Observation #2485 12-09-2009 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#2485
Date and Time	Saturday 12th September 2009 10:00am
Approved	Approved

Notes

1. Strong dark out flow - east along the beach and also s. & s/w. Dark water out to aprox. 40m., difficult to estimate because of foam. Waves in all directions around mouth.
2. Sand seems to be building up slightly upstream and left of rocks.Circular current in that area, also longshore drift. Waves covering most of beach- lots of rubbish incl. plastic
3.Occasional small wave e.side of channel into estuary
4. Sand projection into estuary extends past 'small rock'.
5.Very strong n. wind driving waves (15 to 30cm.) onto sand at s. side of estuary, foam trails from n. to s.. Sand 'cliffs' opp. tunnel larger.
6.1 Grebe - s.e estuary

Mouth Observation

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

	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	Fresh breeze
Sea State	Rough	Moderate

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.61m	0.66m
Time (hh:mm)	10:05	11:20
Tidal influence	Yes
Tidal Range	Time	Height
High	13:01	0.820
Low	09:20	0.740

Observation Documents

Link	Date	File name	Description
Download	12-09-2009 10:45	Photopoint	GP.1
Download	12-09-2009 10:45	Photopoint	GP.2
Download	12-09-2009 10:45	Photopoint	GP.3
Download	12-09-2009 10:45	Photopoint	GP.4
Download	12-09-2009 10:45	Photopoint	GP.5