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GMC Gellibrand River Estuary Mouth Observation Site

20 September 2019

Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #13336
Date and Time Friday 20th September 2019 12:48pm
Approved Approved

Notes

AHD G6 about 2.20    G2 about  0.28 AHD boards covered with silt & debris = estimate only

Dark discharge out around mouth, along foreshore turning out to sea at eastern end of beach. Moderate SW swell impacting east end of beach & longshore drift across entrance -sand has built up higher at mid beach.. Low tide has exposed sand bar in lagoon also decaying vegetation scum covering sea grass along edge of low track. North wind is driving waves into SE corner of lagoon.

Continuing erosion occurring on cliff face

 

 

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-West
Beaufort Scale Fresh breeze
Sea State Moderate

Water Levels and Tides

Water Level Start Finish
Height (m) 0.28m
Time (hh:mm) 12:48 12:55
Tidal influence Yes
Tidal Range Time Height
High 14:12 0.880
Low 08:57 0.500

Observation Documents

Link Date File name Description
21-09-2019 14:15 Gp1_20190920_1_212_0487.JPG gp1_1
21-09-2019 14:15 Gp1_20190920_2_252_0488.JPG gp1_2
21-09-2019 14:15 Gp1_20190920_3_292_0489.JPG gp1_3
21-09-2019 14:15 Gp1_20190920_4_332_0490.JPG gp1_4
21-09-2019 14:15 Gp1_20190920_5_372_0491.JPG gp1_5
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