EstuaryWatch Data Portal
G2 Old Coach Road Bridge Princetown
31 May 2017
Observation details
Overview
| Estuary | Gellibrand River Estuary |
|---|---|
| Site | Old Coach Road Bridge Princetown |
| Observation ID | #11243 |
| Date and Time | Wednesday 31st May 2017 10:45am |
| Approved | Approved |
Notes
Natural opening occurred over night. Strong outflow through a very wide entrance both at mouth & start of channel
AHD 1.09 @ 08:52 0.86 @ 10:36 0.82 @ 11:37
AHD G6 2.31 @ 08:38
Waves pulsing from entrance to G2 but very strong flow downstream below 2.00m increasing with depth. Weights & rope covered with dead veg. & coarse black silt
Similar conditions at Lt1 but too much drift on weighted rope / probe to monitor. Large amount of dead veg. in flow. Fish (about 10 -15 cm) trying to swim upstream against flow
Depth Profiling
| Depth m | Temperature °C | Salinity ppt | D.O. mg/L | D.O. % sat | EC mS/cm | Notes | |
|---|---|---|---|---|---|---|---|
| 0.1m | 10.40 | 1.80 | 5.97 | 54.0 | 3.36 | ||
| Previous | 12.1 | 1.9 | 8.1 | 76.3 | 3.6 | ||
| Median | 17.1 | 2.50 | 6.87 | 73.20 | 4.9 | ||
| 0.5m | 10.40 | 1.80 | 5.95 | 53.0 | 3.34 | ||
| Previous | 15.5 | 5.3 | 4.0 | 41.3 | 10.5 | ||
| Median | 17.2 | 2.60 | 6.87 | 73.20 | 5.1 | ||
| 1.0m | 10.30 | 1.90 | 5.93 | 53.4 | 3.59 | ||
| Previous | 12.4 | 2.4 | 8.2 | 77.6 | 4.5 | ||
| Median | 17.8 | 5.60 | 6.77 | 75.90 | 9.4 | ||
| 1.5m | 10.30 | 1.90 | 5.95 | 53.8 | 3.60 | ||
| Previous | 16.5 | 23.6 | 7.0 | 82.0 | 35.8 | ||
| Median | 18.0 | 7.00 | 6.77 | 75.90 | 9.8 | ||
| 2.0m | 10.30 | 1.80 | 5.89 | 53.3 | 3.55 | ||
| Previous | 14.3 | 26.3 | 5.9 | 69.7 | 41.2 | ||
| Median | 16.7 | 26.30 | 5.76 | 65.60 | 41.2 | ||
| 2.5m | 10.30 | 1.90 | 5.94 | 53.7 | 3.69 | ||
| Previous | 16.6 | 31.8 | 4.8 | 59.0 | 48.5 | ||
| Median | 17.1 | 28.10 | 5.76 | 65.60 | 43.5 | ||
| 3.0m | 10.30 | 1.80 | 5.89 | 53.2 | 3.44 | ||
| Previous | 15.4 | 30.1 | 2.6 | 32.3 | 46.4 | ||
| Median | 16.7 | 30.50 | 3.38 | 38.70 | 46.8 | ||
| 3.5m | 10.30 | 1.90 | 5.98 | 54.0 | 3.69 | ||
| Previous | 16.6 | 32.5 | 4.5 | 55.1 | 49.5 | ||
| Median | 17.1 | 30.60 | 3.42 | 38.80 | 47.0 | ||
| 4.0m | 10.30 | 1.90 | 5.88 | 53.1 | 3.58 | ||
| Previous | 16.1 | 31.5 | 0.1 | 0.7 | 48.2 | ||
| Median | 17.5 | 31.20 | 1.43 | 18.10 | 47.8 | ||
| 4.4m | 10.30 | 1.90 | 5.97 | 53.8 | 3.55 | ||
| Previous | 16.6 | 32.6 | 4.2 | 51.7 | 49.7 | ||
| Median | 17.5 | 31.20 | 1.43 | 18.10 | 47.7 |
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