Observation #3041 15-01-2010 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#3041
Date and Time	Friday 15th January 2010 10:45am
Approved	Approved

Notes

1.Very pale shallow discharge flowing out over sand build up at mouth (sand extends along channel from mouth to about 1/2 way to tunnel & has increased from last week)
2. Discharge only immediately around mouth. Some waves entering mouth and travelling into estuary
3.Steep front to beach and rocks at eastern end exposed
4.Strong south wind has cleared algae/scum from s/e side and taken it downstream. There is still a lot floating below the surface throughout the estuary and upstream
5.Estuary perch around 25cm are being caught in estuary (possibly due to extremely low water levels upstream) also Bream (30cm) and Trevally. Not as many mullet and most fish are small in size.
There are a large no. of juvenille fish in the sea grass and all along the edge of the estuary and channel

Mouth Observation

Mouth state	Open
Previous	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 O O O O O O
Flow Present?	Yes
Previous	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 Y Y Y Y Y Y
Flow Direction	Out
Previous	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 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	Fresh breeze	Moderate breeze
Sea State	Moderate	Moderate

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.43m	0.45m
Time (hh:mm)	10:45	12:05
Tidal influence	Yes
Tidal Range	Time	Height
High	12:51	0.530
Low	09:31	0.460

Observation Documents

Link	Date	File name	Description
Download	15-01-2010 10:45	Photopoint	GP.1
Download	15-01-2010 10:45	Photopoint	GP.2
Download	15-01-2010 10:45	Photopoint	GP.3
Download	15-01-2010 10:45	Photopoint	GP.4
Download	15-01-2010 10:45	Photopoint	GP.5