Observation #9745 18-07-2015 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#9745
Date and Time	Saturday 18th July 2015 11:20am
Approved	Approved

Notes

Flow out through wide mouth (heavy rainfall during the week) slight discharge around mouth & to east

Waves entering channel & estuary, flowing upstream at G2 with strong pulsing action causing fluctuation from AHD 0.92 to 0.86 within 60sec. Flow at Lt.1 also going upstream.

Very strong long shore drift across mouth with waves in all directions

High sand build up at mid beach is being eroded by long shore drift & ssw / sw swell

large no. cuttlefish in swash lines

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 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
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 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
Flow Direction	Out
Previous	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 O I N O O O N O O O O O O I O I O

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

Physical Condition

	Current	Mode
Wind Direction	South
Beaufort Scale	Gentle breeze
Sea State	Rough

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.76m	0.92m
Time (hh:mm)	11:20	12:55
Tidal influence	Yes
Tidal Range	Time	Height
High	13:53	1.210
Low	06:49	0.360

Observation Documents

Link	Date	File name	Description
Download	18-07-2015 11:20	Photopoint	Gp1_1
Download	18-07-2015 11:20	Photopoint	Gp1_2
Download	18-07-2015 11:20	Photopoint	Gp1_3
Download	18-07-2015 11:20	Photopoint	Gp1_4
Download	18-07-2015 11:20	Photopoint	Gp1_5