Observation #4943 07-01-2011 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#4943
Date and Time	Friday 7th January 2011 08:25am
Approved	Approved

Notes

1. very reduced outflow, dark colour only around mouth
2. Channel near rocks has 30cm. steep sides - possibly caused by increase water release overnight
3.Water flowing mainly between rocks and cliff but also through a small gap between rocks
4.Water very reddish brown in colour
5.There have been very low tides and slight seas during the week.
6.Large sloping area of beach exposed. Also rocks at both ends
7.Caddis fly lavae (7) found about 100m from mouth in sheltered curve of east side of channel
8. Sea grass in estuary reduced and very small
9.Hooded plover still nesting but surrounded by fox,dog & human foot prints

Mouth Observation

Mouth state	Open
Previous	O O O O O P O O O O O O O O O O O O O O P O O O O O O P 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 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 Y Y Y Y Y Y Y Y
Flow Direction	Out
Previous	O O O O O O O O O O O O O O I O O I O O I O O O O I O I O I O 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	North-East
Beaufort Scale	Fresh breeze
Sea State	Slight

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.39m	0.34m
Time (hh:mm)	08:25	10:30
Tidal influence	Yes
Tidal Range	Time	Height
High	14:05	0.660
Low	09:21	0.440

Observation Documents

Link	Date	File name	Description
Download	07-01-2011 08:25	Photopoint	Gp.1
Download	07-01-2011 08:25	Photopoint	Gp.2
Download	07-01-2011 08:25	Photopoint	Gp.3
Download	07-01-2011 08:25	Photopoint	Gp.4
Download	07-01-2011 08:25	Photopoint	Gp.5