Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #12136
Date and Time Sunday 10th June 2018 09:33am
Approved Approved

Notes

AHD G6 0.90 @ 09:03      Air pressure 1026.5  N wind very cold

Observations taken from ground level not on top of dune (Gp1)

Dark discharge out around mouth & slightly to east. Sea rough, WSW swell impacting mid & east end of beach. Longshore drift frequently across the mouth with small waves entering & travelling down channel into estuary

Large expanse of sand exposed both on ocean beach & south side of estuary where broken off sea grass extends along the swash line in SW area . Sand high at mid beach with sheer face to top area of beach face

Pair of Peregrine falcons active along cliff above the channel, large no. of Coots west side of estuary. Also small bird noted going into a low hole in the waterside bank at east side of estuary

Mouth Observation

Mouth state Open
Previous O O O O O O O O O O O O O O O O O O O O O O O O P C C C C C C C O O O O C C C C C C C C C O O O O O C O O O O
Flow Present? Yes
Previous N Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y N N N N N N N N Y Y Y Y N N N N N N N N N Y Y Y Y Y N Y Y Y Y
Flow Direction Out
Previous N O O O O O O O O O O O O O O O O O O O O O O O N N N N N N N N O I O O N N N N N N N N N O O O O O N O I O O
Above Sea Above Estuary
Berm Height (m)
Berm Length (m)

Physical Condition

Current Mode
Wind Direction North
Beaufort Scale Gentle breeze
Sea State Rough

Water Levels and Tides

Water Level Start Finish
Height (m) 0.55m 0.55m
Time (hh:mm) 09:33 11:10
Tidal influence Yes
Tidal Range Time Height
High 11:52 0.930
Low 04:00 0.610

Observation Documents

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