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GMC Gellibrand River Estuary Mouth Observation Site

22 January 2010

Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #3061
Date and Time Friday 22nd January 2010 07:20am
Approved Approved

Notes

1.Rainfall ( G60 = 14.5 ml/ 16th.&17th) possibly more in catchment, has improved flow slightly.
2.Shallow flow out over sand at mouth, discharge around mouth and slightly south.
Small fish entering estuary. Large no. small fish all around estuary and in sea grass beds
Steep front to beach.
3.Very still day. Algae forming in river and estuary. Patches about 10-20cm floating below surface.
Green line forming along edge up to tunnel. 'Skin' forming on still water.
4.Hooded plover on beach (4) also observed on 20th.
Huge no of swallows. possibly some Tree martins as well
5.Phragmities increasing on south side of estuary
6.Dead penguin on beach (20.01.10)

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 South-West
Beaufort Scale Gentle breeze Moderate breeze
Sea State Slight Moderate

Water Levels and Tides

Water Level Start Finish
Height (m) 0.50m 0.47m
Time (hh:mm) 07:20 09:30
Tidal influence Yes
Tidal Range Time Height
High 16:45 0.760
Low 10:32 0.270

Observation Documents

Link Date File name Description
22-01-2010 07:20 Photopoint GP.1
22-01-2010 07:20 Photopoint GP.2
22-01-2010 07:20 Photopoint GP.3
22-01-2010 07:20 Photopoint GP.4
22-01-2010 07:20 Photopoint GP.5
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