Observation #2913 11-12-2009 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#2913
Date and Time	Friday 11th December 2009 09:25am
Approved	Approved

Notes

1. Greatly reduced outflow, slight pale discharge around mouth, large amount of sand visiable in rough water
2. Large sand build up at mouth. Channel between rocks and entrance now only 10 -50cm.deep
Width between rocks and cliff 2m.
3.High sand build up mid beach, longshore drift bringing more sand into channel.Area behind rocks has more sand
4.Water level in estuary higher.Wide variety of coloured seaweed at high tide mark
5.Gladiolus undulatus flowering along low track to beach

Mouth Observation

Mouth state	Open
Previous	C O O O O O O O O C C C C C C C C C O C O O O O O O P O O O O P P P C P P O O O O P P O O O O O O 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
Flow Present?	Yes
Previous	N Y Y Y Y Y Y Y Y Y N N N N N N N N Y N Y Y Y Y Y Y Y Y Y Y Y Y Y Y N 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	N I O O O O O O O I N N N N N N N N O N O O O O O O I O O O O O I N I I O O O I I O O O O I I O 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

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

Physical Condition

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

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.86m	0.87m
Time (hh:mm)	09:25	10:35
Tidal influence	Yes
Tidal Range	Time	Height
High	04:10	0.750
Low	12:32	0.360

Observation Documents

Link	Date	File name	Description
Download	11-12-2009 09:25	Photopoint	GP.1
Download	11-12-2009 09:25	Photopoint	GP.2
Download	11-12-2009 09:25	Photopoint	GP.3
Download	11-12-2009 09:25	Photopoint	GP.4
Download	11-12-2009 09:25	Photopoint	GP.5