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Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #2913
Date and Time Friday 11th December 2009 09:25am
Approved Approved

Notes

1. Greatly reduced outflow, slight pale discharge around mouth, large amount of sand visiable in rough water
2. Large sand build up at mouth. Channel between rocks and entrance now only 10 -50cm.deep
Width between rocks and cliff 2m.
3.High sand build up mid beach, longshore drift bringing more sand into channel.Area behind rocks has more sand
4.Water level in estuary higher.Wide variety of coloured seaweed at high tide mark
5.Gladiolus undulatus flowering along low track to beach

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 South-West
Beaufort Scale High wind, moderate gale, near gale Fresh breeze
Sea State Rough Moderate

Water Levels and Tides

Water Level Start Finish
Height (m) 0.86m 0.87m
Time (hh:mm) 09:25 10:35
Tidal influence Yes
Tidal Range Time Height
High 04:10 0.750
Low 12:32 0.360

Observation Documents

Link Date File name Description
11-12-2009 09:25 Photopoint GP.1
11-12-2009 09:25 Photopoint GP.2
11-12-2009 09:25 Photopoint GP.3
11-12-2009 09:25 Photopoint GP.4
11-12-2009 09:25 Photopoint GP.5