Quote:
Originally Posted by FarmerHaight
If there is indeed a way to concurrently naturalize the shoreline and have the seawall, I am all for it. I am not sure I support tearing down the seawall, as the linked video argues, but I think it's ironic that humans build infrastructure to get closer to nature, but we inevitably destroy that same nature in the process 
https://www.youtube.com/watch?v=6HoZJytoHHs |
Not a bad video. But a bit on the dark side, with little offer of solutions.
I saw this same subject discussed on reddit the other day and it linked to a really good video that explained wave destruction and
different solutions to mitigate it. The best suggestion (in this simplified lab example) was to pile netted rocks in the path of the tidal surges, as they are incredibly effective at absorbing the energy and dispersing it.
Parts of the seawall already have something similar to this (I'm thinking specifically in South False Creek, to the east of Granville Island). It works. If this approach was used on the most exposed areas of the seawall, especially Stanley Park facing the inbound tide, we could probably save decades more of studies and tens of millions of temporary patches. And with all of the excavation for development happening, wouldn't it be easy to get hold of various sizes of suitable rock for this use, basically for no cost to the city?
This is a solved problem! I don't get how in all of these years that a long-term solution hasn't been implemented. My thinking is that perhaps the Parks Board are not experienced enough in these matters, or are only looking for band-aid fixes with their (relatively) small budgets, or are only looking to hold the status-quo to assure re-election. Really, this is more of a provincial (or perhaps even federal)-scale problem that needs a proper long-term solution.
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