Observation #2421 29-08-2009 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#2421
Date and Time	Saturday 29th August 2009 11:10am
Approved	Approved

Notes

1.Very strong outflow of dark brown water to s, s.w and e. Difficult to estimate because of foam & white water
2.Rocks at east end beach exposed, sand along beach graduslly sloping back to ocean.Waves carrying a lot of sand
3.Waves in all directions at mouth with stronger longshore drift today. Whirlpool on east side of rocks,occasional small wave down east side of channel into estuary
4.Sand build up east side of mouth may be reducing
5.Water receeding - low track can be used, lot of debris high in the dunes surrounding the estuary
6. 1 Tern on s. side of estuary.
7.No water over O.O.R. between kangaroobie and G.O.R. but greatly increased water levels above G4. where the water is flowing between the bearer and deck of bridge

Mouth Observation

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

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

Physical Condition

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

Water Levels and Tides

Water Level	Start	Finish
Height (m)	1.08m	1.10m
Time (hh:mm)	11:10	12:45
Tidal influence	Yes
Tidal Range	Time	Height
High	13:27	0.870
Low	09:09	0.780

Observation Documents

Link	Date	File name	Description
Download	29-08-2009 11:10	Photopoint
Download	29-08-2009 11:10	Photopoint
Download	29-08-2009 11:10	Photopoint	GP.1
Download	29-08-2009 11:10	Photopoint	GP.3
Download	29-08-2009 11:10	Photopoint	GP.5