Observation #11362 21-07-2017 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#11362
Date and Time	Friday 21st July 2017 11:26am
Approved	Approved

Notes

Dark discharge around mouth,slightly along beach face to east, but more going to west in front of cliff face. Waves from WSW swell & longshore drift entering over top of strong outflow. Large amount of sediment/sand in discharge (turbidity 70 NTU's upstream) Water in estuary opaque & pale brown. Large amount of debris washed up on south side of estuary

Beach front has changed- high sand area mid beach has been eroded by wave action. Mid beach down to entrance are now lower & sand projection out to sea formed not far from east end

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 P O P C C O O O O O O O C O C C C O O O O O C 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 Y Y Y Y N N Y Y Y N Y Y Y N N N N N Y Y Y Y Y N Y Y Y N 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 I I O O O I O I N N O O I N O O O N N N N N O O O O O N O O O N O O O O

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

Physical Condition

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

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.86m	0.85m
Time (hh:mm)	11:26	12:55
Tidal influence	Yes
Tidal Range	Time	Height
High	12:29	1.130
Low	02:18	0.480

Observation Documents

Link	Date	File name	Description
Download	21-07-2017 12:25	Gp1_20170721_1_212_1686.JPG	gp1_1
Download	21-07-2017 12:25	Gp1_20170721_2_252_1687.JPG	gp1_1
Download	21-07-2017 12:25	Gp1_20170721_3_292_1688.JPG	gp1_3
Download	21-07-2017 12:25	Gp1_20170721_4_3332_1689.JPG	gp1_4
Download	21-07-2017 12:25	Gp1_20170721_5_372_1690.JPG	gp1_5