EstuaryWatch Data Portal
G2 Old Coach Road Bridge Princetown
2 February 2018
Observation details
Overview
| Estuary | Gellibrand River Estuary |
|---|---|
| Site | Old Coach Road Bridge Princetown |
| Observation ID | #11762 |
| Date and Time | Friday 2nd February 2018 13:31pm |
| Approved | Approved |
Notes
AHD G2 1.11 @ 11:56 G6 1.08 @ 11
:27Flow estimate difficult because of wind driven waves.
Mouth still barred -more sand sea side of berm & sand very high at east end of beach. Estuary front wider but low track not yet completely covered all way. No water over any roads or other tracks.
New sample equip for pH & turbidity used. Chart used for NTU's. Water sample from 10 cm above bottom contained small specks of black sediment & very small pieces of algae
Depth Profiling
| Depth m | Temperature °C | Salinity ppt | D.O. mg/L | D.O. % sat | EC mS/cm | Notes | |
|---|---|---|---|---|---|---|---|
| 0.1m | 19.80 | 1.90 | 7.99 | 88.5 | 3.52 | strong very cold S.E. wind waves U/S G2 | |
| Previous | 26.7 | 2.7 | 6.3 | 80.0 | 5.0 | ||
| Median | 16.8 | 2.30 | 6.87 | 71.90 | 4.3 | ||
| 0.5m | 19.80 | 1.90 | 7.99 | 88.4 | 3.52 | ||
| Previous | 21.2 | 2.4 | 8.2 | 93.8 | 4.5 | ||
| Median | 16.8 | 2.30 | 6.91 | 71.90 | 4.3 | ||
| 1.0m | 19.70 | 1.80 | 7.52 | 83.3 | 3.51 | ||
| Previous | 26.4 | 3.5 | 6.5 | 83.0 | 6.3 | ||
| Median | 18.0 | 5.30 | 6.66 | 73.40 | 8.3 | ||
| 1.5m | 19.70 | 1.90 | 7.94 | 86.4 | 3.59 | E.C. erratic | |
| Previous | 21.1 | 17.3 | 6.9 | 86.5 | 28.1 | ||
| Median | 18.0 | 5.40 | 6.88 | 73.40 | 9.3 | ||
| 2.0m | 20.40 | 8.70 | 3.64 | 43.0 | 14.61 | '' '' D.O. very erratic | |
| Previous | 20.8 | 27.8 | 7.4 | 97.1 | 43.2 | ||
| Median | 16.6 | 26.20 | 5.76 | 64.30 | 40.7 | ||
| 2.5m | 24.70 | 24.60 | 6.17 | 80.1 | 38.55 | ||
| Previous | 19.0 | 31.0 | 2.4 | 30.5 | 47.5 | ||
| Median | 16.6 | 26.20 | 5.76 | 64.30 | 40.7 | ||
| 3.0m | 19.80 | 29.50 | 4.01 | 52.2 | 45.46 | ||
| Previous | 19.3 | 33.0 | 3.2 | 42.5 | 50.5 | ||
| Median | 17.2 | 30.30 | 3.27 | 40.00 | 46.5 | ||
| 3.5m | 19.10 | 31.50 | 2.42 | 31.1 | 48.18 | ||
| Previous | 18.0 | 32.9 | 0.2 | 3.1 | 50.1 | ||
| Median | 16.7 | 30.10 | 3.27 | 38.70 | 46.4 | ||
| 4.0m | 18.50 | 32.40 | 0.69 | 8.9 | 49.44 | ||
| Previous | 18.6 | 33.9 | 1.2 | 15.6 | 51.6 | ||
| Median | 17.9 | 30.90 | 1.05 | 11.60 | 47.4 | ||
| 4.5m | 18.20 | 32.60 | 0.06 | 0.8 | 49.67 | ||
| Previous | 12.0 | 0.1 | 7.9 | 73.4 | 0.3 | ||
| Median | 17.9 | 30.90 | 0.33 | 3.80 | 47.4 |
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