Observation #9747 26-07-2015 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#9747
Date and Time	Sunday 26th July 2015 10:18am
Approved	Approved

Notes

Near Gale force winds & high sea driving waves over sand build up, covering area across from the mouth to sand dunes -only salt return back down narrow channel

Very strong longshore drift across mouth. Waves in all directions around rocks & continuing strongly down channel into estuary, large areas of foam swirling

Waves up to base of dunes at east end of beach removing more vegetation, former sand projection into ocean (mid beach) has been completely removed & beach flattened out.

Near gale winds from S.E. at Gp1, S. slightly further east, & S.W. closer to east end of beach

Air temp 5-7C. & 5cm. hail in some areas (covering G.O.R near Lower Gellibrand)

Rainfall 44.5ml since 24th July.( G6 AHD 2.05)

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

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

Physical Condition

	Current	Mode
Wind Direction	South-East
Beaufort Scale	High wind, moderate gale, near gale
Sea State	High

Water Levels and Tides

Water Level	Start	Finish
Height (m)	1.22m	1.20m
Time (hh:mm)	10:18	11:58
Tidal influence	No
Tidal Range	Time	Height
High	14:16	0.890
Low	23:38	0.520

Observation Documents

Link	Date	File name	Description
Download	26-07-2015 10:18	Photopoint	Gp1_1
Download	26-07-2015 10:18	Photopoint	Gp1_2
Download	26-07-2015 10:18	Photopoint	Gp1_3
Download	26-07-2015 10:18	Photopoint	Gp1_4
Download	26-07-2015 10:18	Photopoint	Gp1_5