EstuaryWatch Data Portal
Overview
| Estuary | Balcombe Creek Estuary |
|---|---|
| Site | Jetty near mouth |
| Observation ID | #12176 |
| Date and Time | Sunday 25th February 2018 09:30am |
| Approved | Approved |
Notes
No stratification (sea water). Lack of stratification possibly due to the creek being very low (not flowing) for 2 months due to lack of rain. High tides and very strong westerlies (sometimes gale force) have probably pushed the seawater back up the estuary. The estuary flowing in reverse with resultant seawater.
All samples of nearly pure sea water.
Lower than usual pH samples. pH meter checked against standard afterwards.
Met with Peter O'Brien on Monday 19th at Augusta bridge site tot discuss last months data. He as going to investigate storm water drains, including current citation oval damage to explain high B.O.D. and EColi count.
Depth Profiling
| Depth m | Temperature °C | Salinity ppt | D.O. mg/L | D.O. % sat | EC mS/cm | Notes | |
|---|---|---|---|---|---|---|---|
| 0.1m | 20.30 | 34.60 | 2.37 | 38.7 | 52.40 | No stratification (sea water). All samples of nearly pure sea water. | |
| Previous | 27.0 | 17.1 | 3.2 | 45.8 | 28.0 | ||
| Median | 17.8 | 29.10 | 5.70 | 71.60 | 45.0 | ||
| 0.5m | 20.20 | 34.70 | 2.77 | 37.7 | 52.60 | No stratification (sea water). All samples of nearly pure sea water. | |
| Previous | 21.2 | 34.7 | 5.9 | 81.6 | 52.6 | ||
| Median | 17.8 | 29.10 | 5.70 | 71.60 | 45.0 | ||
| 0.6m | 20.10 | 34.80 | 2.81 | 38.1 | 52.70 | No stratification (sea water). All samples of nearly pure sea water. | |
| Previous | 17.8 | 28.8 | 5.7 | 71.6 | 44.5 | ||
| Median | 17.8 | 29.10 | 5.70 | 71.60 | 45.0 |
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