Posted by Daniel H on January 21, 2016, 12:42 pm, in reply to "Re: mangrove swamp drainage"
Edited by board administrator January 21, 2016, 1:33 pm
When the Lagoon has drained it closes up by the ocean depositing sand,
a natural process.
There is no human intervention in the creation of a full Lagoon but there
is human intervention to get it to drain earlier than it would naturally.
Normally they build a road across and people assume that it is the road which is
stopping the Lagoon from draining. This year there is no road and we have a similar
situation, so we can eliminate the road as the issue. It is the naturally deposited
sand which is the issue.
If they were to build a permanent road it would need a culvert.
A culvert would be human intervention on a larger scale but I don't think
it would change things, it would still be closed by the sand from the ocean
and still require work to open it.
Edit - a bit more
One solution is... the beach road and the road by the Lagoon by the tennis courts
should be raised. This may cause a reduction of the water reaching the little bit of
Mangrove beach side of the beach road if the water there is by flow vs the level of the
ground water. They raised the road to Boca to prevent flooding by the Lagoon, I
don't know if there are culverts under that road or if the Lagoon North of that road
still exist by the level of the ground water. Anyway raising the roads would
give more time between openings.
I heard a story that back 20 years or so the locals were filling the Lagoon big time
and that is how it got to where it is today. It used to be that the road we come in on was
part of the Lagoon and the main road in was Concha Molida. Pepe stopped them from doing that
leading to the "natural" viewing area tourist attraction we have today.
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