Monday, July 28, 2014

Home Front: Sea Levels

originally posted as  @Fenstardeluxe southbank-flood1
I live "by the Bay", the beach is a 2 minute drive from my house. When I dig in my garden, my soil is predominantly sandy. When it rains, I often loose internet (though that might be more to do with the wiring that Alexander Bell may have let his less than competent cousin install, rather than out location's fault).

originally posted as @Fenstardeluxe southbank-flood2
All of this plays a part in my thinking, especially considering prepping, when I consider my pathways too and from home in my day to day life. This is accentuated when we get exciting weather  as we did on June 24, when high winds and low pressure pushed the Yarra River back in from the Bay, causing it to burst its banks.

This was only a minor inconvenience, nothing like the flooding seen by the Hurricane Katrina storm surge,  or the far more ruinous flooding that frequently occurs in places like Bangladesh
but still gave me pause to think.

@MEL_J_84 southbank-flood3
There is a lot of talk about the validity of the human climate change arguments, and its affect on both sea levels and the propagation of that climate change. I'm going to come out and say it, I'm satisfied with the assessments I've read thus far. I'm convinced.

What it will all mean in practical effects, I'm not yet certain of, one way or another, but I think we will start to see a lot more ruinous weather. Perhaps not Split Second bad, for a while, but not good.

There are even some good references out there using GoogleMaps topographical information to offer predictions as to how sea-level rises will affect low laying areas. Check it out, and check out where YOU live in relation to this. Melbourne is renowned for being built beside a swamp and having several water ways diverted through its CBD, leading to some spectacular historical images. It's quite a sobering thought to wonder what might be coming, in just a few short years.

My recent holiday to Fiji reminded me of this even further, with that Pacific islands sand beaches, like so many others I have visited over the years. So many low-laying islands that are at risk of simply being inundated.

This island I visited would have only been 4m above sea-level at its peak, and being an all-sand and coral outcropping, would face erosion threats even before succumbing to sea levels reaching that height. 

With news of the glacial ice-calving at the Poles and other alarming news, it bears dwelling on. What will happen when the water rise? Where will you be, what will you do? Will it be a gentle swell, or a surge that cuts you off from home?

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