Observation #2624 10-10-2009 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#2624
Date and Time	Saturday 10th October 2009 08:50am
Approved	Approved

Notes

1.Strong out flow - dark discharge around mouth & to west, dark water not visiable to east or south
2.Beach 'horseshoe' shape with increased sand projection out to sea at east end
3.Waves have been nearly to foot of dunes -mid beach. Sand build up east side of mouth, increasing with longshore drift
4.Channel about 4-5m at entrance, rocks more exposed but sand building up directly infront (downstream). Water curving around rocks (3-4 m. wide) and through narrow channel near cliff.
5. Very low water level, gate on tunnel well out of the water and sand bars in estuary well exposed
6.AHD board numbers obscured by flood deposit- difficult to read.
7.D.S.T not added

Mouth Observation

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

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

Physical Condition

	Current	Mode
Wind Direction	East	South
Beaufort Scale	Gentle breeze	Fresh breeze
Sea State	Moderate	Moderate

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.22m	0.20m
Time (hh:mm)	08:45	10:05
Tidal influence	No
Tidal Range	Time	Height
High	12:35	0.750
Low	08:13	0.670

Observation Documents

Link	Date	File name	Description
Download	10-10-2009 08:50	Photopoint	GP.1
Download	10-10-2009 08:50	Photopoint	GP.2
Download	10-10-2009 08:50	Photopoint	GP.3
Download	10-10-2009 08:50	Photopoint	GP.4
Download	10-10-2009 08:50	Photopoint	GP.5