[Paddlewise] cold water immersion

   You don't need to be on the ocean to experience cold water immersion.
The local trout stream here is deep and cold enough to experiment, and with
a mask, snorkle and fins, one can view the fish while testing your body's
reaction to low water temperature. Done on a sunny day in July or August
while wearing a bathing suit, it's an interesting adventure. Curiously,
you may not feel the cold water shock until you back come out.
   My experience has always been prolonged uncontrolled shivering for quite
a while after exiting the river, but not while emersed. Ocean temperatures
I think would be colder than the river, so would expect an ocean dunking
to be even more stressful. I also would not try the river swim in winter
without some thermal protection.

BRC
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