Observation #11250 03-06-2017 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#11250
Date and Time	Saturday 3rd June 2017 11:46am
Approved	Approved

Notes

Flow continues to reduce & a few small waves occasionally enter. Dark discharge out along foreshore to about 1/2 way along beach. Strong longshore drift across mouth

Extreme low water levels in estuary/channel again - even lower than on 20170601 G2 AHD 0.19 @ 11:46 G6 1.52 @ 11:30.

Sandbar in estuary is not far away from projecting sand on south side below dunes leaving only a narrow flow channel. Large areas of sand are exposed on east side exposing sea grass partially covered by silt, algae & pale slick

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 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
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 N N Y Y Y N Y Y Y N N N N N Y Y Y Y Y N Y Y
Flow Direction	Out
Previous	O O O I O O 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

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

Physical Condition

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

Water Levels and Tides

Water Level	Start	Finish
Height (m)	0.19m	0.20m
Time (hh:mm)	11:46	13:16
Tidal influence	Yes
Tidal Range	Time	Height
High	17:08	0.910
Low	09:31	0.640

Observation Documents

Link	Date	File name	Description
Download	03-06-2017 12:50	Gp1_20170603_1_212_1363.JPG	gp1_1
Download	03-06-2017 12:50	Gp1_20170603_2_252_1364.JPG	gp1_2
Download	03-06-2017 12:50	Gp1_20170603_3_292_1365.JPG	gp1_3
Download	03-06-2017 12:50	Gp1_20170603_4_332_1366.JPG	gp1_4
Download	03-06-2017 12:50	Gp1_20170603_5_372_1367.JPG	gp1_5