Observation #8258 02-05-2013 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#8258
Date and Time	Thursday 2nd May 2013 10:42am
Approved	Approved

Notes

Natural opening (possibly last night) dark discharge out to south & west with a lessor flow to east along foreshore, longshore drift active in this area

Channel wide & shallow, but narrow infront of rocks where the sand build up is visiable

Channel flowing along base of cliff

Beach(Ocean) is wide & slopping -sand build up east mouth has been leveled out

No sign of any fish (dead or alive) in estuary, also birds seen.

Water still visiable in very low areas & drains on flats between Princetown & upstream G5. Extensive waterlogging around G4

AHD at G6 0.81 @ 10:15

Mouth Observation

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

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

Physical Condition

	Current	Mode
Wind Direction	South
Beaufort Scale	Light Breeze
Sea State	Moderate

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.66m	0.62m
Time (hh:mm)	10:42	12:45
Tidal influence	Yes
Tidal Range	Time	Height
High	16:05	0.970
Low	08:22	0.390

Observation Documents

Link	Date	File name	Description
Download	02-05-2013 10:42	Photopoint	Gp1_1
Download	02-05-2013 10:42	Photopoint	Gp1_2
Download	02-05-2013 10:42	Photopoint	Gp1_3
Download	02-05-2013 10:42	Photopoint	Gp1_4
Download	02-05-2013 10:42	Photopoint	Gp1_5