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  5. 05-11-2010

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GMC Gellibrand River Estuary Mouth Observation Site

5 November 2010

Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #4647
Date and Time Friday 5th November 2010 09:55am
Approved Approved

Notes

1. Strong dark discharge around mouth and along foreshore, also straight out to sea for a considerable distance
2.Longshore drift bringing more sand back to entrance
3.Steep side to channel upstream of rocks (1m.) possibly caused by strong flow from recent heavy rain
4. Increase of sand on east side of channel opposite tunnel
5.Seagrass in estuary greatly reduced some areas covered by sand from recent re-configuration of east side
6. Huge increase of Senecio elegans
7.Dark sand and turbidity deposits on ocean beach
8. Hooded plover prints on ocean beach (these were crossed by fox prints)
8.Shearwaters 70 found dead on beach. (Parks reported 74 on Gibsons beach & and fishermen reported many more on beaches between Princetown & Moonlight Head

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 North-East
Beaufort Scale Moderate breeze
Sea State Moderate

Water Levels and Tides

Water Level Start Finish
Height (m) 0.24m 0.24m
Time (hh:mm) 09:55 12:10
Tidal influence Yes
Tidal Range Time Height
High 11:42 0.590
Low 17:44 0.590

Observation Documents

Link Date File name Description
05-11-2010 09:55 Photopoint
05-11-2010 09:55 Photopoint GP.3
05-11-2010 09:55 Photopoint GP.4
05-11-2010 09:55 Photopoint GP.5
05-11-2010 09:55 Photopoint GP.6
05-11-2010 09:55 Photopoint GP2.
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