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Did you know? *** SAND ***

 
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Andrasta
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Joined: 14 Sep 2012
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Location: Franconia, Germany

PostPosted: Wed Jul 10, 2013 1:13 pm    Post subject: Did you know? *** SAND *** Reply with quote

Did you know?

You won't believe it: sand is getting rare!
And the saying "selling sand to an Arab" is not a joke anymore: Dubai buys incredible amounts of sand from all over the world for it's artificial islands and construction work in general.

Yes, they do have sand, but Sahara sand cannot be used for island building and concrete, it's surface is too smooth for those purposes. Sand from beaches, sea floor and rivers is the right one. Same in other countries, like China, and in any place where humans construct with cement - with fatal consequences:

Prices for sand are increasing; within few decades a giant market, stock exchange trading and a real mafia evolved around the worldwide trade with sand. Lots of governments are involved, on all continents. Poorly paid workers are literally diving for sand (yes, under water!) the whole day, filling it into plastic bags. Special ships suck away sand, destroying and killing all the lifeforms, and when they spit their load to the beaches, they destroy again. Flora and fauna are heavily disturbed in large radius. No more fish - and tourists: millions of people are loosing their basic food and income resource.

A large number of beaches have been destroyed or removed meanwhile, causing various problems and threats for coast dwellers. Coasts lose land, and the removal of sand from the sea bottom accelerates this phenomenon more and more, as sand beaches protect the land from the oceans' erosive forces. Many people lost their houses, and many many more will be affected in (not far away) future.

Dozens of islands had to be evacuated already, and vanished completely, e.g. in Indonesia. Independently from climate change! People moved to the bigger islands, where they build and build to have the housing needed for the evacuates. And, of course, use even more sand for the constructions: a vicious circle.

Now, where does the beach and sea bottom sand come from? It's origin is in every contintent's mountains: rocks are the source. They are transported by flowing water, being broken up until they become sand during many many years, until they reach the oceans. That way our land is being nourished and conserved.

But: nowadays more than 90% of natural water flow all over the world is blocked by hydro stations, dams, irrigation systems, sewers, channels and barrages. Which means: no fresh supply of sand!
Mankind pulls the rug out from under itself. The clock is ticking. The hourglass is getting empty.
Need I say more?

Save our sand!

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Last edited by Andrasta on Thu Nov 07, 2013 11:19 am; edited 1 time in total
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GateTree
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Joined: 04 Aug 2010
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Location: North Alabama

PostPosted: Wed Jul 10, 2013 11:18 pm    Post subject: Reply with quote

Interesting to say the least! Where did you get your info (so I can read it too!)
smile

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Andrasta
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Joined: 14 Sep 2012
Posts: 655
Location: Franconia, Germany

PostPosted: Thu Jul 11, 2013 7:23 am    Post subject: Reply with quote

Hi Gatetree, got the info of German newspapers and a documentary film (French production) I had seen some months ago.

http://www.arte.tv/guide/de/046598-000/sand-die-neue-umweltzeitbombe

I t is not a really new issue, and all continents are involved. What is fairly new is the global viewing of the phenomena and the consideration of all the complex worldwide correlations.
I am sure you can find English speaking sources if you look for them, I've tried, here some examples you can start from, I guess you can do better in your motherlanguage:

http://d1180280.u211.pipeten.co.uk/wp-content/uploads/MarineSand.pdf

http://coastalcare.org/2010/12/illegal-sea-sand-dredging-leaves-behind-environmental-mess-china/

http://www.dtinews.vn/en/news/017003/19163/sand-exploitation-found-harming-island-s-ecology.html

http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=5956120

http://infochangeindia.org/environment/features/losing-the-sand-beneath-their-feet.html

http://www.qhatlas.com.au/sandmining

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GateTree
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PostPosted: Sat Jul 13, 2013 2:39 am    Post subject: Reply with quote

Thank you so much for your research! I was not aware of this issue until you made these wonderful "illustrations"! smart:
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