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Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #11362
Date and Time Friday 21st July 2017 11:26am
Approved Approved

Notes

Dark discharge around mouth,slightly along beach face to east, but more going to west in front of cliff face. Waves from WSW swell & longshore drift entering over top of strong outflow. Large amount of sediment/sand in discharge (turbidity 70 NTU's upstream) Water in estuary opaque & pale brown. Large amount of debris washed up on south side of estuary

Beach front has changed- high sand area mid beach has been eroded by wave action. Mid beach down to entrance are now lower & sand projection out to sea formed not far from east end

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-West
Beaufort Scale Moderate breeze
Sea State Moderate

Water Levels and Tides

Water Level Start Finish
Height (m) 0.86m 0.85m
Time (hh:mm) 11:26 12:55
Tidal influence Yes
Tidal Range Time Height
High 12:29 1.130
Low 02:18 0.480

Observation Documents

Link Date File name Description
21-07-2017 12:25 Gp1_20170721_1_212_1686.JPG gp1_1
21-07-2017 12:25 Gp1_20170721_2_252_1687.JPG gp1_1
21-07-2017 12:25 Gp1_20170721_3_292_1688.JPG gp1_3
21-07-2017 12:25 Gp1_20170721_4_3332_1689.JPG gp1_4
21-07-2017 12:25 Gp1_20170721_5_372_1690.JPG gp1_5