Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #9039
Date and Time Friday 1st August 2014 13:20pm
Approved Approved

Notes

  • AHD 1.38
  • Air Temp 8.c
  • Monitoring not possible because of strong current going upstream & danger of probe becoming tangled in bridge structure
  • Water very dark all along river, estuary & out around mouth

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 9.30 0.90 8.28 72.8 1.85 data not collected beyond 2.00m down
Previous 9.4 0.3 9.1 79.0 0.5
Median 15.1 1.60 7.60 75.60 3.1
0.5m 9.30 1.00 8.07 70.8 1.93 because of strong current going upstream &
Previous 9.0 0.3 8.3 72.6 0.6
Median 15.1 1.60 7.57 75.10 3.1
1.0m 9.30 1.10 7.80 68.3 2.07 galeforce south wind
Previous 9.3 0.3 9.1 79.4 0.5
Median 15.1 4.10 7.25 77.00 5.8
1.5m 9.30 1.10 7.67 67.3 2.20 Salinity about 4.50m. down 6.9ppt
Previous 9.0 0.2 8.2 72.7 0.5
Median 15.1 4.10 7.16 75.90 5.8
2.0m 9.30 1.20 7.61 66.9 2.28
Previous 9.3 0.3 9.1 79.2 0.5
Median 15.3 27.30 6.59 71.50 42.5

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 27 7.1
Previous 0.1 17 7.0
Median 0.1 13 6.9
Bottom
Previous 4.4 7 6.8
Median 3.8 27 6.8

Other details

Max depth 4.77
Previous 4.10
Median 3.98
Flow estimate N/A

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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