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GMC Gellibrand River Estuary Mouth Observation Site

10 October 2009

Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #2624
Date and Time Saturday 10th October 2009 08:50am
Approved Approved

Notes

1.Strong out flow - dark discharge around mouth & to west, dark water not visiable to east or south
2.Beach 'horseshoe' shape with increased sand projection out to sea at east end
3.Waves have been nearly to foot of dunes -mid beach. Sand build up east side of mouth, increasing with longshore drift
4.Channel about 4-5m at entrance, rocks more exposed but sand building up directly infront (downstream). Water curving around rocks (3-4 m. wide) and through narrow channel near cliff.
5. Very low water level, gate on tunnel well out of the water and sand bars in estuary well exposed
6.AHD board numbers obscured by flood deposit- difficult to read.
7.D.S.T not added

Mouth Observation

Mouth state Open
Previous
Flow Present? Yes
Previous
Flow Direction Out
Previous
Above Sea Above Estuary
Berm Height (m)
Berm Length (m)

Physical Condition

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

Water Levels and Tides

Water Level Start Finish
Height (m) 0.22m 0.20m
Time (hh:mm) 08:45 10:05
Tidal influence No
Tidal Range Time Height
High 12:35 0.750
Low 08:13 0.670

Observation Documents

Link Date File name Description
10-10-2009 08:50 Photopoint GP.1
10-10-2009 08:50 Photopoint GP.2
10-10-2009 08:50 Photopoint GP.3
10-10-2009 08:50 Photopoint GP.4
10-10-2009 08:50 Photopoint GP.5
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