Thread: constant weight in lake
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Old December 3rd, 2001
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equivalent oxygen depth?
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I was thinking a lot about this problem. I know that the score system is based in the world records (herbert), but I dont know the altitude of the lake where Herbert made his fresh water record. Iīm sure that the altitude afects the performance. And for the people (like me) who trains in high altitude lakes is important to know in what level we are. When we are using nitrox we converted our real depth to equivalent air depth to use the air tables. Why donīt we use the barometric pressure and the oxygen concentration to make a diferent score. for example:

The lake where I train is at 2600 meters over sea level, the barometric pressure is 560 mmHg and the O2 concentration is: 117,6 mmHg. The O2 concentration at sea level is 159,6 mmHg so the O2 concentration at altitude is 73,6% of Sea Level.
Can we use this value to calculate the score?
Any suggestion?

Frank Pernett
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