Observation #4584 16-10-2010 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#4584
Date and Time	Saturday 16th October 2010 08:55am
Approved	Approved

Notes

1.Strong outflow, waves in all directions at mouth, foam & waves up to base of dunes. East end of beach has been scoured out -sheer sand cliffs at least 3m high.
Waves entering estuary - up to 30cm impacting on east side
2. Water level has risen due to recent heavy rain. considerable turbidity (150 at G2)
3. Recent storms have re shaped the formation of the dunes. Higher in some areas, also much covered vegetation
4.large increase of sand east of channel between rocks & tunnel
5. Water level of channel is higher directly upstream of rocks
6.Nine dead & dying Shearwaters. 5 around mouth
+ 4 more further to east along beach
7.Senecio elegans in flower,occuring in new areas along tracks and rock face west of the channel.
Serious trampling is occuring in the dunes because the tracks no longer exist. This will increase spread of Senecio and Euphorbia as well as destroying important indigenous vegetation
8.Many fox prints

Mouth Observation

Mouth state	Open
Previous	O O O O O O O O O O O O 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
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 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

	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	Rough

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.93m	0.80m
Time (hh:mm)	08:55	10:40
Tidal influence	Yes
Tidal Range	Time	Height
High	04:22	0.820
Low	09:37	0.680

Observation Documents

Link	Date	File name	Description
Download	16-10-2010 08:55	Photopoint	GP.1
Download	16-10-2010 08:55	Photopoint	GP.2
Download	16-10-2010 08:55	Photopoint	GP.3
Download	16-10-2010 08:55	Photopoint	GP.4
Download	16-10-2010 08:55	Photopoint	GP.5