Site details

Overview

Estuary Gellibrand River Estuary
CMA Corangamite CMA
Type Physico-Chemical
Site code G5
Site name Coxon's Bridge
Nearest road and town Old Ocean Road, Princetown
Description Bridge at Coxon's
Site access Access via Old Ocean Road. Second bridge along.
Land use
  • Other
  • Rural Grazing
Land use description Grazing land.
Status Active
Observation history 21-04-2007 - 19-04-2019
G5
Phys/Chem Monitoring Site Five

Map

Observations

C Estuary is closed to the sea. O Estuary is open to the sea. P Perched
Turbidity tubes do not measure below 9 NTU; Chart values of 9 should be interpreted as < 9 NTU

Observations

Date 18-05-2018 21-09-2018 19-10-2018 16-11-2018 15-02-2019 28-02-2019 06-03-2019 19-03-2019 22-03-2019 28-03-2019 01-04-2019 02-04-2019 11-04-2019 19-04-2019
Observation #12069 #12402 #12450 #12536 #12702 #12732 #12750 #12772 #12781 #12803 #12807 #12808 #12845 #12856

Observation summaries

Turbidity NTU

18-05-2018 21-09-2018 19-10-2018 16-11-2018 15-02-2019 28-02-2019 06-03-2019 19-03-2019 22-03-2019 28-03-2019 01-04-2019 02-04-2019 11-04-2019 19-04-2019
Top 9.0 13.0 60.0 15.0 9.0 3.6 9.0
Bottom 27.0 15.0 60.0 27.0 9.0 3.7 9.0

pH

18-05-2018 21-09-2018 19-10-2018 16-11-2018 15-02-2019 28-02-2019 06-03-2019 19-03-2019 22-03-2019 28-03-2019 01-04-2019 02-04-2019 11-04-2019 19-04-2019
Top 6.3 6.8 6.6 6.8 6.6 6.9 6.5
Bottom 6.3 6.6 6.6 6.6 6.6 6.9 6.6

Temperature ° C

18-05-2018 21-09-2018 19-10-2018 16-11-2018 15-02-2019 28-02-2019 06-03-2019 19-03-2019 22-03-2019 28-03-2019 01-04-2019 02-04-2019 11-04-2019 19-04-2019
Top 11.80 10.40 15.10 15.10 17.00 19.20 19.10 17.20 18.40 16.20 14.50 15.00 14.00 14.10
Bottom 11.70 10.30 15.10 15.10 20.00 19.20 19.10 16.70 18.10 16.00 14.50 14.60 13.90 14.10

Salinity ppt

18-05-2018 21-09-2018 19-10-2018 16-11-2018 15-02-2019 28-02-2019 06-03-2019 19-03-2019 22-03-2019 28-03-2019 01-04-2019 02-04-2019 11-04-2019 19-04-2019
Top 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10
Bottom 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10

D.O. mg/L

18-05-2018 21-09-2018 19-10-2018 16-11-2018 15-02-2019 28-02-2019 06-03-2019 19-03-2019 22-03-2019 28-03-2019 01-04-2019 02-04-2019 11-04-2019 19-04-2019
Top 8.59 9.63 7.48 7.96 4.98 5.61 6.59 5.95 5.51 7.04 8.52 6.82 7.03
Bottom 8.37 9.57 7.39 7.92 4.73 5.31 6.31 5.57 5.33 6.97 8.49 6.75 6.71

D.O. % Sat

18-05-2018 21-09-2018 19-10-2018 16-11-2018 15-02-2019 28-02-2019 06-03-2019 19-03-2019 22-03-2019 28-03-2019 01-04-2019 02-04-2019 11-04-2019 19-04-2019
Top 79.20 86.90 74.40 79.10 54.00 60.60 68.40 63.30 56.10 69.00 84.50 66.20 68.40
Bottom 77.00 85.40 73.30 78.80 50.90 57.30 65.10 59.00 54.20 68.40 83.80 65.40 55.20

Conductivity mS/cm

18-05-2018 21-09-2018 19-10-2018 16-11-2018 15-02-2019 28-02-2019 06-03-2019 19-03-2019 22-03-2019 28-03-2019 01-04-2019 02-04-2019 11-04-2019 19-04-2019
Top 2.95 0.31 0.26 0.28 0.26 0.27 0.26 0.27 0.23 0.29 0.29 0.28 0.38
Bottom 2.95 0.31 0.27 0.28 0.26 0.26 0.26 0.27 0.28 0.29 0.29 0.28 0.28
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