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Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #9617
Date and Time Saturday 16th May 2015 09:25am
Approved Approved

Notes

  • Natural opening 14/05/15 has now created a very wide opening (30-40m).
  • Large amount of dark discharge travelling both to south & east along foreshore
  • Channel to estuary is also wide with steep sheer edge 2-3m above present water level
  • Sudden & rapid discharge overnight has revealed sand bar & large expanses of sand extending north into estuary at the south side
  • Beach front is projecting out to sea at centre. Large waves scouring out 3m. high sand cliff below dunes at east end of beach
  • Strong rip & longshore drift
  • Some sand build up in front of rocks at entrance
  • Waves at mouth in all directions. Very large amount of sand visible in current
  • Low track fully exposed covered with dark silt, slime & debris. This is also over ocean beach
  • No sign of any dead fish or invertebrates
  • No water over any roads, camp ground still has water in very low areas on south, flats are draining

Mouth Observation

Mouth state Open
Previous
Flow Present? Yes
Previous
Flow Direction Out
Previous
Above Sea Above Estuary
Berm Height (m)
Berm Length (m)

Physical Condition

Current Mode
Wind Direction North
Beaufort Scale Light Breeze
Sea State Moderate

Water Levels and Tides

Water Level Start Finish
Height (m) 0.60m 0.58m
Time (hh:mm) 09:25 12:10
Tidal influence Yes
Tidal Range Time Height
High 12:06 0.980
Low 04:55 0.510

Observation Documents

Link Date File name Description
16-05-2015 09:25 Photopoint Gp1_1
16-05-2015 09:25 Photopoint Gp1_2
16-05-2015 09:25 Photopoint Gp1_3
16-05-2015 09:25 Photopoint Gp1_4
16-05-2015 09:25 Photopoint Gp1_5