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GMC Gellibrand River Estuary Mouth Observation Site

16 October 2010

Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #4584
Date and Time Saturday 16th October 2010 08:55am
Approved Approved

Notes

1.Strong outflow, waves in all directions at mouth, foam & waves up to base of dunes. East end of beach has been scoured out -sheer sand cliffs at least 3m high.
Waves entering estuary - up to 30cm impacting on east side
2. Water level has risen due to recent heavy rain. considerable turbidity (150 at G2)
3. Recent storms have re shaped the formation of the dunes. Higher in some areas, also much covered vegetation
4.large increase of sand east of channel between rocks & tunnel
5. Water level of channel is higher directly upstream of rocks
6.Nine dead & dying Shearwaters. 5 around mouth
+ 4 more further to east along beach
7.Senecio elegans in flower,occuring in new areas along tracks and rock face west of the channel.
Serious trampling is occuring in the dunes because the tracks no longer exist. This will increase spread of Senecio and Euphorbia as well as destroying important indigenous vegetation
8.Many fox prints

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
Beaufort Scale High wind, moderate gale, near gale
Sea State Rough

Water Levels and Tides

Water Level Start Finish
Height (m) 0.93m 0.80m
Time (hh:mm) 08:55 10:40
Tidal influence Yes
Tidal Range Time Height
High 04:22 0.820
Low 09:37 0.680

Observation Documents

Link Date File name Description
16-10-2010 08:55 Photopoint GP.1
16-10-2010 08:55 Photopoint GP.2
16-10-2010 08:55 Photopoint GP.3
16-10-2010 08:55 Photopoint GP.4
16-10-2010 08:55 Photopoint GP.5
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