Observation #5331 25-03-2011 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#5331
Date and Time	Friday 25th March 2011 09:15am
Approved	Approved

Notes

1.Out flow between rocks & cliff face, channel 3-4m wide, cascade over submerged rocks with a drop of about 1m.
2.Channel has moved left and along shoreline.
3.Sand build up against cliff uncovered
4. Increasing flow from recent rain is flushing channel Steep sides( to 1m.) are collapsing into flow
5.Sandbar in estuary is under water & water is up to the base of the dunes on eastside of channel & estuary
6. Last hi tide reached to near base of sand dunes on ocean beach. Longshore drift and wind are bringing more sand back into the channel upstream of rocks.
7. It was noted that a few days after the full moon large schools (2m wide by 1m deep) of small blue grey( 8cm) fish were swimming upstream

Mouth Observation

Mouth state	Open
Previous	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 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
Flow Direction	Out
Previous	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 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
Beaufort Scale	High wind, moderate gale, near gale
Sea State	Moderate

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.76m	0.70m
Time (hh:mm)	09:15	10:36
Tidal influence	Yes
Tidal Range	Time	Height
High	16:12	1.000
Low	08:48	0.050

Observation Documents

Link	Date	File name	Description
Download	25-03-2011 09:15	Photopoint	Gp.1
Download	25-03-2011 09:15	Photopoint	Gp.2
Download	25-03-2011 09:15	Photopoint	Gp.3
Download	25-03-2011 09:15	Photopoint	Gp.4
Download	25-03-2011 09:15	Photopoint	Gp.5