Observation #10624 10-12-2016 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#10624
Date and Time	Saturday 10th December 2016 09:37am
Approved	Approved

Notes

Reduced outflow out shallow over large sand build up at mouth. Travelling east along foreshore. Long shore drift across mouth

Swash line up high on beach with 1000's+ Velella at all stages of development

Strong wind gusts (8) on 07/12/16 have reshaped the dunes especially next to Gp1 & E end of beach

Steep rise from sea at E end of beach but rocky area has been scoured out (depth to sea about 5 - 8m)

Steep rise in height of sand at E end beach then dips down at mid beach where waves impact then rises even higher close to mouth

More rock falls on west cliff face

Area where channel meets estuary has changed - much wider, large areas of black sand are have been deposited in this area

Only mosquito lava seen in scour holes along low track, but closer to car park small fish were present in confined areas

Pacific gull observed at E end of beach

Mouth Observation

Mouth state	Open
Previous	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 O O O O O O O O O O
Flow Present?	Yes
Previous	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 Y Y Y Y Y Y Y Y Y Y
Flow Direction	Out
Previous	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 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	Gentle breeze
Sea State	Moderate

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.81m	0.86m
Time (hh:mm)	09:37	11:30
Tidal influence	Yes
Tidal Range	Time	Height
High	01:56	0.740
Low	16:44	0.470

Observation Documents

Link	Date	File name	Description
Download	10-12-2016 09:35	Gp1_20161210_1_212_8857.JPG	gp1_1
Download	10-12-2016 09:35	Gp1_20161210_2_252_8858.JPG	gp1_2
Download	10-12-2016 09:35	Gp1_20161210_3_292_8859.JPG	gp1_3
Download	10-12-2016 09:35	Gp1_20161210_4_332_8860.JPG	gp1_4
Download	10-12-2016 09:35	Gp1_20161210_5_372_8861.JPG	gp1_5