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Observation details


Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #13494
Date and Time Tuesday 7th January 2020 14:35pm
Approved Pending


AHD board @ G6 covered with silt -unreadable

Very pale narrow, shallow outflow curving to east out over high sand build up. Waves & longshore drift impacting across entrance. Large amount of sand visible moving in flow down channel. Sand bar exposed also very large sand area projecting into lagoon south side of lagoon.

Edge of channel directly downstream of rocks has sheer east side

Sand high & projecting out to sea @ mid beach & continuing on to east end. Waves have overtopped beach front in this area & run down shallow channel in sand towards entrance

Mouth Observation

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

Physical Condition

Current Mode
Wind Direction South
Beaufort Scale Gentle breeze
Sea State Moderate

Water Levels and Tides

Water Level Start Finish
Height (m) 0.40m 0.37m
Time (hh:mm) 14:35 15:54
Tidal influence Yes
Tidal Range Time Height
High 03:22 0.820
Low 13:05 0.430

Observation Documents

Link Date File name Description

08-01-2020 15:15 Gp1_20200107_1_212_907.JPG gp1_1

08-01-2020 15:15 Gp1_20200107_2_252_908.JPG gp1_2

08-01-2020 15:15 Gp1_20200107_3_292_909.JPG gp1_3

08-01-2020 15:15 Gp1_20200107_4_332_910.JPG gp1_4

08-01-2020 15:15 Gp1_20200107_5_372_911.JPG gp1_5

08-01-2020 15:15 Gp1_20200107_entrance_913.JPG

08-01-2020 15:15 Ge_20200107_tidal_affect_on_east_side_to_entrance_902_.jpg

08-01-2020 15:15 Ge_20200107_height_of_sand_projection_mid_beach_905.JPG
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