Observation #11390 12-08-2017 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#11390
Date and Time	Saturday 12th August 2017 12:10pm
Approved	Approved

Notes

Dark discharge mainly around mouth

Waves going high up on beach, entering mouth over wide area. Beach has been levelled out with large amount of sand visible in backwash going out to sea

Overnight storm surge (6-7 m. high waves) has cut into area at start of channel creating a .5m. -1.5 m. high sheer face on dune below Gp1.

Wind in different directions only 4 at Gp1 (sheltered by west cliff) but 6 on beach & eastern part of estuary

Low track is under water but no water on any other road or track apart from some at north side of OOR near flood markers. Water pouring through eastern culvert but more water has built up at side of road near west culvert which remains blocked

Large areas of flooding upstream G4 Turbidity G6 29 NTU'S (east side) 24 NTU's (west side)

Mouth Observation

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

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

Physical Condition

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

Water Levels and Tides

Water Level	Start	Finish
Height (m)	1.02m	1.13m
Time (hh:mm)	12:10	13:40
Tidal influence	Yes
Tidal Range	Time	Height
High	14:43	1.070
Low	08:17	0.440

Observation Documents

Link	Date	File name	Description
Download	12-08-2017 13:10	Gp1_20170812_1_212_1839.JPG	gp1_1
Download	12-08-2017 13:10	Gp1_20170812_2_252_1840.JPG	gp1_2
Download	12-08-2017 13:10	Gp1_20170812_3_292_1841.JPG	gp1_3
Download	12-08-2017 13:10	Gp1_20170812_4_332_1842.JPG	gp1_4
Download	12-08-2017 13:10	Gp1_20170812_5_372_1843.JPG	gp1_5