I decided to look at the great lakes, well actually lake Michigan. I guess the reason why the wave height wasn't included is because there aren't really any waves on lakes so sadly no tsunamis. One thing I did notice was that it was always colder towards the centre than on the outside, I think that's because of the wind coming off the water. The reason why we need these buoys is because they give scientists and geologists vital data about the climate, temperature, atmospheric pressure and wave height in the sea. They can be very useful for giving an early warning to things like Tsunami's as we found out in science class the other day where we saw a pretty big Tsunami off the coast of Haiti. Buoys have very long ropes that are attached to the ocean floor, so if a giant Tsunami does come the will not be ripped out of place. Although these buoys can be very good, for large Tsunami's like the one in Japan they can't be much use. When looking at the map I noticed that there where more Buoys around the UK than the grand total of the two in the rest of Europe combined. Then when I took a closer look I realised that almost all of the British buoys where oil riggs.
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