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Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #12447
Date and Time Monday 15th October 2018 09:36am
Approved Approved

Notes

AHD G6 0.95 @ 09:15  AHD board difficult to read because of silt.

Observations made at low tide. Extremely pale discharge out around mouth over large sand build up - also sand building up in channel. Reduced flow only passing through very narrow gap between 1st & 2nd rock and a larger area over rapids between 2nd. & 3rd rock. Some water passing between 3rd. rock & cliff base

Sand on south side of estuary extending north into estuary.  North wind driven waves (gusts much stronger than 4 ) have cut sheer side to the projection. Sand bar also exposed.  The east side of the channel south of rocks also has sheer side -possibly  resulting from tidal action

               

 

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-East
Beaufort Scale Moderate breeze
Sea State Moderate

Water Levels and Tides

Water Level Start Finish
Height (m) 0.42m 0.40m
Time (hh:mm) 09:36 10:50
Tidal influence Yes
Tidal Range Time Height
High 04:07 1.060
Low 10:17 0.590

Observation Documents

Link Date File name Description
18-10-2018 12:00 Gp1_20181015_1_212_020.JPG gp1_1
18-10-2018 12:00 Gp1_20181015_2_252_021.JPG gp1_2
18-10-2018 12:00 Gp1_20181015_3_292_022.JPG gp1_3
18-10-2018 12:00 Gp1_20181015_4_332_023.JPG gp1_4
18-10-2018 12:00 Gp1_20181015_5_372_024.JPG gp1_5