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Old 04-20-10, 02:53 AM   #12
msxyz
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Quote:
Originally Posted by Pablo View Post
Hi!
For a U-boat, I think the application would be to measure water temperature in order to better estimate the density of the water, which the U-boat must take into account when trying to maintain a specified depth in the water.

BTW, there is a North Atlantic thermocline that is associated with the Gulf Stream (see http://cdiac.ornl.gov/oceans/glodap/...haline.web.pdf) that exists within the U-boat operational envelope, but it does not appear that U-boats took any conscious advantage of it.

Pablo
We have a winner here

Ocean temeprature was probed regulary to determine its density.

There is some evidence, from the stories told by uboot sailors, that they knew that in certain regions going deep would render the active sonars inneffective. This observation might have stemmed from personal experience. Ie a sub would dive very deep to avoid depth charing and notice that the escorts started dropping bombs in the wrong place or pinging in circles like they lost their contact.
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