Observation #8898 30-05-2014 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#8898
Date and Time	Friday 30th May 2014 10:30am
Approved	Approved

Notes

Waves entering channel across a wide area

Waves in all directions at mouth-strong longshore drift across mouth & into channel upstream rocks

Dark silt in swash line (also many Squid carapaces) along ocean beach & around mouth

Last hi tide well up on beach & in estuary

Sand highest near mouth but several depressed channels running back to the sea have occurred

Longshore drift in both directions at east end of beach

By 12:15 green water had moved up channel to near tunnel entrance

Wide fluctuations on AHD board noted over 5 min. period

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 O O O O O O O C C C P C C 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 N N N Y N N Y Y Y Y
Flow Direction	In
Previous	O I O O I 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 N N N I N N O O I O

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

Physical Condition

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

Water Levels and Tides

Water Level	Start	Finish
Height (m)		0.79m
Time (hh:mm)	10:30	12:50
Tidal influence	Yes
Tidal Range	Time	Height
High	13:30	1.240
Low	06:07	0.320

Observation Documents

Link	Date	File name	Description
Download	30-05-2014 10:30	Photopoint	Go1_3
Download	30-05-2014 10:30	Photopoint	Gp1_1
Download	30-05-2014 10:30	Photopoint	Gp1_2
Download	30-05-2014 10:30	Photopoint	Gp1_4
Download	30-05-2014 10:30	Photopoint	Gp1_5