
Previous 2.5
Median 2.5

Other details

Max depth 3.57
Previous 3.55
Median 3.20
Flow estimate Pool

Observation Documents

No documents found for this observation

Preceding Observations

C Estuary is closed to the sea. O Estuary is open to the sea. P Perched
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