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GMC Gellibrand River Estuary Mouth Observation Site

9 March 2019

Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #12759
Date and Time Saturday 9th March 2019 10:15am
Approved Approved

Notes

AHD G6  1.46 @10:00

Mouth closed but waves had been over berm & up into the estuary at last hi tide      ( 0.91 @ 03:00) Sand deep & loose at entrance. Slight longshore drift across entrance mixing with incoming waves creating backwash running in a N/ S direction. Berm gradually slopes down to sea- slightly higher near location of rocks

ARTIFICIAL OPENING COMPLETED 15:30  after which some fish were observed late at night swimming upstream against the current

Mouth Observation

Mouth state Closed
Previous
Flow Present? No
Previous
Flow Direction N/A
Previous
Above Sea Above Estuary
Berm Height (m) 0.3m
Berm Length (m) 74.0m

Physical Condition

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

Water Levels and Tides

Water Level Start Finish
Height (m) 1.51m 1.51m
Time (hh:mm) 10:15 16:30
Tidal influence No
Tidal Range Time Height
High 15:01 0.910
Low 09:13 0.370

Observation Documents

Link Date File name Description
12-03-2019 08:55 Gp1_20190309_1_212_018.JPG gp1_1
12-03-2019 08:55 Gp1_20190309_2_252_019.JPG gp1_2
12-03-2019 08:55 Gp1_20190309_3_292_020.JPG gp1_3
12-03-2019 08:55 Gp1_20190309_4_233_021.JPG gp1_4
12-03-2019 08:55 Gp1_20190309_5_372_022.JPG gp1_5
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