Observation #10230 29-03-2016 | GMC: Gellibrand River Estuary Mouth Observation Site

CAUTION: This observation has not yet been reviewed by an EstuaryWatch coordinator.

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#10230
Date and Time	Tuesday 29th March 2016 10:15am
Approved	Pending

Notes

Narrow shallow flow along channel, between rocks & out over high sand build up. Channel very shallow from start (close to tunnel)

Sheer 0.40m. side to channel close to rocks

Previous high area of beach front east of outflow has been greatly reduced by waves from rough seas

Waves have been high up to sand dunes on beach and around into estuary. Seaweed clumps all along beach and estuary extending along low track to near car park

Sea rough, sand visible in breakers out from mouth.

Strong longshore drift crossing over outflow & meeting SW swell resulting in waves in all directions in front of rocks

Dark swash line along beach intensifying at east end.

Low tide, possible to walk around to 2nd. beach(east) where large areas of cliff erosion & areas of deeply scoured sand have occurred. 2 Hooded Plovers in this area feeding along swash line

16 Silver gulls, 6 Terns on Princetown beach also 2 Pelicans on sand bar in estuary

Mouth Observation

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

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

Physical Condition

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

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.60m	0.58m
Time (hh:mm)	00:15	12:25
Tidal influence	Yes
Tidal Range	Time	Height
High	16:20	1.030
Low	09:29	0.270

Observation Documents

Link	Date	File name	Description
Download	29-03-2016 10:15	Photopoint	Gp1_1
Download	29-03-2016 10:15	Photopoint	Gp1_2
Download	29-03-2016 10:15	Photopoint	Gp1_3
Download	29-03-2016 10:15	Photopoint	Gp1_4
Download	29-03-2016 10:15	Photopoint	Gp1_5