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It's frequent to run into beautiful specimens of local fauna; this terrestrial turtle was looking for food in the calm waters of the cenote.
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Cenote waters are generally warm near the surface while temperature drops rapidly in the internal tunnels.
Tipical water temperature during a dive is about 15 degrees centigrades; this requires use of a thick suit (5 mm at least) and a cap to avoid hipotermia or otitis.
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A scuba dive in a Cenote is never a long dive even in those shallow
waters because of the special safety measures (the same of cavern diving)
taken concerning air supply.
A dive is stopped when air supply reaches about half of the tank
capacity.
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Copyright 1999 Luca Ridarelli
email : luca@ridarelli.net