Observation #4323 31-08-2010 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#4323
Date and Time	Tuesday 31st August 2010 10:20am
Approved	Approved

Notes

1. Very strong but reduced out flow. Dark discharge around mouth and both to east along beach and also to west
2. Fast flow has caused steep bank to 1.5m along east side of channel upstream of rocks
3. Sand has reappeared about 20m from tunnel. Sand bars in middle of estuary have changed shape and position
4.The whole s/e side of the estuary has been modified with sheer sides to dunes reaching up to
2-4m high
5. Large mass of Phragmities and rubbish around mouth and dark 'scum' up to base of dunes along ocean beach
6.Birds Silver gulls 8 - feeding at mouth, Hawks/ Harriers 6 - over wetlands
7.Valley still flooded

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 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 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
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 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 O O O

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

Physical Condition

	Current	Mode
Wind Direction	North	North-West
Beaufort Scale	High wind, moderate gale, near gale	Strong breeze
Sea State	Moderate	Rough

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.38m	0.45m
Time (hh:mm)	10:20	11:15
Tidal influence	Yes
Tidal Range	Time	Height
High	14:02	0.870
Low	08:53	0.580

Observation Documents

Link	Date	File name	Description
Download	31-08-2010 10:20	Photopoint	GP.1
Download	31-08-2010 10:20	Photopoint	GP.2
Download	31-08-2010 10:20	Photopoint	GP.3
Download	31-08-2010 10:20	Photopoint	GP.4
Download	31-08-2010 10:20	Photopoint	GP.5