Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #12368
Date and Time Saturday 1st September 2018 09:55am
Approved Approved

Notes

AHD board unreadable (estimate only) as covered with silt

Dark discharge out around mouth & slightly to east.Very large amount of silt & foam along beach close to entrance, occasional longshore drift across entrance with small waves entering. Beach face at east end is increasing in height & steepness. Depression formed more deeply behind this area dropping down as it goes west

Very large amount of sand exposed on south side of estuary & sand bar partly visible

More extensive erosion on south face of Pt Ronald

Flood water upstream receding but large areas of shallow water remain around G5 where Aponogeton distachos is prolific & flowering

Mouth Observation

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

Physical Condition

Current Mode
Wind Direction South
Beaufort Scale Strong breeze
Sea State Rough

Water Levels and Tides

Water Level Start Finish
Height (m) 0.36m 0.36m
Time (hh:mm) 09:55 11:15
Tidal influence No
Tidal Range Time Height
High 14:41 0.930
Low 08:56 0.520

Observation Documents

Link Date File name Description

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03-09-2018 16:40 Gp1_20180901_1_212_044.JPG gp1_1

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03-09-2018 16:40 Gp1_20180901_2_252_045.JPG gp1_2

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03-09-2018 16:40 Gp1_20180901_3_292_046.JPG gp1_3

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03-09-2018 16:40 Gp1_20180901_4_332_047.JPG gp1_4

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03-09-2018 16:40 Gp1_20180901_5_372_048.JPG gp1_5
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gp1_2
gp1_3
gp1_4
gp1_5
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