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GMC Gellibrand River Estuary Mouth Observation Site

6 November 2017

Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #11573
Date and Time Monday 6th November 2017 09:59am
Approved Approved

Notes

Dark discharge out & along beach front to east. Flow reducing less rainfall & less discharge from flats as nearly drained- except around G5 where Cape pond weed is prolific.

Large rock fall has occurred from directly above the existing 2 rocks across the channel & deposited a third one almost in line in the area of main flow closest to cliff face

Recent storms & very rough / high seas have reshaped the beach & brought more sand to entrance & channel. Sand clearly seen under water D/S rocks & channel more narrow. Sand bar in estuary is visible & a large area of sand extends from south side of estuary north into the estuary. Large areas of debris from storm surge piled up along the south east side of the estuary. Green algae is covering some veg. alongside area of low track - also silt laden seagrass is uncovered

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 South
Beaufort Scale Fresh breeze
Sea State Moderate

Water Levels and Tides

Water Level Start Finish
Height (m) 0.47m 0.46m
Time (hh:mm) 09:59 11:35
Tidal influence Yes
Tidal Range Time Height
High 13:27 0.700
Low 09:08 0.500

Observation Documents

Link Date File name Description
08-11-2017 10:20 Gp1_20171106_1_212_9669.JPG gp1_1
08-11-2017 10:20 Gp1_20171106_2_252_9670.JPG gp1_2
08-11-2017 10:20 Gp1_20171106_3_292_9671.JPG gp1_3
08-11-2017 10:20 Gp1_20171106_4_332_9672.JPG gp1_4
08-11-2017 10:20 Gp1_20171106_5_372_9673.JPG gp1_5
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