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  4. 15-04-2012
Estuary event details
Estuary Barham River Estuary
Region Corangamite CMA
Event type Estuary Entrance Opening
Date and time 15 April 2012 10:30am
Description River Mouth closurers:
On the 11/03/2012 the river mouth closed and the estuary water level was 1.02mAHD. The water level rose to 1.46mAHD by the 15/03/2012. The river mouth opened naturally and the water level fell to 0.70mAHD on 16/03/2012.
Subsquently there followed a period of sand build up around and inside the river mouth; especially the period around 27/03/2012.
On the 05/04/2012 the river mouth is just open and the estuary water level is 1.16mAHD.
The river mouth is closed with a minimum berm height for closure on the 06/04/2012 with a water level of 1.21mAHD.
Overnight strong Westerlies with waves coming over the berm raised the height of the berm and the water level to 1.37mAHD on the 06/04/2012. The river mouth remained closed. The water height rose to 1.75mAHD by 10/04/2012.
On the !3/04/2012 at 13.00 the water level is 1.885mAHD. A channel had been dug to artificially open the river mouth. The channel was subsquently artificially blocked.
14/04/2012 at 11.00 the river mouth is closed and the water level is 1.90mAHD.
15/04/2012 at 10.30 the river mouth has a natural opening. The water level by 14.30 is 0.82mAHD.
River mouth opening: 13.00 on 13/04/2012 photo of channel to artificially open river mouth. Channel subsquently blocked off. The berm had almost minimum clearance height for closure. Low high tides and small swell meant the river mouth opened naturally by the 15/04/2012.
13.00 on 13/04/2012 photo of channel to artificially open river mouth. Channel subsquently blocked off. The berm had almost minimum clearance height for closure. Low high tides and small swell meant the river mouth opened naturally by the 15/04/2012.
13.00 on 13/04/2012 photo of channel to artificially open river mouth. Channel subsquently blocked off. The berm had almost minimum clearance height for closure. Low high tides and small swell meant the river mouth opened naturally by the 15/04/2012.
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