Observation #4884 24-12-2010 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#4884
Date and Time	Friday 24th December 2010 08:20am
Approved	Approved

Notes

1.dark reddish brown discharge only around mouth, sand visiable in breakers out to sea
2.Sand increase at mouth and along channel - closer to rocks but flow still on both sides. Longshore drift bringing in more sand
3.Waves entering channel & travelling to estuary
4.Hi tide has been up to base of dunes, lots of dark foam along beach
5.Sand on ocean beach building up about 1/3rd way from mouth - gradual slope in other areas
6. Strange unidentifed marine object found on hi tide mark, also 'bluebottles' and small objects with 'sails'
7.Hooded Plover seen exhibiting nesting behaviour at eastern end of beach - many fox and human prints in that area
8.Many crows around estuary, silver gulls 8.on beach
Small fish (15cm) east side of estuary

Mouth Observation

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

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

Physical Condition

	Current	Mode
Wind Direction	South
Beaufort Scale	Gentle breeze
Sea State	Moderate

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.52m	0.42m
Time (hh:mm)	08:20	10:50
Tidal influence	Yes
Tidal Range	Time	Height
High	14:20	0.620
Low	10:36	0.490

Observation Documents

Link	Date	File name	Description
Download	24-12-2010 08:20	Photopoint	Gp.1
Download	24-12-2010 08:20	Photopoint	Gp.2
Download	24-12-2010 08:20	Photopoint	Gp.3
Download	24-12-2010 08:20	Photopoint	Gp.4
Download	24-12-2010 08:20	Photopoint	Gp.5