Observation #7082 20-04-2012 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#7082
Date and Time	Friday 20th April 2012 08:50am
Approved	Approved

Notes

1.Artificial opening 13/04/12
2.Mouth open -salt/waves entering channel & estuary. (water about 20m across mouth at times) Some salt return along a narrow 4-5m wide/shallow channel against rocks
3.Salt water visiable in channel -up to half way between mouth & tunnel
4.Sheer sided bank to channel reaching 1.50m at mouth (from artificial opening)
5.Sea rough -waves hi up on beach & in all directions at mouth -longshore drift bringing back more sand.
6.Beach gradual slope but rises much higher near mouth
4

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 O O O O O O O O O O O O O O O O O C O O O C O O O O O P P P C
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 Y Y Y Y Y Y Y Y Y Y Y Y Y Y N Y Y Y N Y Y Y Y Y Y N N N
Flow Direction	In
Previous	O O I O I O I O I 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 O N O O O N O O O O O I N N N

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

Physical Condition

	Current	Mode
Wind Direction	East
Beaufort Scale	Light Air
Sea State	Rough

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.70m	0.73m
Time (hh:mm)	08:40	10:40
Tidal influence	Yes
Tidal Range	Time	Height
High	12:11	1.000
Low	05:31	0.380

Observation Documents

Link	Date	File name	Description
Download	20-04-2012 08:50	Photopoint	Gp.1
Download	20-04-2012 08:50	Photopoint	Gp.2
Download	20-04-2012 08:50	Photopoint	Gp.3
Download	20-04-2012 08:50	Photopoint	Gp.4
Download	20-04-2012 08:50	Photopoint	Gp.5