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GMC Gellibrand River Estuary Mouth Observation Site

17 October 2009

Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #2663
Date and Time Saturday 17th October 2009 09:40am
Approved Approved

Notes

1.Strong outflow of very dirty water going both east & west - along infront of cliffs west. Discharge east stops at end of beach & turns south for short distance.Dark water can be seen south (about 100m.)
2.Beach still 'horseshoe' shaped but small 'cliffs' building up in center
3.More sand build up from mouth to center of beach,water close to base of dunes but projection at east is rounding off.
Evidence of longshore drift carrying sand into channel behind rocks. Channel has steep banks
4.Senecio elegans flowering in dunes and along cliff.Serious increase of infestation since last year
5.Dead sea bird at east end of beach

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 South West
Beaufort Scale Fresh breeze Fresh breeze
Sea State Moderate Moderate

Water Levels and Tides

Water Level Start Finish
Height (m) 0.44m 0.48m
Time (hh:mm) 09:15 11:15
Tidal influence Yes
Tidal Range Time Height
High 12:23 0.720
Low 07:02 0.440

Observation Documents

Link Date File name Description
17-10-2009 09:40 Photopoint GP.1
17-10-2009 09:40 Photopoint GP.2
17-10-2009 09:40 Photopoint GP.3
17-10-2009 09:40 Photopoint GP.4
17-10-2009 09:40 Photopoint GP.5
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