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GMC Gellibrand River Estuary Mouth Observation Site

20 April 2012

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
Flow Present? Yes
Previous
Flow Direction In
Previous
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
20-04-2012 08:50 Photopoint Gp.1
20-04-2012 08:50 Photopoint Gp.2
20-04-2012 08:50 Photopoint Gp.3
20-04-2012 08:50 Photopoint Gp.4
20-04-2012 08:50 Photopoint Gp.5
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