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GMC Gellibrand River Estuary Mouth Observation Site

26 December 2009

Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #2961
Date and Time Saturday 26th December 2009 07:00am
Approved Approved

Notes

1.Reduced outflow, mainly around mouth & slightly to the east .Some lighter coloured water slightly to west.
2.Entrance is very shallow and channel has moved to east as sand has built up against the cliff
3.Some waves entering estuary down east side of channel. Longshore drift is continuing to bring sand from mid beach into channel. Beach is high/steep above water.
4.Water mark from last high tide- nearly to base of dunes at corner of estuary
5.Channel behind rocks about 4-5m in width
6.Sand covering rocks at east end of beach
7. Kestrels (3) flying around estuary.
8. 2.5ml rain from19.12.09 - 26.12.09

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 Light Breeze Moderate breeze
Sea State Rough Moderate

Water Levels and Tides

Water Level Start Finish
Height (m) 0.74m 0.70m
Time (hh:mm) 07:00 09:05
Tidal influence Yes
Tidal Range Time Height
High 09:13 0.870
Low 16:10 0.280

Observation Documents

Link Date File name Description
26-12-2009 07:00 Photopoint GP.1
26-12-2009 07:00 Photopoint GP.2
26-12-2009 07:00 Photopoint GP.3
26-12-2009 07:00 Photopoint GP.4
26-12-2009 07:00 Photopoint GP.5
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