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GMC Gellibrand River Estuary Mouth Observation Site

30 May 2014

Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #8898
Date and Time Friday 30th May 2014 10:30am
Approved Approved

Notes

  • Waves entering channel across a wide area
  • Waves in all directions at mouth-strong longshore drift across mouth & into channel upstream rocks
  • Dark silt in swash line (also many Squid carapaces) along ocean beach & around mouth
  • Last hi tide well up on beach & in estuary
  • Sand highest near mouth but several depressed channels running back to the sea have occurred
  • Longshore drift in both directions at east end of beach
  • By 12:15 green water had moved up channel to near tunnel entrance
  • Wide fluctuations on AHD board noted over 5 min. period

Mouth Observation

Mouth state Open
Previous
Flow Present? Yes
Previous
Flow Direction In
Previous
Above Sea Above Estuary
Berm Height (m)
Berm Length (m)

Physical Condition

Current Mode
Wind Direction North-East
Beaufort Scale Light Breeze
Sea State Moderate

Water Levels and Tides

Water Level Start Finish
Height (m) 0.79m
Time (hh:mm) 10:30 12:50
Tidal influence Yes
Tidal Range Time Height
High 13:30 1.240
Low 06:07 0.320

Observation Documents

Link Date File name Description
30-05-2014 10:30 Photopoint Go1_3
30-05-2014 10:30 Photopoint Gp1_1
30-05-2014 10:30 Photopoint Gp1_2
30-05-2014 10:30 Photopoint Gp1_4
30-05-2014 10:30 Photopoint Gp1_5
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