In substantial flooding disaster crisis such as the Floods in Bangladesh, South Western China, the capital region of India or the massive flooding in New Orleans after Hurricane Katrina; we see polluted waters with human waste, decaying dead bodies and chemical pollution. It is impossible to clean all the water with normal filtration techniques because the water comes in so fast; “Floods in.” Many people have floated ideas of how to clean the water such as giant membranes on the edges of cities, boiling the water or use of private filters at each home. The problem with these items although not bad ideas are that additional challenges exist beyond the capabilities. For instance most of the pollution happens with the city limit and therefore a giant membrane as the water comes into the city will not work. Boiling water is a must, but with power out and everything flooded it is hard to even find a piece of wood to burn to use to heat the water. You could use a magnifying glass system to cook the water, but boiling is not as easy as it sounds. Private filters are not a bad idea (these are available), but remember often flood waters come so fast that everything you own is a total loss, you are on your roof or holding onto a tree and that is all you got left until the water resides or someone in a boat or helicopter comes to pick you up. I propose using Computerized UUV Underwater Unmanned Vehicles, which are robotic and completely self-contained. We send in UUVs, which have floats on them and they cruise around in the water and clean it as they go. Since they are closer to the surface they will clean then upper water levels where humans who are still alive will be. They will have rotating UV Lights shining vertically and steady horizontal lights shining out as it slowly moves around the submerged and semi submerged structures. This technique will not work when the water is flowing fast because the current would take you UUV with it. But after the initial flooding flow has slowed and you have standing water, it will work fine. It takes a little while for the water to get polluted, flowing water is not as dangerous as stagnant water which slowly attaches itself to the pollution. Think on this. "Lance Winslow" - Online Think Tank forum board. If you have innovative thoughts and unique perspectives, come think with Lance; www.WorldThinkTank.net/wttbbs/
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