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Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #3621
Date and Time Friday 28th May 2010 09:45am
Approved Approved

Notes

1.Rough sea bringing salt water from mouth along channel past tunnel into the estuary. Waves in all directions at mouth with longshore drift bringing more sand to the mouth and channel upstream of rocks
2..Channel between rocks and tunnel very shallow only slightly deeper between rocks and cliff where it narrows to about 2 m. Water and sand swirling around this area
3.Last hi tide covered about 2/3rds of beach
4.Salt fresh divide at tunnel at 10:05 but had moved well into estuary by 10:45
5.All boards have gone from gate at entrance to tunnel
6.Kestrel over estuary

Mouth Observation

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

Physical Condition

Current Mode
Wind Direction North North-East
Beaufort Scale Fresh breeze Moderate breeze
Sea State Rough Moderate

Water Levels and Tides

Water Level Start Finish
Height (m) 0.56m 0.67m
Time (hh:mm) 09:45 11:05
Tidal influence Yes
Tidal Range Time Height
High 12:39 1.230
Low 20:19 0.660

Observation Documents

Link Date File name Description
28-05-2010 09:45 Photopoint GP.1
28-05-2010 09:45 Photopoint GP.2
28-05-2010 09:45 Photopoint GP.3
28-05-2010 09:45 Photopoint GP.4
28-05-2010 09:45 Photopoint GP.5