Observation #12620 03-01-2019 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#12620
Date and Time	Thursday 3rd January 2019 09:30am
Approved	Approved

Notes

No discharge from river only salt water intermittently entering & returning from incoming rough sea. High sand build up at entrance & along channel. Longshore drift, backwash & incoming sw swell meeting returning salt water at entrance. Last hi tide well up on beach

Flow reducing AHD @ G6 about 0.90 (board covered with silt)

More sand has been removed from the east end of beach but area is still high from there to about 50m from entrance

Large no. small fish in shallow water along S & SE side of estuary. Low track has only partial water cover & no water on top track

Mouth Observation

Mouth state	Closed
Previous	O P C C C C C C C O O O O C C C C C C C C C O O O O O C O O O O O O O O O O O O O O O O O O O O O C O O O O
Flow Present?	No
Previous	Y N N N N N N N N Y Y Y Y N N N N N N N N N Y Y Y Y Y N Y Y Y Y Y Y Y Y Y Y Y N Y Y Y Y Y Y Y Y Y N Y Y Y Y
Flow Direction	N/A
Previous	O N N N N N N N N O I O O N N N N N N N N N O O O O O N O I O O O I O O I O O N O I O O O O O O O N O O O O

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

Physical Condition

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

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.93m	0.94m
Time (hh:mm)	09:30	11:20
Tidal influence	Yes
Tidal Range	Time	Height
High	12:59	0.940
Low	16:33	0.320

Observation Documents

Link	Date	File name	Description
Download	04-01-2019 11:47	Gp1_20190103_1_212_036.JPG	gp1_1
Download	04-01-2019 11:47	Gp1_20190103_2_252_037.JPG	gp1_2
Download	04-01-2019 11:47	Gp1_20190103_3_292_038.JPG	gp1_3
Download	04-01-2019 11:47	Gp1_20190103_4_332_039.JPG	gp1_4
Download	04-01-2019 11:47	Gp1_20190103_5_372_040.JPG	gp1_5