Observation #10716 24-09-2016 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#10716
Date and Time	Saturday 24th September 2016 11:10am
Approved	Approved

Notes

very dark discharge out around mouth and pale discharge to east and out to sea

intermittent waves entering mouth

channel has steep sides in 3 stages 1-1.5m above water

beach very wide and sloping (low tide) highest near east end

SW swell continues to impact and erode dunes at east end

waves going over high beach front near E and and travelling along beach in slight depression to west

large area of sand exposed S side of estuary

sandbar nearly completely exposed at low tide

sand along side of low track exposed showing large areas of sea grass

no visible flood waters at G4 (rivernook waterlogged but no visible water)

area upstream still extremely flooded

Mouth Observation

Mouth state	Open
Previous	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 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
Flow Present?	Yes
Previous	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 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
Flow Direction	Out
Previous	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 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

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

Physical Condition

	Current	Mode
Wind Direction	North
Beaufort Scale	Moderate breeze
Sea State	Moderate

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.24m	0.43m
Time (hh:mm)	11:10	12:28
Tidal influence	Yes
Tidal Range	Time	Height
High	13:45	0.840
Low	09:14	0.720

Observation Documents

Link	Date	File name	Description
Download	24-09-2016 11:35	Gp1_20160924_1_212_7944.JPG	gp1_1
Download	24-09-2016 11:35	Gp1_20160924_2_252_7945.JPG	gp1_2
Download	24-09-2016 11:35	Gp1_20160924_3_292_7946.JPG	gp1_3
Download	24-09-2016 11:35	Gp1_20160924_4_332_7947.JPG	gp1_4
Download	24-09-2016 11:35	Gp1_20160924_5_372_7948.JPG	gp1_5