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GMC Gellibrand River Estuary Mouth Observation Site

19 October 2018

Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #12453
Date and Time Friday 19th October 2018 11:50am
Approved Approved

Notes

Strongly flowing dark discharge around entrance & travelling south with some moving east along foreshore.

Beach is undulating with waves going further in low depressions (running north south), large amount of sand in back wash from these areas. Strong longshore drift across mouth.

Heavy local rainfall combined with higher falls in catchment (41 ml. recorded @ G6 -total since 15-10-2018) have greatly increased flow with river flushing strongly. Depth profile showed similar readings from top to bottom of water column at G5 & G4

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
Beaufort Scale Moderate breeze
Sea State Moderate

Water Levels and Tides

Water Level Start Finish
Height (m) 0.80m 0.81m
Time (hh:mm) 11:50 13:10
Tidal influence Yes
Tidal Range Time Height
High 11:57 0.790
Low 08:52 0.500

Observation Documents

Link Date File name Description
20-10-2018 15:15 Gp1_20181019_1_212_031.JPG
20-10-2018 15:15 Gp1_20181019_2_252_032.JPG
20-10-2018 15:15 Gp1_20181019_3_292_033.JPG
20-10-2018 15:15 Gp1_20181019_4_332_034.JPG
20-10-2018 15:15 Gp1_20181019_5_372_035.JPG
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