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Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #12578
Date and Time Thursday 6th December 2018 07:20am
Approved Approved

Notes

Strong dark discharge through narrow channel cascading down to lower level through rocks & out over a wide shallow  area around entrance travelling to east after a recent release after last hi tide.(High seas & gale force winds on 03-12-18 caused a high sand build up that closed the mouth). Tide mark  on beach indicated extent of last hi tide. Sheer 10-50 cm sides to channel gradually collapsing into fast out flow. Waves from SW swell impacting mid beach & E end. Slight longshore drift across entrance.

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 North-East
Beaufort Scale Gentle breeze
Sea State Moderate

Water Levels and Tides

Water Level Start Finish
Height (m) 1.15m 1.13m
Time (hh:mm) 07:20 09:15
Tidal influence No
Tidal Range Time Height
High 01:07 1.020
Low 08:23 0.550

Observation Documents

Link Date File name Description
08-12-2018 16:40 Gp1_20181206_1_212_033.JPG gp1_1
08-12-2018 16:40 Gp1_20181206_2_252_034.JPG gp1_2
08-12-2018 16:40 Gp1_20181206_3_292_035.JPG gp1_3
08-12-2018 16:40 Gp1_20181206_4_332_036.JPG gp1_4
08-12-2018 16:40 Gp1_20181206_5_372_037.JPG gp1_5