Observation #3741 18-06-2010 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#3741
Date and Time	Friday 18th June 2010 10:00am
Approved	Approved

Notes

1.Out flow in narrow channel next to cliff at mouth. Waves covering a larger area over sand build up.
Some discharge can be seen around mouth and travelling along the foreshore to east.
2.Small waves are entering the channel and travelling to the estuary.
Waves in all directions at mouth
Whirlpool around and infront of rocks. Longshoredrift is bringing back more sand.
Increased sand build up infront of rocks
3.Sand is visiable in breakers 50m.+ out to sea
4.Beach is wide with gradual slope. Large amount of sand covering rocks at east end.
5.Last hi tide nearly reached dunes in estuary.
6.The river naturally opened a deep channel around 12th June. This resulted on steep banks to 3m. high along channel upstream of rocks which now have been reduced.

Mouth Observation

Mouth state	Open
Previous	C 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 P O O O O O O O O O O O O O O P O O O O O O P
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
Flow Direction	Out
Previous	I 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 O O O O O O O I O O I O O I O O O O I O I

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

Physical Condition

	Current	Mode
Wind Direction	North	West
Beaufort Scale	Strong breeze	Fresh breeze
Sea State	Rough	Moderate

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.70m	0.73m
Time (hh:mm)	09:50	11:45
Tidal influence	Yes
Tidal Range	Time	Height
High	15:23	1.020
Low	08:02	0.440

Observation Documents

Link	Date	File name	Description
Download	18-06-2010 10:14	Photopoint	GP.1
Download	18-06-2010 10:14	Photopoint	GP.2
Download	18-06-2010 10:14	Photopoint	GP.3
Download	18-06-2010 10:14	Photopoint	GP.4
Download	18-06-2010 10:14	Photopoint	GP.5