Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #8324
Date and Time Friday 7th June 2013 12:05pm
Approved Approved

Notes

  • G2 1.06 @12:05
  • Rough sea with waves entering estuary over sand build up at entrance -salt water to near tunnel
  • 22ml. rain o/n & high turbidity entering upstream G6.
  • Flats waterlogged from Princetown to G6 with visible water mainly from run off in drains & low areas
  • Large no water birds including 4 Red Kneed Dotterels

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 12.20 1.40 9.24 86.6 2.59
Previous 11.7 5.6 8.7 83.1 9.9
Median 16.7 1.80 7.61 78.00 3.4
0.5m 12.20 1.50 8.96 84.4 3.18
Previous 10.6 0.5 9.2 82.4 0.7
Median 16.8 1.80 7.61 78.00 3.4
1.0m 12.60 8.40 8.45 86.6 15.43
Previous 14.3 26.9 7.3 84.5 42.0
Median 17.2 3.80 7.40 78.90 7.4
1.5m 13.70 21.30 8.25 89.9 33.63
Previous 11.5 10.4 8.2 80.8 12.6
Median 17.3 3.80 7.48 78.90 7.4
2.0m 14.40 27.70 8.11 93.8 43.23
Previous 15.4 31.2 6.3 76.8 47.7
Median 16.6 24.90 6.35 75.90 39.2
2.5m 14.50 27.80 8.01 93.2 43.33
Previous 13.8 26.2 7.9 88.8 40.9
Median 16.7 24.90 6.40 75.90 39.2
3.0m 14.60 28.60 7.89 92.3 44.01
Previous 15.7 32.1 5.6 68.2 49.1
Median 16.7 30.20 4.26 53.90 46.5
3.5m 14.70 28.80 7.71 90.7 44.58
Previous 15.7 31.7 1.1 13.0 48.6
Median 16.9 30.20 4.26 53.90 46.5
4.0m 14.80 29.50 7.61 89.5 45.44
Previous 16.3 32.8 1.7 21.5 50.0
Median 17.0 32.00 1.15 12.50 48.8
4.3m 14.80 30.00 6.62 78.7 46.26
Previous 17.6 33.0 5.3 68.0 50.3
Median 17.0 32.00 1.15 12.50 48.8

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 6.8
Previous 0.1 9 7.0
Median 0.1 15 6.8
Bottom 2.5 9 8.1
Previous 2.5 9 7.8
Median 2.5 20 7.0

Other details

Max depth 4.37
Previous 3.86
Median 4.00
Flow estimate Slow

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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