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Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #11389
Date and Time Tuesday 8th August 2017 10:50am
Approved Approved

Notes

Pale coloured discharge out around mouth but salt water visible entering up to rocks where dark divide occurs. Strong longshore drift across mouth over outflow & incoming sw/wsw swell

Beach very wide - highest at east end but also high at mid beach after which it slopes down to the mouth. Wind & waves have scoured the face of the dunes at east end

Channel has become more curved with large waves from V rough seas turning east at start of the estuary. Waves have impacted on low track

Large areas of flooding upstream G4 with considerable rise in turbidity                G2  17 NTU's pH 6.5    Lt1  15 NTU's  pH 7.0     G6  22  NTU's   pH 7.2

 

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 Strong breeze
Sea State Very Rough

Water Levels and Tides

Water Level Start Finish
Height (m) 0.64m 0.85m
Time (hh:mm) 10:50 12:30
Tidal influence Yes
Tidal Range Time Height
High 13:28 1.200
Low 06:18 0.390

Observation Documents

Link Date File name Description
09-08-2017 17:00 Gp1_20170808_1_212_1801.JPG gp1_1
09-08-2017 17:00 Gp1_20170808_2_252_1802.JPG gp1_2
09-08-2017 17:00 Gp1_20170808_3_292_1803.JPG gp1_3
09-08-2017 17:00 Gp1_20170808_4_332_1804.JPG gp1_4
09-08-2017 17:00 Gp1_20170808_5_372_1805.JPG gp1_5