Barwon River Estuary

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170 results found (Displaying 76 - 100)
ID Date Status Details
#10864 2 Mar 2017 Approved Notes:

Low tide time: 9:33am

Surface of Lake Connewarre covered with algae - pale greenish yellow with lots of trapped bubbles (see photographs)

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.6 23.20 25.80 8.03 99.2 36.90
0.5m 9.0 8.6 24.20 27.80 7.05 89.2 39.70
#10811 15 Feb 2017 Approved Notes:

The depth markers on the Hach meter cords do not correspond with the 50cm measurements on the weighted rope.

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 11.0 7.2 20.30 27.00 12.53 139.8 38.50
0.4m 11.0 7.5 20.40 26.70 13.44 150.3 38.10
#10772 2 Feb 2017 Pending
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.3 21.10 30.90 10.37 117.0 44.20
0.5m 9.0 8.2 21.10 30.90 10.50 118.5 44.10
#10743 18 Jan 2017 Pending Notes:

Water very clear.

Should take the remote sampler to B2 and B5.

As you can see, today's data collection reflects we are still in learning mode.

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.3 21.20 30.73 9.08 102.7 43.90
0.5m 9.0 8.2 21.30 30.66 9.08 102.8 43.80
#10666 5 Jan 2017 Pending Notes:

Time of low tide - 10.00

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 21.0 7.8 21.20 30.73 9.08 102.7 43.90
0.5m 21.0 7.7 21.30 30.66 9.08 102.8 43.80
#10753 13 Dec 2016 Approved Notes:

Not 100% sure if its Hach 1 or Hach 2?

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 42.0 8.0 19.10 15.40 8.00 86.9 22.00
0.5m 42.0 7.8 19.20 15.34 7.76 84.5 21.91
#10587 1 Dec 2016 Approved Notes:

Time of low tide: 08:12

Conversion to salinity from EC should be x 0.7, but seems to be x 0.64

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 26.0 8.2 20.10 8.37 7.94 88.7 11.95
0.4m 26.0 8.1 19.90 8.71 7.18 79.6 12.44
#10565 23 Nov 2016 Approved Notes:

The multi parameter meter had been used previously on this date, but program would not allow me to check this box.

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 25.0 8.0 18.30 9.30 6.85 72.8 13.25
1.6m 25.0 7.9 18.50 9.30 6.79 72.7 13.29
#10536 3 Nov 2016 Approved Notes:

Very low EC

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 40.0 7.6 14.20 0.79 7.52 73.4 1.13
0.6m 40.0 7.7 14.20 0.79 7.36 71.8 1.12
#10533 2 Nov 2016 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 64.0 7.9 14.90 0.75 8.05 79.9 1.07
0.6m 64.0 7.9 14.80 0.75 7.96 78.9 1.07
#10605 6 Oct 2016 Approved Notes:

Sea Eagle circling overhead

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 90.0 7.1 12.60 0.69 7.92 74.9 0.99
1.0m 90.0 7.1 12.50 0.72 8.06 75.9 1.03
#10609 1 Sep 2016 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 50.0 7.6 13.30 1.48 8.48 81.2 2.12
0.3m 50.0 7.1 13.10 1.55 8.28 7.9 2.21
#10439 4 Aug 2016 Approved Notes:

EC readings much lower than usual

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 54.0 7.9 10.00 1.49 9.21 80.8 2.12
0.5m 54.0 7.8 10.00 1.49 9.18 80.4 2.12
#10669 12 Jul 2016 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.00 1.49 9.21 80.8 2.12
0.5m 10.00 1.49 9.18 80.4 2.12
#10603 8 Jul 2016 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 25.0 8.2 10.70 3.62 11.53 103.9 5.17
0.5m 25.0 7.4 11.30 6.83 62.3
#10346 2 Jun 2016 Approved Notes:

EC checked, but calibration not required

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.1 11.00 28.00 10.57 95.2 40.00
0.5m 9.0 8.2 11.60 33.39 11.42 103.9 47.70
#10292 5 May 2016 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 41.0 7.7 12.80 36.61 8.80 83.7 52.30
0.6m 41.0 8.0 12.70 36.68 8.80 83.5 52.40
#10240 7 Apr 2016 Approved Notes:

Salinity checked, but calibration not required

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.0 7.8 15.80 40.25 8.11 81.7 57.50
0.3m 14.0 7.9 15.80 40.32 8.15 82.0 57.60
#10182 3 Mar 2016 Approved Notes: EC checked, but calibration not required.
Initial readings for DO at 0.1m, were unexpectedly different from those at 0.5m, considering the water was very turbulent. We repeated the readings at 0.1m in triplicate,and decided to eliminate the initial readings (outliers) and averaged the later three readings.
Raw data is recorded on the reverse side of the data sheet.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 34.0 7.6 21.15 42.49 4.94 55.6 60.70
0.5m 34.0 7.6 21.15 42.49 4.67 52.5 60.70
#10130 4 Feb 2016 Approved Notes: Salinity checked but calibration not required.
Note: High turbidity
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 20.0 7.9 19.60 37.10 5.48 60.0 53.00
0.4m 20.0 7.8 19.60 37.10 5.45 59.6 53.00
#10051 7 Jan 2016 Approved Notes: EC checked, but calibration not required.
It was difficult to collect a bottom sample without disturbing the algae and sediment. This had contributed to a high bottom turbidity reading.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.9 21.20 40.67 9.14 102.8 58.10
0.2m 9.0 7.9 21.25 40.53 9.17 103.1 57.90
#9974 3 Dec 2015 Approved Notes: EC checked but calibration not required.No turbidity reading taken for bottom sample. Turbidity tube leaking.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.2 17.10 32.06 7.82 80.5 45.80
0.5m 9.0 8.1 17.00 32.06 7.84 80.6 45.80
#9937 6 Nov 2015 Approved Notes: Conductivity checked, but calibration not required
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.9 20.35 25.06 7.55 84.6 35.80
0.4m 9.0 7.8 20.50 24.99 7.50 84.1 35.70
#9866 1 Oct 2015 Approved Notes: Salinity checked but calibration not required.
At depth of 0.1m, the EC was estimated as the meter reading did not stabilise within a reasonable time.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.8 8.4 15.25 7.84 10.81 107.5 11.20
0.3m 14.8 8.4 15.20 9.51 12.06 119.6 13.58
#9827 3 Sep 2015 Approved Notes: Salinity checked, but calibration not required.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 8.2 13.05 17.57 9.43 90.0 25.10
0.5m 10.0 8.2 13.05 19.53 9.16 87.3 27.90
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