Observation #4221 17-08-2010 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#4221
Date and Time	Tuesday 17th August 2010 15:30pm
Approved	Approved

Notes

1. Strong outflow, waves dark brown full length of beach and out about 1K. to sea
2.Waver travelling into estuary over sand bars & around to east gouging out bank.Bank on south side has sheer front of about 2-3m.cut into dunes
3. Flood water has cut 8-10m. high sheer cliff into dunes on east side of channel
4. Mouth is over 60m. wide(no beach) and 7old piles of break water are exposed
5.Flood water has deposited a huge amount of Phragmites on the beach which is now being returned to the estuary because of reducing force and longshore drift from rough seas
6. Flood water reducing from peak(13.08.10) OOR is clear of water
7.Valley flats are still covered by water
8.G4. deck has been totally removed from bridge and several landslips have occured between G4 &G6.

Mouth Observation

Mouth state	Open
Previous	O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O P O O O O O O O O O O O O O O P O O O O O O P O O O O O O O O O O O
Flow Present?	Yes
Previous	Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
Flow Direction	Out
Previous	O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O I O O I O O I O O O O I O I O I O O I O O O O O O

	Above Sea	Above Estuary
Berm Height (m)
Berm Length (m)

Physical Condition

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

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.96m	0.75m
Time (hh:mm)	15:30	17:23
Tidal influence	Yes
Tidal Range	Time	Height
High	13:50	0.910
Low	08:53	0.700

Observation Documents

Link	Date	File name	Description
Download	17-08-2010 15:30	Photopoint	GP.1
Download	17-08-2010 15:30	Photopoint	GP.2
Download	17-08-2010 15:30	Photopoint	GP.3
Download	17-08-2010 15:30	Photopoint	GP.4
Download	17-08-2010 15:30	Photopoint	GP.5
Download	17-08-2010 15:30	Photopoint	GP.6