Observation #9508 10-04-2015 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#9508
Date and Time	Friday 10th April 2015 09:30am
Approved	Approved

Notes

Flow out over shallow area, some discharge visible around mouth & slightly to east

Occasional waves entering

Large amount of sand has built up around mouth & upstream of rocks

Steep(to 40cm.) high sheer face to east side of channel about 8m. from waters edge

Beach- horseshoe shaped with steep slope to ocean

Slight longshore drift toward mouth but much stronger at east end of beach

Sand bar well exposed ( very low water level)

Large areas of seagrass becoming exposed, some covered by rotting algae especially in area near recent Phragmities establishment

Very large no. millipedes throughout the area

Mouth Observation

Mouth state	Open
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 O O O O O O O O C C C C O O P C C O O O C C C C C C 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 N N N N Y Y Y N N Y Y Y N N N N N N Y Y
Flow Direction	Out
Previous	O O I O I I O I O O O O O O I O O O O O O O O O O O O O O O O O N N N N O O I N N O I O N N N N N N O O

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

Physical Condition

	Current	Mode
Wind Direction	South-East
Beaufort Scale	Light Breeze
Sea State	Moderate

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.44m	0.42m
Time (hh:mm)	09:30	11:00
Tidal influence	Yes
Tidal Range	Time	Height
High	15:30	1.050
Low	08:19	0.260

Observation Documents

Link	Date	File name	Description
Download	10-04-2015 09:30	Photopoint	Gp1_1
Download	10-04-2015 09:30	Photopoint	Gp1_2
Download	10-04-2015 09:30	Photopoint	Gp1_3
Download	10-04-2015 09:30	Photopoint	Gp1_4
Download	10-04-2015 09:30	Photopoint	Gp1_5