Observation #12759 09-03-2019 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#12759
Date and Time	Saturday 9th March 2019 10:15am
Approved	Approved

Notes

AHD G6 1.46 @10:00

Mouth closed but waves had been over berm & up into the estuary at last hi tide ( 0.91 @ 03:00) Sand deep & loose at entrance. Slight longshore drift across entrance mixing with incoming waves creating backwash running in a N/ S direction. Berm gradually slopes down to sea- slightly higher near location of rocks

ARTIFICIAL OPENING COMPLETED 15:30 after which some fish were observed late at night swimming upstream against the current

Mouth Observation

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

	Above Sea	Above Estuary
Berm Height (m)		0.3m
Berm Length (m)	74.0m

Physical Condition

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

Water Levels and Tides

Water Level	Start	Finish
Height (m)	1.51m	1.51m
Time (hh:mm)	10:15	16:30
Tidal influence	No
Tidal Range	Time	Height
High	15:01	0.910
Low	09:13	0.370

Observation Documents

Link	Date	File name	Description
Download	12-03-2019 08:55	Gp1_20190309_1_212_018.JPG	gp1_1
Download	12-03-2019 08:55	Gp1_20190309_2_252_019.JPG	gp1_2
Download	12-03-2019 08:55	Gp1_20190309_3_292_020.JPG	gp1_3
Download	12-03-2019 08:55	Gp1_20190309_4_233_021.JPG	gp1_4
Download	12-03-2019 08:55	Gp1_20190309_5_372_022.JPG	gp1_5