Observation #10750 20-01-2017 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#10750
Date and Time	Friday 20th January 2017 11:07am
Approved	Approved

Notes

Pale discharge out along beach face to east. Entrance very shallow & channel narrow with sheer side to channel close to rocks, water only between rock & cliff. More sand around rocks & side of cliff downstream of rocks (entrance). Long shore drift across mouth. Dark silt in swash line

Sand height increasing at east end of beach

Very strong south wind blowing large amount of sand along side channel into estuary, but despite this waves in estuary are travelling to S/E corner of estuary. Waves flattened by strong gusts from south

Unusually high number of Silver Gulls around wetlands , estuary & beach

Mouth Observation

Mouth state	Open
Previous	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 O O O O O O O
Flow Present?	Yes
Previous	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 Y Y Y Y Y Y Y
Flow Direction	Out
Previous	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 O O O O O I I

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

Physical Condition

	Current	Mode
Wind Direction	South
Beaufort Scale	Fresh breeze
Sea State	Moderate

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.58m	0.56m
Time (hh:mm)	11:07	12:40
Tidal influence	Yes
Tidal Range	Time	Height
High	11:28	0.340
Low	04:37	0.900

Observation Documents

Link	Date	File name	Description
Download	20-01-2017 10:50		gp1_1
Download	20-01-2017 10:50		gp1_2
Download	20-01-2017 10:50		gp1_3
Download	20-01-2017 10:50		gp1_4
Download	20-01-2017 10:50	Gp1_20170120_5_372_9138.JPG	gp1_5