EstuaryWatch Data Portal
G2 Old Coach Road Bridge Princetown
31 May 2018
Observation details
Overview
| Estuary | Gellibrand River Estuary |
|---|---|
| Site | Old Coach Road Bridge Princetown |
| Observation ID | #12101 |
| Date and Time | Thursday 31st May 2018 11:35am |
| Approved | Approved |
Notes
AHD G2 0.91 @ 11:35 0.98 @ 12:35
Freshwater inflow difficult to estimate as waves were going upstream to 1.00m, then with slight downstream movement before returning upstream
Flats upstream to & around G4 have drained but visible water remains around G5 in lower areas. Large areas od water cover occur upstream of Rowans Gully
Depth Profiling
| Depth m | Temperature °C | Salinity ppt | D.O. mg/L | D.O. % sat | EC mS/cm | Notes | |
|---|---|---|---|---|---|---|---|
| 0.1m | 11.40 | 2.80 | 8.50 | 79.2 | 5.22 | S.E. wind surface waves U.S. to G2 | |
| Previous | 12.3 | 2.6 | 7.6 | 73.2 | 4.9 | ||
| Median | 17.9 | 1.80 | 6.92 | 71.30 | 3.5 | ||
| 0.5m | 11.40 | 2.80 | 8.49 | 79.2 | 5.22 | ||
| Previous | 11.9 | 2.3 | 6.8 | 64.6 | 4.3 | ||
| Median | 17.9 | 1.80 | 6.85 | 71.20 | 3.5 | ||
| 1.0m | 11.40 | 2.90 | 8.43 | 78.5 | 5.28 | D.O. erratic -wide range E.C. erratic | |
| Previous | 13.2 | 20.2 | 6.7 | 74.3 | 28.6 | ||
| Median | 18.0 | 3.50 | 6.72 | 70.80 | 6.3 | ||
| 1.5m | 12.10 | 12.20 | 8.04 | 74.8 | 17.78 | " " | |
| Previous | 12.1 | 4.3 | 5.2 | 52.2 | 8.2 | ||
| Median | 18.0 | 3.30 | 6.55 | 70.80 | 5.8 | ||
| 2.0m | 13.40 | 23.50 | 7.02 | 75.1 | 37.25 | D.O. & E.C. very erratic wide range | |
| Previous | 15.0 | 29.2 | 6.5 | 76.5 | 45.2 | ||
| Median | 17.6 | 23.10 | 5.95 | 69.00 | 36.4 | ||
| 2.5m | 14.30 | 29.30 | 7.22 | 83.6 | 45.38 | E.C. erratic | |
| Previous | 12.8 | 11.4 | 3.0 | 32.0 | 19.1 | ||
| Median | 17.6 | 21.60 | 5.94 | 63.40 | 34.4 | ||
| 3.0m | 14.60 | 31.40 | 7.12 | 85.2 | 48.08 | ||
| Previous | 15.3 | 31.3 | 6.3 | 76.6 | 47.9 | ||
| Median | 17.7 | 30.00 | 3.92 | 46.10 | 46.0 | ||
| 3.5m | 14.80 | 32.00 | 6.73 | 80.5 | 48.95 | ||
| Previous | 13.7 | 28.2 | 4.0 | 47.0 | 42.1 | ||
| Median | 17.9 | 30.00 | 3.92 | 46.10 | 46.0 | ||
| 4.0m | 14.80 | 32.00 | 6.22 | 74.6 | 49.60 | ||
| Previous | 14.5 | 32.1 | 3.3 | 39.7 | 49.2 | ||
| Median | 18.2 | 32.10 | 1.18 | 15.60 | 49.2 | ||
| 4.3m | 14.80 | 32.00 | 6.22 | 75.1 | 49.02 | ||
| Previous | 17.9 | 31.9 | 1.1 | 13.7 | 48.8 | ||
| Median | 18.2 | 32.00 | 1.08 | 13.70 | 49.1 |
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