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Old 07-03-2007, 19:46   #1
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So I Was Just Wondering . . .

. . . the other day about the water displaced by the typical cruising boat. Say it's five to twenty or so tons of water. Whatever the amount, how does it compare to all of the water in the harbor, or the bay, or the Gulf, or the Med, or . . . well, you get the idea. One little boat displaces lots of 100 gallon acquariums (acquaria?) full of water, but, really, it's a tiny thimble-full compared with all of the water on the planet.

So, to help illustrate the concept of relative size, I submit, for the amusement of the readers of this forum, the following images. If nothing else, it'll pop your balloon if you're feeling WAAAAAY too big for your britches.

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Old 07-03-2007, 21:10   #2
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I don't even think it could be measured or calculated, as it is so minute to the amount of water your refering to. But if it could be calculated, I am not smart enough to understand the formula.
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Old 07-03-2007, 22:43   #3
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If ya took all the boats in the world out of the water for a day,you might find global water levels are actually droping and not rising.Just a thought.Mudnut.
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Old 08-03-2007, 00:29   #4
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The world’s oceans cover 71 percent of the earth's surface, or about 361 million sq km (140 million sq mi). Its average depth is 5,000 m (16,000 ft), and its total volume is about 1,347,000,000 cu km (322,300,000 cu mi). The oceans contain roughly 97% of the Earth's available water supply.

If mined, all the gold suspended in the world's oceans and seas would give each person on earth 9 pounds. Leave your boat in, take the gold out.
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Old 08-03-2007, 10:44   #5
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Fascinating, Gord! Really!

So, let's see . . . $650/ounce at the moment X 16 ounces X 9 pounds = $93,600 US. Of course, if it were possible to extract the gold, the price would collapse. C'est la vie . . .

I find your water stats fascinating, Gord. Combined with the fact that the human body is more than 50% water (babies more, adults less; men more, women less; lean people more, fat people less), and averages about 72% for men, and 68% for women, one wonders why everyone isn't a sailor!

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