Observation #12072 18-05-2018 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#12072
Date and Time	Friday 18th May 2018 11:05am
Approved	Approved

Notes

Very rough sea entering across wide area, waves going up channel over a high sand build up from mid channel into estuary.(Wave action visible at G2). The sand build up extends into the estuary under shallow water cover. Only salt water entering, slightly darker water east of start of channel near tunnel entrance indicates some mixing taking place. Occasional waves going high up on beach. Waves in all directions along beach (sand spit remains) with longshore drift crossing mouth. Beach still highest just east of mouth

Very high & low tides with waves 3.7- 4.6 high Swell duration 16-15 secs.

Mouth Observation

Mouth state	Open
Previous	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 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
Flow Present?	Yes
Previous	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 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
Flow Direction	In
Previous	N O O O N O O O O O O O O O O O O O O O O O O O O O O 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

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

Physical Condition

	Current	Mode
Wind Direction	South
Beaufort Scale	Fresh breeze
Sea State	Very Rough

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.62m	0.85m
Time (hh:mm)	09:55	12:00
Tidal influence	Yes
Tidal Range	Time	Height
High	14:18	1.270
Low	06:39	0.270

Observation Documents

Link	Date	File name	Description
Download	19-05-2018 08:05	Gp1_20180518_1_212015.JPG	gp1_1
Download	19-05-2018 08:05	Gp1_20180518_2_252016.JPG	gp1_2
Download	19-05-2018 08:05	Gp1_20180518_3_292_017.JPG	gp1_3
Download	19-05-2018 08:05	Gp1_20180518_4_332_018.JPG	gp1_4
Download	19-05-2018 08:05	Gp1_20180518_5_372_019.JPG	gp1_5