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GMC Gellibrand River Estuary Mouth Observation Site

1 January 2010

Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #2983
Date and Time Friday 1st January 2010 08:15am
Approved Approved

Notes

1. Slow outflow, discharge only around mouth
2.Entrance shallow with channel reduced upstream of rocks
3.Steep front on beach with longshore drift bringing more sand into channel. Waves in all directions at mouth.Occassional wave entering channel - movement up-stream evident into estuary
4. 1. Dead fish (photo) east side of estuary.
5.Rotting vegetation on edge of estuary s-side, also green algal growth under water in line along edge
6.Many small fish active near sea grass and shallow area (s/e side estuary)
4.sand build up becomming visiable below recent rock fall
5.Many fish carcase's being left in water near seagrass area by fishermen

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
Beaufort Scale Moderate breeze Moderate breeze
Sea State Moderate Slight

Water Levels and Tides

Water Level Start Finish
Height (m) 0.40m 0.38m
Time (hh:mm) 08:15 09:45
Tidal influence Yes
Tidal Range Time Height
High 02:06 1.200
Low 18:15 0.160

Observation Documents

Link Date File name Description
01-01-2010 08:15 Photopoint GP.1
01-01-2010 08:15 Photopoint GP.2
01-01-2010 08:15 Photopoint GP.3
01-01-2010 08:15 Photopoint GP.4
01-01-2010 08:15 Photopoint GP.5
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