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GMC Gellibrand River Estuary Mouth Observation Site

13 December 2019

Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #13453
Date and Time Friday 13th December 2019 12:14pm
Approved Approved

Notes

AHD G2 0.50    AHD G6  1.00 @  11:45

Outflow reducing - dark discharge only around entrance & south out to sea. Sand has built up in channel & at mouth. As a result of wave impact & recent short time swell times the beach has dramatically changed with very high /wide build up of sand projecting a long way out to sea from about 50m from entrance to east end.This build up has high front to sea & a large depression behind the front extending towards dunes. South west swell is impacting on start of projection & causing some longshore drift back to west across the mouth. The beach from the start of the projection to mouth is lower & has formed a bay

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 Moderate breeze
Sea State Moderate

Water Levels and Tides

Water Level Start Finish
Height (m) 0.50m 0.48m
Time (hh:mm) 12:14 14:01
Tidal influence Yes
Tidal Range Time Height
High 12:04 0.640
Low 19:07 0.230

Observation Documents

Link Date File name Description
15-12-2019 07:50 Gp1_20191213_1_212_829.JPG gp1_1
15-12-2019 07:50 Gp1_20191213_2_252_830.JPG gp1_2
15-12-2019 07:50 Gp1_20191213_3_292_831.JPG gp1_3
15-12-2019 07:50 Gp1_20191213_4_332_832.JPG gp1_4
15-12-2019 07:50 Gp1_20191213_5_372_833.JPG gp1_5
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