Observation #7842 28-09-2012 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#7842
Date and Time	Friday 28th September 2012 09:30am
Approved	Approved

Notes

1.Small amount of dark discharge only immediately around mouth at 09:55 but by 10:50 none could be seen & salt water was moving up estuary channel
2. Rough sea up to base of dunes (Ocean beach), impacting on sand cliffs mid beach, longshore drift then moving water toward mouth - waves in all directions
3.Sand has built up around rocks at mouth & channel width upstream is reducing
4.Waves constantly entering channet & estuary impacting on dunes (south side estuary) & strongly surging behind reeds on east side
5. Darter 1. seen perching above river near G2.

Mouth Observation

Mouth state	Open
Previous	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 O P O O O P 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 Y Y Y Y Y N Y Y Y N Y Y Y Y Y Y N N N Y N Y Y Y Y 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 O O O O O N O O O N O O O O O I N N N I N I I O I O O O O O O O O O O O O O O O O

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

Physical Condition

	Current	Mode
Wind Direction	North
Beaufort Scale	Fresh breeze
Sea State	Rough

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.81m	0.91m
Time (hh:mm)	09:30	10:50
Tidal influence	Yes
Tidal Range	Time	Height
High	11:32	0.840
Low	05:08	0.470

Observation Documents

Link	Date	File name	Description
Download	28-09-2012 09:30	Photopoint	Gp.1
Download	28-09-2012 09:30	Photopoint	Gp.2
Download	28-09-2012 09:30	Photopoint	Gp.3
Download	28-09-2012 09:30	Photopoint	Gp.4
Download	28-09-2012 09:30	Photopoint	Gp.5