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Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #10230
Date and Time Tuesday 29th March 2016 10:15am
Approved Approved

Notes

  • Narrow shallow flow along channel, between rocks & out over high sand build up. Channel very shallow from start (close to tunnel)
  • Sheer 0.40m. side to channel close to rocks
  • Previous high area of beach front east of outflow has been greatly reduced by waves from rough seas
  • Waves have been high up to sand dunes on beach and around into estuary. Seaweed clumps all along beach and estuary extending along low track to near car park
  • Sea rough, sand visible in breakers out from mouth.
  • Strong longshore drift crossing over outflow & meeting SW swell resulting in waves in all directions in front of rocks
  • Dark swash line along beach intensifying at east end.
  • Low tide, possible to walk around to 2nd. beach(east) where large areas of cliff erosion & areas of deeply scoured sand have occurred. 2 Hooded Plovers in this area feeding along swash line
  • 16 Silver gulls, 6 Terns on Princetown beach also 2 Pelicans on sand bar in estuary

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 South
Beaufort Scale Moderate breeze
Sea State Rough

Water Levels and Tides

Water Level Start Finish
Height (m) 0.60m 0.58m
Time (hh:mm) 00:15 12:25
Tidal influence Yes
Tidal Range Time Height
High 16:20 1.030
Low 09:29 0.270

Observation Documents

Link Date File name Description
29-03-2016 10:15 Photopoint Gp1_1
29-03-2016 10:15 Photopoint Gp1_2
29-03-2016 10:15 Photopoint Gp1_3
29-03-2016 10:15 Photopoint Gp1_4
29-03-2016 10:15 Photopoint Gp1_5