EstuaryWatch Data Portal
Po2 Site two (Mouth of Powlett Road Bridge)
11 August 2012
Observation details
Overview
Estuary | Powlett River Estuary |
---|---|
Site | Site two (Mouth of Powlett Road Bridge) |
Observation ID | #5022 |
Date and Time | Saturday 11th August 2012 08:10am |
Approved | Approved |
Notes
Following a few days of high rainfall there was a very strong current. The fast flowing water made it difficult to accurately measure the depths so there will be greater error in the depth measurements. The current also prevented the Van Dorn from settling on the river bed. It was pulled along in the current.
The water appeared to be very muddy and the turbidity readings confirmed this. A possible reason for the high reading may be to do with the above average rainfall this winter and the fact that much of the surrounding farmland has been turned to mud by cattle. A greater amount of this sediment would be washing down the surrounding tributaries as the wet winter drags on and the mud increases. Also there have been reports of many landslips in the Powlett catchment due to the high rainfall this winter.
Depth Profiling
Depth m | Temperature °C | Salinity ppt | D.O. mg/L | D.O. % sat | EC mS/cm | Notes | |
---|---|---|---|---|---|---|---|
0.1m | 9.60 | 0.20 | 9.08 | 80.0 | 0.49 | ||
Previous | 8.8 | 2.5 | 9.1 | 79.8 | 3.2 | ||
Median | 15.0 | 6.30 | 7.00 | 79.80 | 11.0 | ||
0.5m | 9.40 | 0.20 | 9.04 | 79.0 | 0.49 | ||
Previous | 12.1 | 0.4 | 7.0 | 65.0 | 0.8 | ||
Median | 17.3 | 9.70 | 7.00 | 80.00 | 16.5 | ||
1.0m | 9.40 | 0.20 | 9.02 | 79.0 | 0.49 | ||
Previous | 10.5 | 20.0 | 9.9 | 90.5 | 24.0 | ||
Median | 15.0 | 27.90 | 6.91 | 73.20 | 42.0 | ||
1.5m | 9.40 | 0.20 | 8.95 | 78.0 | 0.49 | ||
Previous | 12.1 | 0.4 | 7.0 | 65.0 | 0.8 | ||
Median | 17.6 | 32.00 | 6.91 | 73.20 | 48.8 | ||
2.0m | 9.40 | 0.20 | 9.02 | 79.0 | 0.49 | ||
Previous | 11.8 | 30.5 | 8.5 | 94.3 | 46.8 | ||
Median | 15.2 | 32.40 | 6.87 | 77.50 | 49.5 | ||
2.5m | 9.40 | 0.20 | 9.05 | 79.0 | 0.48 | ||
Previous | 12.1 | 0.5 | 6.9 | 64.7 | 1.0 | ||
Median | 17.3 | 34.00 | 6.87 | 77.50 | 51.6 | ||
3.0m | 9.40 | 0.20 | 9.04 | 79.0 | 0.48 | ||
Previous | 11.9 | 32.2 | 8.3 | 95.0 | 49.3 | ||
Median | 15.5 | 33.90 | 6.08 | 78.60 | 51.6 | ||
3.5m | 9.40 | 0.20 | 8.95 | 78.0 | 0.49 | ||
Previous | 13.2 | 19.6 | 5.7 | 68.0 | 31.5 | ||
Median | 16.6 | 34.40 | 6.08 | 78.60 | 52.2 | ||
4.0m | 9.40 | 0.20 | 8.95 | 78.0 | 0.49 | ||
Previous | 11.9 | 32.9 | 8.4 | 94.8 | 50.3 | ||
Median | 15.6 | 34.40 | 7.20 | 84.00 | 52.3 | ||
4.3m | 9.40 | 0.20 | 9.00 | 78.0 | 0.49 | ||
Previous | 16.6 | 34.6 | 2.5 | 26.0 | 52.5 | ||
Median | 15.6 | 34.40 | 4.50 | 54.40 | 52.3 |
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