Observation #10715 17-09-2016 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#10715
Date and Time	Saturday 17th September 2016 08:50am
Approved	Approved

Notes

longshore drift active meeting outflow and incoming S/W swell. waves in all directions, backwash along beach rolling sand

extremely fast dark dirty flow around mouth to east west and going out to sea about mid beach

some waves entering over top of out flow and travelling into estuary

2 hooded plovers and 1 young ?

2 surfers on jetskis

2 canoe paddles found east end of beach

more erosion to cliff face

beach very wide

wavs continue to erode east end of beach to sand dunes (height over 2m)

beach much higher about 40 m west and extends out to sea

debris from flood water along beach

channel has 60cm high sheer sides

large deposits of frog spawn in debris at side of channel

Burrupa peaked on 16/9/16

G6 peaked about 12:40 17/9/16

water receding all areas 18/9/16

Mouth Observation

Mouth state	Open
Previous	O O O O O O O O O O O C C C C C C O O O O O O C C O C C O C C C C C O O O O O C C C C C C C C C P C 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 N N N N N N Y Y Y Y Y Y N N N N N N N N N N N Y Y Y Y Y N N N N N N N N N N N 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 N N N N N N O O O O O O N N N N N N N N N N N O O O O O N N N N N N N N N N N O O O I I I O O O O I O O O I

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

Physical Condition

	Current	Mode
Wind Direction	North-West
Beaufort Scale	Fresh breeze
Sea State	Rough

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.91m	1.05m
Time (hh:mm)	08:50	12:50
Tidal influence	Yes
Tidal Range	Time	Height
High	13:04	1.010
Low	06:41	0.380

Observation Documents

Link	Date	File name	Description
Download	17-09-2016 12:10	Gp1_20160917_1_212_7791.JPG	gp1_1
Download	17-09-2016 12:10	Gp1_20160917_2_252_7792.JPG	gp1_2
Download	17-09-2016 12:10	Gp1_20160917_3_292_7793.JPG	gp1_3
Download	17-09-2016 12:10	Gp1_20160917_4_332_7794.JPG	gp1_4
Download	17-09-2016 12:10	Gp1_20160917_5_372_7795.JPG	gp1_5